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Top 10 Best Advertising Agency Billing Software of 2026

Discover top ad agency billing software. Compare features, find the best tools for your team. Get started now.

Gitnux Team

Feb 11, 2026

10 tools comparedExpert reviewed
Independent evaluation · Unbiased commentary · Updated regularly
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For advertising agencies, robust billing software is essential to maintain profitability, streamline operations, and enhance client relationships—with a range of tools offering unique strengths. Our curated list highlights top solutions that balance functionality, ease of use, and adaptability, helping agencies select the best fit for their workflows.

Quick Overview

  1. 1#1: Workamajig - All-in-one ERP software tailored for advertising agencies, integrating project management, time tracking, resource allocation, and comprehensive billing with accounting.
  2. 2#2: FunctionFox - Creative agency planning and billing software that tracks time, manages projects, and generates invoices with customizable templates for ad teams.
  3. 3#3: 10twelve - Agency management platform offering time tracking, job costing, profitability analysis, and automated invoicing specifically for advertising firms.
  4. 4#4: WorkBook - Integrated agency CRM, project management, and billing solution that handles retainers, expenses, and client invoicing for advertising workflows.
  5. 5#5: Scoro - All-in-one business management tool with advanced billing, quoting, time tracking, and reporting features optimized for service-based ad agencies.
  6. 6#6: Accelo - Professional services automation platform providing end-to-end billing, invoicing, retainers, and project profitability for advertising agencies.
  7. 7#7: BigTime - Professional services billing software with time/expense tracking, WIP management, and customizable invoicing suited for ad agency operations.
  8. 8#8: Kantata - Cloud-based PSA platform formerly Mavenlink, offering resource planning, time tracking, and enterprise-grade billing for professional services including agencies.
  9. 9#9: Harvest - Simple time tracking and invoicing tool that integrates with agency projects to create accurate bills based on tracked hours and expenses.
  10. 10#10: FreshBooks - Easy-to-use invoicing and accounting software ideal for small advertising agencies handling client billing, payments, and expense tracking.

Tools were ranked based on integration of core features (time tracking, project management, accounting), user-friendliness, scalability, and overall value, ensuring they meet the diverse needs of modern advertising firms.

Comparison Table

Advertising agencies rely on efficient software to streamline billing, project management, and client workflows, and this comparison table explores top tools—including Workamajig, FunctionFox, 10twelve, WorkBook, Scoro, and more—to simplify selection. Readers will learn key features, pricing models, and suitability for different agency sizes, empowering them to choose software that aligns with their unique needs and workflows.

1Workamajig logo9.4/10

All-in-one ERP software tailored for advertising agencies, integrating project management, time tracking, resource allocation, and comprehensive billing with accounting.

Features
9.8/10
Ease
7.9/10
Value
8.7/10

Creative agency planning and billing software that tracks time, manages projects, and generates invoices with customizable templates for ad teams.

Features
9.4/10
Ease
8.7/10
Value
9.0/10
310twelve logo8.6/10

Agency management platform offering time tracking, job costing, profitability analysis, and automated invoicing specifically for advertising firms.

Features
9.2/10
Ease
8.4/10
Value
8.0/10
4WorkBook logo8.3/10

Integrated agency CRM, project management, and billing solution that handles retainers, expenses, and client invoicing for advertising workflows.

Features
9.1/10
Ease
7.6/10
Value
8.0/10
5Scoro logo8.1/10

All-in-one business management tool with advanced billing, quoting, time tracking, and reporting features optimized for service-based ad agencies.

Features
8.6/10
Ease
7.4/10
Value
7.7/10
6Accelo logo8.2/10

Professional services automation platform providing end-to-end billing, invoicing, retainers, and project profitability for advertising agencies.

Features
8.7/10
Ease
7.9/10
Value
8.0/10
7BigTime logo8.4/10

Professional services billing software with time/expense tracking, WIP management, and customizable invoicing suited for ad agency operations.

