Gitnux/Report 2026

Professional Employer Organization Industry Statistics

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Professional Employer Organization Industry Statistics
How this report is researched
01Editorial Scope

Gitnux editors write the brief first: the topic, the inclusion rules, and the frame for what belongs.

02Source Research

Agents search the published record and log every extracted figure back to the passage it came from.

Read our full methodology →

Search agents attach provenance to every extracted figure.

Next review: within 39 days

01 Industry overview

The professional employer organization industry at a glance

The U.S. PEO industry generated $446 billion in revenue in 2025, supporting 5.4 million worksite employees across more than 233,000 client businesses and continuing to expand through outsourced HR demand.

$446B[12]
U.S. industry revenue, 2025
5.4M[12]
U.S. worksite employees, 2025
10.6%[54]
Global market CAGR, 2026–2035
45.0%[54]
North America revenue share, 2025
Market size
NAPEO estimates that U.S. PEOs generated $446 billion in total revenue in 2025, while the global PEO market was valued at $67.7 billion on a market-research basis in 2025. The two figures use different scopes and methodologies: NAPEO measures the U.S. industry's total revenue footprint, while Grand View Research estimates global PEO market revenue.[12][54]
Forecast & CAGR
Grand View Research projects the global market to increase from $74.8 billion in 2026 to $186.1 billion in 2035, representing a 10.6% CAGR from 2026 to 2035. Asia-Pacific is forecast to be the fastest-growing region, with a 13.2% CAGR over the period.[54]
Market share & regions
North America accounted for approximately 45.0% of global PEO revenue in 2025, making it the largest regional market. The United States held the largest country share, while Asia-Pacific was identified as the fastest-growing region.[54]
Segmentation
Payroll and tax administration was the largest service segment, with about 30.0% of global revenue in 2025, while full-service PEO arrangements represented approximately 68.0%. Small and medium-sized enterprises accounted for about 58.0% of revenue, and IT and telecommunications represented roughly 22.0% by industry vertical.[54]
Key players & concentration
The U.S. market remains fragmented, with 502 PEOs serving more than 233,000 businesses as of September 2026. Major providers identified in the market include ADP, Insperity, TriNet, Paychex, Justworks, Vensure Employer Solutions, Rippling, CoAdvantage and G&A Partners; the available industry sources do not provide a reliable combined market-share figure for these companies.[12][54]
Pricing
PEO administrative fees commonly range from 2% to 12% of total payroll, or approximately $40 to $160 per employee per month, according to ADP’s 2026 pricing guidance. Benefits, workers’ compensation, payroll taxes and add-on services are generally priced separately and vary by plan design, location, workforce risk and claims history.[28]
Trends, drivers & challenges
Demand is being driven by small and midsize businesses outsourcing payroll, benefits, compliance and workforce administration; NAPEO reports that PEO-supported businesses grow twice as fast as comparable non-PEO businesses, have 12% lower employee turnover and are 50% less likely to fail. The main operating challenges include wage pressure, workers’ compensation costs, regulatory complexity and the need to invest in technology and service capacity.[12][11][1]
Consumer behavior & competition
PEO adoption reached 14% among U.S. employers with 20 to 499 employees in 2026, indicating substantial remaining penetration potential among small and midsize businesses. Competition spans national providers, regional specialists and technology-led platforms, with buyers comparing benefits access, compliance support, service responsiveness, technology and risk-adjusted pricing.[12][28]
M&A
PEO consolidation remained active: more than 30 PEO acquisitions occurred in each year from 2020 through 2024, according to NAPEO’s industry review. In 2025, approximately 80% of PEO acquisitions involved targets with less than $20 million in revenue, reflecting continued interest in smaller regional and specialist providers.[11]
Regulation
The IRS Certified PEO program operates under Internal Revenue Code section 7705 and establishes certification requirements for qualifying PEOs. Certified PEOs must meet financial, reporting, bonding and verification requirements, including maintaining a surety bond for federal employment-tax obligations.[57]
Latest news
In September 2026, NAPEO reported that more than 500 U.S. PEOs supported 5.4 million worksite employees at over 233,000 client businesses. The association also reported $386 billion in 2025 wages paid through PEO-supported employees and industry growth at a 7.2% compound annual rate since 2008.[12]
report visual · Comparison

Share of all PEO worksite employees by PEO size group (United States)

5 largest PEOs holds the largest share at 37%.

5 largest PEOs37%
Remaining 472 PEOs36%
Next 25 largest PEOs27%
source-verifiednapeo.org

02 Ranking

Top 10 Companies in the Professional Employer Organization Industry

The leading companies in the professional employer organization industry, ranked on market impact, performance, momentum, innovation and brand popularity.

Updated November 10, 2026 · Next review December 10, 2026

Verdict

ADP leads Gitnux's 2026 professional employer organization ranking with an Overall score of 9.2, with $7.1 billion in fiscal 2026 PEO Services revenue. Paychex is the runner-up at 8.9, with $1.34 billion in fiscal 2025 PEO and Insurance Solutions revenue.

Ranked by Overall score · How we score ↓

Editor's top 3 picks

Where to start, by need.

  1. #1 Overall · Leader in PEO client administration

    ADP

    US

    Ranked #1 · 9.2 · PEO client administration

    Why we picked it: It reports $7.1B in fiscal 2026 PEO Services revenue for PEO and HR outsourcing in the United States.

  2. #2 overall

    Paychex

    US

    Ranked #2 · 8.9 · PEO client administration

    Why we picked it: It reports $1.34B in fiscal 2025 PEO and Insurance Solutions revenue for PEO, payroll, and HR outsourcing.

  3. Leader in technology-enabled payroll processing

    Justworks

    US

    Ranked #4 · 8.6 · Technology-enabled payroll processing

    Why we picked it: It operates a technology-enabled PEO model and processed $31B+ in payroll for customers in 2025.

Pick 1 is the #1 company overall. Pick 2 is the highest-ranked company in the top 5 that adds a new segment; no further segment places in the top 5, so pick 3 follows rank.

Full ranking

Sort by
Top 10 companies in the professional employer organization industry, 2026 – Gitnux ranking
#CompanyOverall ↓Company snapshot
1

ADP

PEO client administration · US

9.2
2

Paychex

PEO client administration · US

8.9
3

Insperity

PEO client administration · US

8.9
4

Justworks

Technology-enabled payroll processing · US

8.6
5

PrestigePEO

PEO client administration · US

8.4
6

Sequoia

PEO and HR services, United States · US

8.2
7

FrankCrum

PEO and staffing services, United States · US

8.1
8

Extensiv

HR software and HCM platform, United States · US

8.1
9

Group Management Services

Regional and national PEO services · US

8.0
10

ExtensisHR

PEO services, United States · US

8.0

How we score

  • Impact (30%): scale and weight in the market (revenue, market share, employees, market position).

Popularity (brand search demand, 15%) counts toward Overall but is not published as a column. Overall leaves out what is not known.

Scale Scores are shown on a 7–10 scale with one decimal; bars start at 7.0.

Cadence Recalculated when new figures are published; next review December 10, 2026.

Independence. Rankings are editorially independent. Scores, ranks, picks and the verdict follow the method above; no company can pay to change them.

Cite this ranking

APA

Samuel Norberg. (2026, November 10). Top 10 companies in the professional employer organization industry. In Professional Employer Organization Industry Statistics. Gitnux. https://gitnux.org/professional-employer-organization-industry-statistics/#top-companies

04 Statistics

Technology & Innovation

This section shows AI and cloud modernization moving from development into planned product launches, including TriNet’s 2025 assistant announcement and cloud platform work reported for 2024.

AI in the professional employer organization industry

  • 1 set of AI-based technologies had been developed by Insperity in 2025 to assist service personnel with client needs.[1]
  • 1 AI-powered TriNet Assistant suite was announced in 2025 for planned 2026 launch to provide HR support to PEO clients.[1]
  • 1 AI HR tool was being developed by TriNet in 2025 to answer customer questions across a broad range of HR topics.[1]

Automation in the professional employer organization industry

  • 2 separate leased hosting facilities were operated by Insperity in 2025 to support its technology infrastructure.[1]
  • 599 trained business-process associates were employed on average by Insperity in 2025 for technology-supported service operations.[1]
  • 1 next-generation cloud-based platform was under development at TriNet in 2024 to expand customer self-service capabilities and improve operating efficiency.[1]
  • 612 business-process associates were employed on average by Insperity in 2025 in operations supported by its information-technology systems.[1]

Digital Transformation in the professional and business services sector (sector benchmark)

  • 35.51% of EU professional, scientific and technical enterprises using AI applied it to business-administration or management processes in 2025.[2]
  • 55% of business-services CEOs identified keeping pace with technology and AI transformation as their greatest concern in PwC’s 2025 global CEO survey.[3]
  • 40.4% of EU enterprises in professional, scientific and technical activities used at least one AI technology in 2025.[2]
  • 51% of U.S. technology executives reported no increase in performance or profitability from digital-transformation investments during the previous two years.[4]

Technology Adoption in the professional and business services sector (sector benchmark)

  • 22.32% of EU professional, scientific and technical enterprises using AI applied it to research and development or innovation activities in 2025.[2]
  • 30.87% of EU professional, scientific and technical enterprises using AI applied it to accounting, controlling or finance management in 2025.[2]
  • 27.33% of EU professional, scientific and technical enterprises using AI applied it to production processes in 2025.[2]
  • 18.55% of EU professional, scientific and technical enterprises using AI applied it to ICT security in 2025.[2]

Cloud Computing in the professional and business services sector (sector benchmark)

  • 91.2% of Finnish professional, scientific and technical enterprises used cloud computing services in 2023.[5]
  • 77.7% of Dutch professional, scientific and technical enterprises used cloud computing services in 2023.[5]
  • 90.7% of Australian professional, scientific and technical enterprises used cloud computing services in 2022.[5]
  • 80.4% of Danish professional, scientific and technical enterprises used cloud computing services in 2023.[5]

Big Data in the professional and business services sector (sector benchmark)

  • 46.8% of Swedish professional, scientific and technical enterprises conducted big-data analysis in 2023.[5]
  • 57.5% of Dutch professional, scientific and technical enterprises conducted big-data analysis in 2023.[5]
  • 45.4% of Finnish professional, scientific and technical enterprises conducted big-data analysis in 2023.[5]
  • 47.5% of German professional, scientific and technical enterprises conducted big-data analysis in 2023.[5]