Features
9.0/10
Ease
8.1/10
Value
8.0/10
8Kantata logo8.2/10

Cloud-based PSA platform formerly Mavenlink, offering resource planning, time tracking, and enterprise-grade billing for professional services including agencies.

Features
8.7/10
Ease
7.6/10
Value
7.9/10
9Harvest logo8.1/10

Simple time tracking and invoicing tool that integrates with agency projects to create accurate bills based on tracked hours and expenses.

Features
7.6/10
Ease
9.3/10
Value
8.4/10
10FreshBooks logo7.6/10

Easy-to-use invoicing and accounting software ideal for small advertising agencies handling client billing, payments, and expense tracking.

Features
7.2/10
Ease
9.1/10
Value
7.0/10
1
Workamajig logo

Workamajig

enterprise

All-in-one ERP software tailored for advertising agencies, integrating project management, time tracking, resource allocation, and comprehensive billing with accounting.

Overall Rating9.4/10
Features
9.8/10
Ease of Use
7.9/10
Value
8.7/10
Standout Feature

Integrated 'A/E Ready' accounting system with agency-specific job costing and WIP management for precise billing accuracy

Workamajig is a comprehensive all-in-one platform designed specifically for advertising and creative agencies, offering robust billing, accounting, project management, and resource planning tools. It excels in job costing, time tracking integration for accurate invoicing, profitability analysis, and automated billing workflows tailored to agency needs. With features like WIP reporting, AR management, and customizable invoicing, it streamlines financial operations while providing real-time insights into project profitability.

Pros

  • Industry-specific billing and job costing tailored for advertising agencies
  • Seamless integration of time tracking, projects, and accounting for accurate invoicing
  • Powerful profitability reporting and forecasting tools

Cons

  • Steep learning curve due to extensive feature set
  • User interface feels dated compared to modern SaaS tools
  • Pricing can be high for smaller agencies

Best For

Mid-to-large advertising agencies seeking an integrated billing and project management solution to handle complex job costing and profitability tracking.

Pricing

Custom pricing starting around $40/user/month for basic plans, scaling to $60+ for advanced features; enterprise quotes available.

Visit Workamajigworkamajig.com
2
FunctionFox logo

FunctionFox

specialized

Creative agency planning and billing software that tracks time, manages projects, and generates invoices with customizable templates for ad teams.

Overall Rating9.1/10
Features
9.4/10
Ease of Use
8.7/10
Value
9.0/10
Standout Feature

Visual Timeline scheduling with real-time capacity planning to prevent overbooking and optimize billable resources

FunctionFox is a robust project management and time-tracking platform tailored for creative agencies, including advertising firms, enabling efficient project planning, resource allocation, and billing. It excels in capturing billable hours, managing expenses, generating invoices directly from time entries, and providing profitability reports. The software integrates scheduling, task assignment, and client collaboration tools to streamline workflows from project inception to payment.

Pros

  • Seamless integration of time tracking with invoicing and expense management for accurate agency billing
  • Comprehensive reporting on project profitability and utilization rates
  • Customizable templates and client portals for streamlined approvals and communication

Cons

  • Interface feels slightly dated compared to modern SaaS tools
  • Limited native integrations with popular accounting software like QuickBooks
  • Advanced features require higher-tier plans, increasing costs for full functionality

Best For

Mid-sized advertising agencies seeking an all-in-one solution for project tracking and client billing without needing extensive customizations.

Pricing

Starts at $5/user/month (Solo), $9/user/month (Planning), up to $19/user/month (Tracking Plus), billed annually with a minimum of 3 users.

Visit FunctionFoxfunctionfox.com
3
10twelve logo

10twelve

specialized

Agency management platform offering time tracking, job costing, profitability analysis, and automated invoicing specifically for advertising firms.

Overall Rating8.6/10
Features
9.2/10
Ease of Use
8.4/10
Value
8.0/10
Standout Feature

Advanced Profit First billing engine that automates scoping, revenue recognition, and margin tracking per client/project

10twelve is a specialized billing and operations platform built for advertising and creative agencies, focusing on accurate invoicing, time tracking, and profitability analysis. It automates complex billing scenarios like retainers, projects, and milestones while providing real-time financial insights and resource planning tools. The software integrates project management with billing to help agencies forecast revenue, track margins, and optimize operations for better cash flow.