IoT in the professional and business services sector (sector benchmark)

  • 35.6% of Swedish professional, scientific and technical enterprises used Internet-of-Things technologies in 2021.[5]
  • 52.0% of South Korean professional, scientific and technical enterprises used Internet-of-Things technologies in 2022.[5]
  • 42.6% of Austrian professional, scientific and technical enterprises used Internet-of-Things technologies in 2021.[5]
  • 36.3% of Irish professional, scientific and technical enterprises used Internet-of-Things technologies in 2021.[5]

Innovation in the professional employer organization industry

  • 1 AI-powered customer-service initiative was identified by TriNet in 2025 as a major 2026 product launch.[1]
  • 1 HR Scale offering incorporating Workday HCM technology was used by Insperity in 2025 alongside its Insperity Premier platform.[1]
  • 1 next-generation cloud platform combining PEO and HRIS capabilities was being developed by TriNet in 2024 to modernize the customer experience.[1]

05 Statistics

Data & Analytics

This section quantifies analytics coverage and gaps, with 54% offering standard HR analytics in 2023 and 32% offering predictive analytics and benchmark insights.

Business intelligence in the professional employer organization industry

  • 54% of surveyed ASOs, PEOs and payroll service providers offered standard HR analytics in 2023.[6]
  • 32% of surveyed ASOs, PEOs and payroll service providers offered predictive analytics and benchmark insights in 2023.[6]
  • More than 19,000 U.S. businesses used ADP TotalSource in 2026, whose cloud-based HCM software supports PEO administration and reporting.[1]
  • 80% of surveyed ASOs, PEOs and payroll service providers were not offering new HCM solutions available from their technology vendors in 2023, including business-intelligence-related capabilities.[6]
  • More than 770,000 worksite employees were served by ADP TotalSource across all 50 U.S. states in 2026 through its cloud-based HCM platform.[1]
  • 30% of surveyed service-bureau stakeholders were very confident in their primary HCM technology partner’s ability to protect sensitive employee and client data in 2023.[6]

Data analytics in the professional employer organization industry

  • 30% of surveyed service-bureau stakeholders were very confident that their primary HCM technology partner could prevent security breaches and safeguard employee and client data in 2023.[6]
  • 80% of surveyed ASOs, PEOs and payroll service providers were not offering new solutions supplied by their HCM vendors in 2023, limiting client access to newer analytics capabilities.[6]
  • Paychex reported implementing additional AI models in fiscal 2025 to generate deeper insights into client and prospect behavior, preferences and needs.[1]
  • Paychex served approximately 2.5 million HR-outsourcing worksite employees as of May 31, 2025, providing the scale for its PEO and ASO analytics operations.[1]

Data Quality in the professional and business services sector (sector benchmark)

  • 95% of enterprise companies with at least $1 billion in revenue had experienced a data-quality issue directly affecting business outcomes in 2024.[7]
  • 67% of supply management organizations said their data quality was better or significantly better than two years earlier in 2024.[8]
  • 23% of supply management firms spent at least 21% of their time cleaning data in 2024.[8]
  • 50% of organizations identified data-quality issues as the biggest challenge affecting their data-integration projects in 2024.[9]
  • 49% of supply management organizations reported that their data quality was good or excellent in 2024, based on a survey of more than 121 respondents.[8]
  • 87% of enterprise data leaders said traditional rules-based approaches to data quality did not scale to current needs in 2024.[7]

Data Governance in the professional and business services sector (sector benchmark)

  • 18.3% of organizations used a data-governance or catalog solution as part of their governance program in 2024.[10]
  • 33% of North American organizations had a formal data-governance organization in place in 2024.[10]
  • 71% of global organizations reported having a data-governance program in 2024, up from 60% in 2023.[9]
  • 32% of organizations in the 2024 governance study had a formal governance organization in place, while 68% had none.[10]
  • 81% of supply management organizations found their data-governance program useful in 2024.[8]
  • 61% of organizations had a dedicated data-governance function in 2024, according to a survey of more than 121 supply management professionals.[8]

KPIs in the professional employer organization industry

  • 93% of PEOs expected worksite employee counts to grow over the following 12 months in the second quarter of 2025.[11]
  • 91% was TriNet’s insurance cost ratio in 2025, a key operating metric for its PEO business.[1]
  • 72% of PEOs reported an increase in client count in the second quarter of 2025.[11]
  • 79% of PEOs reported higher gross profit in the second quarter of 2025.[11]
  • 310,089 average paid worksite employees were reported by Insperity for full-year 2025.[1]
  • 32% of PEOs reported higher average worksite employees per client in the second quarter of 2025.[11]

06 Statistics

Strategy & Growth

This section ties demand and adoption to measurable footprint scale, including 233,000 client businesses using U.S. PEO services in 2025 and 14% adoption among employers with 20–499 employees.