Pros

  • Tailored billing engine handles agency-specific needs like retainers and scoping
  • Real-time profitability dashboards and forecasting tools
  • Seamless integration of time tracking with invoicing and reporting

Cons

  • Higher pricing may deter very small agencies
  • Limited native integrations with popular creative tools
  • Initial setup and customization require time and training

Best For

Mid-sized advertising agencies managing multiple retainers and projects that need precise billing accuracy and profitability insights.

Pricing

Custom pricing starting around $299/month for core plans, scaling based on users, projects, and features; free trial available.

Visit 10twelve10twelve.com
4
WorkBook logo

WorkBook

specialized

Integrated agency CRM, project management, and billing solution that handles retainers, expenses, and client invoicing for advertising workflows.

Overall Rating8.3/10
Features
9.1/10
Ease of Use
7.6/10
Value
8.0/10
Standout Feature

Advanced profitability engine that forecasts revenue, costs, and margins in real-time via interactive financial calendars

WorkBook is a comprehensive agency management platform tailored for advertising agencies, providing end-to-end tools for project management, resource scheduling, time tracking, and billing. It excels in automating invoicing, handling complex billing scenarios like retainers and campaigns, and delivering profitability insights through integrated financial tracking. With CRM, reporting, and forecasting capabilities, it helps agencies manage operations from client acquisition to payment collection efficiently.

Pros

  • Robust billing automation with retainer and milestone support
  • Real-time profitability tracking across projects and clients
  • Integrated resource planning and CRM for streamlined agency workflows

Cons

  • Steep learning curve for new users due to extensive features
  • Custom pricing can be expensive for smaller agencies
  • User interface feels dated compared to modern SaaS tools

Best For

Mid-sized advertising agencies needing an all-in-one solution for billing, project management, and financial forecasting.

Pricing

Starts at around $59/user/month for basic plans, with custom enterprise pricing based on agency size and needs.

Visit WorkBookworkbook.net
5
Scoro logo

Scoro

enterprise

All-in-one business management tool with advanced billing, quoting, time tracking, and reporting features optimized for service-based ad agencies.

Overall Rating8.1/10
Features
8.6/10
Ease of Use
7.4/10
Value
7.7/10
Standout Feature

Profitability dashboard that automatically calculates margins per project, client, or team member from real-time time and expense data

Scoro is an all-in-one business management platform tailored for service-based businesses like advertising agencies, combining CRM, project management, time tracking, and billing into a unified system. It excels in automating the billing process by converting timesheets and project data directly into invoices, while providing profitability insights and resource planning. Ideal for agencies handling complex client projects, Scoro ensures accurate billing for billable hours, expenses, and retainers with customizable templates and multi-currency support.

Pros

  • Seamless integration of time tracking and project management into billing workflows
  • Advanced profitability reporting and forecasting for agency finances
  • Automated invoicing, quotes, and recurring billing with customizable templates

Cons

  • Steep learning curve due to extensive features overwhelming smaller teams
  • Higher pricing may not suit very small agencies focused solely on billing
  • Limited out-of-the-box advertising-specific templates requiring customization

Best For

Mid-sized advertising agencies needing an integrated platform for project tracking, time billing, and financial oversight.

Pricing

Starts at $26/user/month (Basic, billed annually) up to $66/user/month (Ultimate), with a 14-day free trial and custom enterprise pricing.

Visit Scoroscoro.com
6
Accelo logo

Accelo

enterprise

Professional services automation platform providing end-to-end billing, invoicing, retainers, and project profitability for advertising agencies.

Overall Rating8.2/10
Features
8.7/10
Ease of Use
7.9/10
Value
8.0/10
Standout Feature

Smart Workflows that automate billing triggers from project milestones and time entries

Accelo is a comprehensive professional services automation (PSA) platform designed for agencies, including advertising firms, to manage end-to-end operations. It excels in billing through automated time tracking, expense logging, customizable invoicing, and retainer management tailored to agency workflows. The software also integrates project management, CRM, and profitability reporting to streamline client campaigns and financial oversight.