Growth in the professional employer organization industry

  • 54% of PEOs reported increased client counts in the fourth quarter of 2024.[11]
  • 233,000 client businesses used U.S. PEO services in 2025.[12]
  • 33% of surveyed U.S. businesses reported currently using a PEO in December 2024.[12]
  • 7.2% was the compound annual growth rate of U.S. PEO worksite employment from 2008 through 2025.[12]
  • 14% of U.S. employers with 20 to 499 employees used a PEO in 2025.[12]
  • $446 billion in total revenue was generated by the U.S. PEO industry in 2025.[12]

Differentiation in the professional employer organization industry

  • 46% of surveyed companies with 100 or more employees reported using a PEO in December 2024.[12]
  • 33% of surveyed companies operating for 10 to 19 years reported using a PEO in December 2024.[12]
  • 39% of surveyed decision-makers aged 25 to 34 reported using a PEO in December 2024.[12]
  • 38% of surveyed companies operating for fewer than 10 years reported using a PEO in December 2024.[12]
  • 42% of surveyed companies with 50 to 99 employees reported using a PEO in December 2024.[12]
  • 37% of surveyed decision-makers aged 35 to 54 reported using a PEO in December 2024.[12]

Mergers and acquisitions in the professional employer organization industry

  • 1 PEO acquisition was completed by Engage PEO in 2024 through its merger with SynchronyHR.[13]
  • 1 acquisition added a Colorado-based certified PEO to PrestigePEO's platform in March 2025.[14]
  • 1 PEO acquisition was completed by PrestigePEO in March 2025 through its purchase of Concurrent HRO.[14]
  • 7 acquisitions were completed by Engage PEO during the two years ending with its SynchronyHR transaction in 2024.[13]
  • 1 PEO acquisition was completed by PrestigePEO in 2023 through its purchase of Advantage Personnel Resources.[14]
  • 1 majority-stake transaction created a strategic partnership between Kohlberg & Company and Engage PEO in August 2023.[15]

Strategic partnerships in the professional employer organization industry

  • 1 strategic partnership was announced between Stitch PEO and Flychain in April 2026 for independent healthcare groups.[16]
  • 1 strategic partnership was announced between Opus Connect and BestFit PEO Solutions in June 2024.[17]
  • 1 strategic partnership was announced between PrestigePEO and Signature Bank to combine PEO services with corporate banking savings.[14]
  • 1 strategic partnership was announced between PayPlus Software and PEO Premier Health to provide health plans to PayPlus PEO clients.[11]
  • 1 private-equity strategic partnership was formed when Kohlberg acquired a majority stake in Engage PEO in August 2023.[15]
  • More than 100 years of combined PEO experience were represented by Opus Connect and BestFit PEO Solutions in their 2024 partnership announcement.[17]

07 Statistics

People & Workforce

This section frames workforce outcomes and provider operating staffing, including 5.4 million worksite employees supported by U.S. PEOs in 2026.

Hiring in the professional employer organization industry

  • 93% of PEOs expected their worksite-employee counts to grow in the second quarter of 2025, including 18% forecasting significant increases.[11]
  • 312,377 worksite employees were paid per month by Insperity on average in the fourth quarter of 2025.[1]
  • 5.4 million worksite employees were employed by U.S. PEO clients across more than 233,000 client businesses in 2026.[12]
  • Approximately 3,600 colleagues worked for TriNet across the United States, India and Canada as of December 31, 2024.[1]
  • 233,000 client businesses used professional employer organizations in the United States in 2026.[12]

Employee retention in the professional employer organization industry

  • More than 7 percentage points separated the annual turnover rates of comparable non-PEO businesses and PEO clients in 2024.[18]
  • 57.6% was the annualized employee-turnover rate among comparable non-PEO businesses in the 2024 analysis.[18]
  • 50% less likely to go out of business were PEO clients than comparable non-clients in the updated NAPEO analysis.[19]
  • 12% lower was the annual employee-turnover rate for PEO clients than for comparable non-clients in the 2024 analysis.[19]
  • 50.4% was the annualized employee-turnover rate among PEO clients in January 2024.[18]

Remote Work in the professional and business services sector (sector benchmark)

  • 37.21% was the average share of paid workdays performed from home by U.S. professional and business-services employees in January 2025.[20]
  • 62.8% of U.S. professional and business-services employees who could work at home did so during 2024–2025, while 66.0% could work at home.[21]
  • 54% of U.S. professional-services firms reported having at least one paid work-from-home employee in November 2024–January 2025.[22]
  • About 45% of U.S. professional and business-services workers worked remotely during October 2023–September 2024, including hybrid and fully remote work.[23]

Hybrid Work in the professional and business services sector (sector benchmark)

  • 27% of U.S. full-time employees worked in a hybrid arrangement in 2025, compared with 12% fully remote and 61% fully on-site.[24]
  • Across U.S. professional and business services, 38% of full-time employees worked hybrid schedules during January–April 2025.[25]
  • 61% of U.S. employees with remote-capable jobs preferred hybrid work in November 2025, compared with 33% preferring fully remote work.[26]
  • Across U.S. professional and business services, 22% of full-time employees worked fully from home during January–April 2025.[25]
  • Across U.S. professional and business services, 39% of full-time employees worked fully onsite during January–April 2025.[25]

Upskilling in the professional employer organization industry

  • 599 trained business-performance advisors were employed on average by Insperity in 2025.[1]
  • 63% of TriNet’s expenses were compensation-related in 2024, supporting its colleague workforce and development activities.[1]
  • 4 consecutive years Paychex ranked among Training magazine’s top ten training organizations before entering its Training Hall of Fame in 2025.[1]
  • 250 compliance experts supported Paychex’s human-capital-management operations as of May 31, 2026.[1]
  • 612 business-performance advisors were employed on average by Insperity in 2025.[1]

Employee Engagement in the professional and business services sector (sector benchmark)

  • 33% of U.S. employees were engaged at work in 2023, while 16% were actively disengaged.[26]
  • 34% of U.S. employees were engaged at work in 2022, while 16% were actively disengaged.[26]
  • 32% of U.S. employees were engaged at work in 2025, while 17% were actively disengaged.[26]
  • 32% of U.S. employees were engaged at work in 2024, while 17% were actively disengaged.[26]

DEI in the professional employer organization industry

  • 3 companies had achieved Ethisphere’s World’s Most Ethical Companies recognition 17 times by 2025, including Paychex.[1]
  • 90.7 was Peak PEO’s overall B Impact assessment score.[27]

08 Statistics

Customer & Sales

This section reports client outcomes and retention, including 72% of ADP TotalSource clients reporting reduced HR administrative time after adopting the PEO service.

Customer experience in the professional employer organization industry

  • 7 or higher out of 10 was the client satisfaction rating reported by most ADP TotalSource clients in an October 2025 survey.[28]
  • 72% of ADP TotalSource clients surveyed in October 2025 reported reducing HR administrative time after adopting the PEO service.[28]
  • 68 was BBSI’s client Net Promoter Score in 2025, according to company management, reflecting client-reported satisfaction with its professional employer organization services in the United States.[29]
  • 27% was the reported return on investment from cost savings for businesses using a PEO, according to NAPEO industry research in the United States.[12]
  • 70% of ADP TotalSource clients reported realizing measurable value immediately or within six months of implementation in an October 2025 survey.[28]

Customer retention in the professional employer organization industry

  • 83% was Insperity’s PEO HR Solutions client retention rate in 2025 in the United States.[30]
  • 82% was Paychex’s retention rate for its beginning client base in fiscal 2023, including payroll, HR solutions and PEO clients in the United States.[1]
  • 83% was Paychex’s retention rate for its beginning client base in fiscal 2024, including payroll, HR solutions and PEO clients in the United States.[1]
  • 10% was the lower end of the employee-turnover reduction range reported for PEO clients in NAPEO’s earlier U.S. research.[31]
  • Approximately 17% was Insperity’s PEO client attrition rate in 2025 in the United States.[32]

Customer acquisition in the professional employer organization industry

  • 5% to 7% was ADP’s forecast PEO Services revenue growth for fiscal 2026, reflecting expected expansion of its PEO customer business.[1]
  • 8% was Paychex’s year-over-year increase in combined HR-solutions and PEO client worksite employees from fiscal 2023 to fiscal 2024.[1]
  • 5% was Paychex’s year-over-year increase in combined HR-solutions and PEO clients from fiscal 2023 to fiscal 2024.[1]
  • 745,000+ combined payroll and HR-solutions clients were served by Paychex as of May 31, 2024, including its PEO customer base.[1]
  • 43% was TriNet’s year-over-year increase in average PEO platform users from 2024 to 2025.[1]

09 Statistics

Marketing & Brand

This section emphasizes recurring go-to-market behavior across PEOs, including 72% using an outside agency or freelancer for marketing and communications in 2025.

Marketing in the professional employer organization industry

  • 51% of PEOs used thought leadership, including webinars, as a mass marketing channel in 2025.[12]
  • 72% of PEOs worked with an outside agency or freelancer for marketing and communications in 2025, based on a survey of 47 NAPEO member companies.[12]
  • 62% of PEOs used in-person events as a mass marketing channel in 2025.[12]
  • 28% of PEOs reported constantly running mass marketing communications or campaigns in 2025.[12]
  • 23% of PEOs reported running mass marketing campaigns sporadically in 2025.[12]

Digital marketing in the professional employer organization industry

  • 41% of PEOs with in-house marketing teams had teams of two to three people in 2025.[12]
  • 11% of PEOs reported annual marketing and communications budgets of $250,000 to $499,999 in 2025.[12]
  • 11% of PEOs reported annual marketing and communications budgets below $10,000 in 2025.[12]
  • 23% of PEOs reported annual marketing and communications budgets of $100,000 to $249,999 in 2025.[12]
  • 12% of PEOs with in-house marketing teams had more than ten people in 2025.[12]

Branding in the professional employer organization industry

  • 72% of PEOs made risk and compliance support central to their company messaging in 2025.[12]
  • 24% of PEOs described themselves as an HR outsourcing provider in marketing and branding materials in 2025.[12]
  • 9% of PEOs described themselves as an HR, payroll or benefits platform in marketing and branding materials in 2025.[12]
  • 87% of PEOs made access to better benefits central to their company messaging in 2025.[12]
  • 11% of PEOs described themselves as a co-employment partner in marketing and branding materials in 2025.[12]

Social media in the professional employer organization industry

  • 62% of PEOs used paid social media in 2025.[12]
  • 26% of PEOs used other social media platforms organically in 2025.[12]
  • 79% of PEOs used unpaid LinkedIn in 2025.[12]
  • 21% of PEOs used paid Facebook in 2025.[12]
  • 79% of PEOs used unpaid Facebook in 2025.[12]

Influencer Marketing in the professional and business services sector (sector benchmark)

  • 86% of B2B influencer-marketing practitioners and creators prefer co-creating content with brands rather than amplifying finished brand content, based on Q1 2026 research.[33]
  • 74% of B2B influencers use artificial-intelligence tools to enhance content creation, based on Q1 2026 research.[33]
  • 78% of B2B influencer-marketing practitioners identify brand awareness and lead generation as their joint top challenges, based on Q1 2026 research.[33]
  • 44% of B2B influencer-marketing practitioners say finding the right talent is their single biggest collaboration obstacle, based on Q1 2026 research.[33]

10 Statistics

Operations & Execution

This section highlights operational delivery and scale, including TriNet processing $70 billion in payroll and payroll taxes for clients in 2025 in the United States.

Process optimization in the professional employer organization industry

  • 155% was the increase in TriNet PEO platform users’ total worksite employees from 2023 to 2024.[1]
  • 28,901 TriNet PEO platform users were included in average worksite employees in 2025, up 43% from 2024.[1]
  • 70% was ADP TotalSource’s increase in client satisfaction measured from the third quarter of fiscal 2022 to the third quarter of fiscal 2025.[1]
  • $70 billion in payroll and payroll taxes were processed by TriNet for clients in 2025 in the United States.[1]
  • 81% of PEOs surveyed identified HR efficiency as central to their company messaging in 2025.[12]

Operational efficiency in the professional employer organization industry

  • 3% was the increase in ADP PEO average worksite employees in fiscal 2025 compared with fiscal 2024.[1]
  • 2 times was the approximate growth rate of PEO-using businesses compared with comparable non-users in NAPEO’s 2024 analysis.[12]
  • 27% was the estimated return on investment from using a PEO through cost savings alone, according to NAPEO industry research.[12]
  • 1% was the increase in Insperity’s average paid worksite employees in 2025.[1]
  • 12% lower was the employee turnover rate for PEO clients compared with comparable non-users in NAPEO’s 2024 analysis.[12]

Quality management in the professional employer organization industry

  • 33% of surveyed decision-makers reported currently using a PEO in December 2024.[12]
  • 72% of PEOs surveyed identified risk and compliance support as central to their company messaging in 2025.[12]
  • 85% of Insperity participants’ health-insurance coverage was provided through United or UnitedHealthcare arrangements in 2025.[1]
  • 87% of PEOs surveyed identified access to better benefits as central to their company messaging in 2025.[12]
  • 52% of PEO users at businesses with 10–49 employees had a retirement plan, compared with 23% of non-users, according to NAPEO research.[12]

Supply chain in the professional employer organization industry

  • 30 days was the standard termination notice period for most Insperity HR 360 client service agreements in 2025.[1]
  • 502 PEOs operated in the United States according to NAPEO’s September 2026 industry overview.[12]
  • 16% of PEO clients were located in California in NAPEO’s 2025 client analysis.[34]
  • 6 national health-insurance carrier relationships were identified by Insperity for its worksite employees in 2025.[1]
  • More than 200,000 small and midsize businesses received payroll, benefits and HR services from PEOs according to NAPEO’s 2024 research.[12]

Outsourcing / Offshoring in the professional and business services sector (sector benchmark)

  • 60% of EU business-services enterprises sourcing abroad were in the business-services sector, compared with 40% in industry and construction, during 2021–2023.[2]
  • 28.8% of EU enterprises sourcing abroad sourced information and communication technology services internationally during 2021–2023.[2]
  • 29% of U.S. CPA firms responding to the 2025 National MAP Survey utilized offshoring, rising to 74% among firms with at least $10 million in net client fees.[35]
  • 39% of EU enterprises sourcing abroad outsourced business functions to external providers during 2021–2023, while 72% used affiliated-group insourcing.[2]
  • 47.5% of EU enterprises sourcing abroad sourced administrative and management functions internationally during 2021–2023.[2]

11 Statistics

Finance & Pricing

This section links financial reporting to pricing mechanics, including ADP’s $40.4 billion average client-funds balance in fiscal 2026 and PEO fee ranges of 2% to 12% of gross payroll.

Pricing strategy in the professional employer organization industry

  • 2% to 12% of gross payroll is the typical small-business PEO pricing range reported by the U.S. Chamber of Commerce in 2026.[36]
  • $40 to $200 per employee per month is the typical small-business PEO pricing range reported by the U.S. Chamber of Commerce in 2026.[36]
  • 4% growth in Insperity revenue per worksite employee occurred in the fourth quarter of 2024 as higher pricing offset a 2% decline in paid worksite employees.[1]
  • 10% to 12% was ADP’s reported potential revenue uplift from moving eligible existing clients into its PEO offering, net of zero-margin pass-throughs.[1]
  • $99 per employee per month is Remote’s published starting price for its professional employer organization service in 2026.[37]

Cost reduction in the professional employer organization industry

  • 27.2% was the estimated annual return on investment from PEO-related cost savings in NAPEO’s research.[12]
  • 4% of estimated annual PEO-related savings per employee came from workers’ compensation costs.[12]
  • $1,395 was the average PEO cost per worksite employee used in NAPEO’s return-on-investment calculation.[12]
  • 54% of estimated annual PEO-related savings per employee came from internal HR salaries and benefits.[12]
  • $66 of the estimated annual saving per employee came from workers’ compensation costs in NAPEO’s PEO-client study.[12]

Profitability in the professional employer organization industry

  • $155 million was TriNet’s 2025 net income, down 10% from 2024.[1]
  • 180% was the year-over-year increase in Insperity net income in the second quarter of 2026.[1]
  • 91% was TriNet’s 2025 insurance cost ratio, one percentage point higher than in 2024.[1]
  • $4 million was Insperity’s net income in the second quarter of 2026.[1]
  • 21% was the year-over-year decline in Insperity gross profit in the fourth quarter of 2025.[1]

Financial planning in the professional employer organization industry

  • 5.4 million worksite employees were supported by U.S. PEOs in 2025, according to NAPEO’s latest industry footprint figures.[12]
  • $40.4 billion was ADP’s average client-funds balance in fiscal 2026, with fiscal 2027 growth forecast at 4% to 5%.[1]
  • $386 billion in wages were paid to U.S. PEO worksite employees in 2025, according to NAPEO.[12]
  • $37.1 million was ADP’s fiscal 2026 increase in operating costs for workers’ compensation coverage and state unemployment insurance within PEO Services.[1]
  • $647 million to $663 million is TriNet’s full-year 2026 professional-service-revenue guidance.[1]

12 Statistics

Product & Service

This section describes service coverage and client mix, including 68% of employers using a PEO rating themselves most successful at tailoring communications and enrollment experiences.

Product development in the professional employer organization industry

  • 5.4 million worksite employees were supported by U.S. PEOs in 2025, expanding the scale at which providers can develop benefits and workforce technologies.[12]
  • 68% of employers using a PEO rated themselves most successful at tailoring communications and enrollment experiences for different worksite-employee segments.[38]
  • 71% of employers using a PEO rated themselves most successful at expanding mental and emotional health resources.[38]
  • 63% of PEO-using employers rated themselves most successful at offering more value-added services, 43 percentage points above non-users.[38]
  • 33% of current PEO members cited support with evolving compliance and employment laws as an advantage of using a PEO.[38]

Product lifecycle in the professional employer organization industry

  • 5% of PEO client businesses had 100 to 499 employees in 2025.[39]
  • 64% of PEO worksite employees were served by the 30 largest providers in 2025, up from 58% in 2022, showing lifecycle-service consolidation.[39]
  • 24% of PEO client businesses had 20 to 49 employees in 2025.[39]
  • Approximately 87% of PEO client businesses had fewer than 50 employees in 2025, concentrating lifecycle services in small businesses.[39]
  • 17% of PEO client businesses had 1 to 4 employees in 2025, representing the smallest client segment in the service lifecycle.[39]

After-sales in the professional employer organization industry

  • 40% higher employee satisfaction was reported by small businesses working with PEOs compared with businesses without PEO support.[40]
  • 30% higher employee engagement was reported by small businesses working with PEOs compared with businesses without PEO support.[40]
  • 41% of PEOs expected their number of clients to increase somewhat during the next 12 months in the 2025 PEO Insider survey.[11]
  • 54% of PEOs reported that workers’ compensation claims stayed about the same in the next 12 months in the 2025 PEO Insider survey.[11]
  • 50% of PEOs reported that their number of internal employees stayed about the same in the next 12 months in the 2025 PEO Insider survey.[11]

Value proposition in the professional employer organization industry

  • 4% of modeled PEO savings came from workers’ compensation in NAPEO’s 2018 analysis.[41]
  • 54% of modeled PEO savings came from reduced internal HR staff time in NAPEO’s 2018 analysis.[42]
  • 18% of U.S. PEO clients were located in Florida in NAPEO’s 2025 client research.[12]
  • 27% was the reported return on investment from using a PEO when measured through cost savings alone.[12]
  • 15% of U.S. employers with 10 to 499 employees were represented by PEO clients in NAPEO’s 2025 client research.[12]

13 Statistics

Sustainability & Ethics

This section documents sustainability and ethics disclosures, including 43 million sheets of paper avoided by Paychex in fiscal 2023.

Sustainability in the professional employer organization industry

  • 43 million sheets of paper were avoided by Paychex in fiscal 2023 through restricted paper mailings in the United States.[43]
  • 74.8 metric tons of electronic waste were recycled by Paychex in United States operations in fiscal 2023.[43]
  • 6 company-wide No Meeting Days were held by TriNet in 2024, up from 4 in the prior arrangement.[44]
  • 1 complete migration of TriNet’s on-premises data centers to the cloud was reported in the 2024 ESG report.[44]
  • 2050 is Paychex’s target year for achieving net-zero greenhouse-gas emissions.[43]

ESG in the professional employer organization industry

  • Approximately 23,000 clients were reported by TriNet as of December 31, 2023.[44]
  • Approximately 355,000 average worksite employees were served by TriNet as of September 30, 2024.[44]
  • 9 ESG pillars were identified in Paychex’s 2023 ESG program.[43]
  • 53.5% of Paychex leadership roles were held by women in fiscal 2023.[43]
  • 4 annual ESG reports had been issued by TriNet by 2024.[44]

Ethics in the professional employer organization industry

  • 0.20 was TriNet’s total recordable case incident rate per 200,000 working hours in 2024.[44]
  • 2023 was the year TriNet established a centralized Corporate Compliance Office under a chief compliance officer.[44]
  • 15 appearances on the Ethisphere World’s Most Ethical Companies list had been achieved by Paychex by 2023.[43]
  • 5 years of loss or claim history must be disclosed under the 2025 ESAC accreditation standards for specified errors-and-omissions claims.[45]
  • 17 hours was the average CORE ethics and compliance training completed by new TriNet colleagues in 2024.[44]

CSR in the professional employer organization industry

  • $4 million was committed by the Paychex Charitable Foundation over four years beginning in fiscal 2023.[43]
  • 3,818 civic paid-time-off hours were used by TriNet colleagues in 2023.[44]
  • $1 million per year for four years was directed by the Paychex Charitable Foundation toward four community organizations.[43]
  • 2,423 civic paid-time-off hours were used by TriNet colleagues in 2022.[44]
  • 89+ volunteer hours were contributed by TriNet colleagues to produce dignity bags for unhoused people in 2024.[44]

15 Statistics

Globalization & Expansion

This section provides global sizing and regional growth expectations, including global market size of $74.8 billion in 2026 and 13.2% Asia-Pacific CAGR.

Globalization in the professional employer organization industry

  • $67.7 billion was the global professional employer organization market size in 2025.[54]
  • 15% was the estimated PEO penetration rate among U.S. employers with 20 to 499 employees in 2025.[12]
  • $74.8 billion is the projected global professional employer organization market size for 2026.[54]
  • 7.5% was the average annual growth rate of U.S. PEO worksite employees from 2008 through 2022.[12]
  • 233,000 U.S. businesses used PEO services in 2025.[41]

Stakeholder management in the professional employer organization industry

  • 50.4% was the annual employee turnover rate at PEO client firms, compared with 57.6% at similar non-client firms, in the latest cited comparison.[42]
  • 445 employees of non-PEO firms participated in the cited comparison survey.[55]
  • 50% less likely to go out of business were PEO client firms than comparable non-client firms in the cited NAPEO analysis.[42]
  • 5 percentage points was the reported average advantage for PEO client employees across the survey questions compared with non-client employees.[55]
  • 37% of reported PEO client savings came from health benefits in the cited analysis.[42]

Distribution channels in the professional employer organization industry

  • 10–12 times was ADP’s reported potential revenue uplift range when clients upgrade into PEO services, depending on client size.[1]
  • 43% of decision-makers learned about PEOs from an article in the cited survey.[56]
  • 45% of decision-makers learned about PEOs from a friend or colleague in the cited survey.[56]
  • 64% of TriNet’s total PEO worksite-employee wages came from five U.S. markets in 2025.[1]
  • $6.2 billion was ADP PEO revenue in fiscal 2024.[1]

Key questions about the professional employer organization industry

What is the current U.S. market size for professional employer organizations?
The U.S. PEO industry generated $446 billion in revenue in 2025, supporting 5.4 million worksite employees across more than 233,000 client businesses.
How fast is the global PEO market expected to grow?
Grand View Research projects the global PEO market to grow from $74.8 billion in 2026 to $186.1 billion in 2035, a 10.6% CAGR from 2026 to 2035.
Which companies lead the professional employer organization industry?
ADP leads Gitnux's 2026 professional employer organization ranking with an Overall score of 9.2, with $7.1 billion in fiscal 2026 PEO Services revenue. Paychex is the runner-up at 8.9, with $1.34 billion in fiscal 2025 PEO and Insurance Solutions revenue.
Where is technology shifting in PEO operations and services?
AI is moving into HR workflows, with examples including 2025 AI-based technologies at Insperity and an AI-powered TriNet Assistant suite announced for a planned 2026 launch.
How fragmented is the U.S. PEO market and how many providers operate?
As of September 2026, the U.S. market includes 502 PEOs serving more than 233,000 businesses, and it remains fragmented.
What pricing range do buyers typically see for PEO administrative fees?
PEO administrative fees commonly range from 2% to 12% of total payroll, or approximately $40 to $160 per employee per month; benefits, workers’ compensation, and taxes are generally priced separately.
Reference

Cite This Report

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APA
Samuel Norberg. (2026, November 10). Professional Employer Organization Industry Statistics. Gitnux. https://gitnux.org/professional-employer-organization-industry-statistics
MLA
Samuel Norberg. "Professional Employer Organization Industry Statistics." Gitnux, 10 Nov 2026, https://gitnux.org/professional-employer-organization-industry-statistics.
Chicago
Samuel Norberg. 2026. "Professional Employer Organization Industry Statistics." Gitnux. https://gitnux.org/professional-employer-organization-industry-statistics.