Pros

  • Robust automation for invoicing, retainers, and recurring billing ideal for agency retainers
  • Seamless integration of time tracking, projects, and CRM for full client lifecycle management
  • Strong reporting on billable hours, profitability, and resource allocation

Cons

  • Steeper learning curve due to extensive features
  • Interface feels dated compared to modern SaaS tools
  • Higher costs for advanced plans with larger teams

Best For

Mid-sized advertising agencies needing an all-in-one PSA for billing, project tracking, and client management without multiple disjointed tools.

Pricing

Starts at $39/user/month (Professional), $69 (Advanced), $99 (Elite), with custom Ultimate plans; billed annually.

Visit Acceloaccelo.com
7
BigTime logo

BigTime

enterprise

Professional services billing software with time/expense tracking, WIP management, and customizable invoicing suited for ad agency operations.

Overall Rating8.4/10
Features
9.0/10
Ease of Use
8.1/10
Value
8.0/10
Standout Feature

Revenue forecasting and project-level profitability tracking

BigTime is a cloud-based professional services automation (PSA) platform tailored for advertising agencies and similar firms, providing comprehensive time tracking, project management, expense logging, and client billing tools. It streamlines agency workflows by enabling accurate billable hour capture, automated invoicing, and profitability analysis across projects. With customizable reports and resource scheduling, it helps agencies forecast revenue and optimize resource allocation effectively.

Pros

  • Robust time/expense tracking with mobile app support
  • Advanced invoicing, AR management, and profitability reporting
  • Skills-based resource scheduling for agency teams

Cons

  • Steep learning curve for complex features
  • Pricing scales quickly for larger teams
  • Limited built-in creative approval workflows

Best For

Mid-sized advertising agencies needing integrated PSA for time tracking, billing, and project profitability insights.

Pricing

Tiered pricing from $10/user/month (Essentials) to $50/user/month (Elite), billed annually; custom quotes for enterprises.

Visit BigTimebigtime.net
8
Kantata logo

Kantata

enterprise

Cloud-based PSA platform formerly Mavenlink, offering resource planning, time tracking, and enterprise-grade billing for professional services including agencies.

Overall Rating8.2/10
Features
8.7/10
Ease of Use
7.6/10
Value
7.9/10
Standout Feature

Skills-based capacity planning and forecasting for precise resource allocation and billing accuracy

Kantata is a robust professional services automation (PSA) platform tailored for advertising agencies, enabling seamless management of projects, resources, time tracking, and billing workflows. It provides advanced tools for capturing billable hours, expenses, and generating accurate invoices while offering real-time profitability insights and forecasting. Originally Mavenlink, it supports creative agencies in handling retainers, campaigns, and variable billing models efficiently.

Pros

  • Comprehensive time and expense tracking with automated invoicing
  • Real-time dashboards for project profitability and resource utilization
  • Strong integrations with accounting tools like QuickBooks and NetSuite

Cons

  • Steep learning curve due to extensive features
  • Pricing can be prohibitive for small agencies
  • Some users report occasional performance lags with large datasets

Best For

Mid-to-large advertising agencies needing integrated PSA for complex billing and resource management.

Pricing

Custom quote-based pricing; Essentials plan starts around $39/user/month, with Advanced and Enterprise tiers scaling up based on features and users.

Visit Kantatakantata.com
9
Harvest logo

Harvest

specialized

Simple time tracking and invoicing tool that integrates with agency projects to create accurate bills based on tracked hours and expenses.

Overall Rating8.1/10
Features
7.6/10
Ease of Use
9.3/10
Value
8.4/10
Standout Feature

Project budgeting that alerts teams when approaching client-approved limits, preventing overages in agency billing.

Harvest is a user-friendly time tracking and invoicing platform designed for teams and freelancers to log hours, manage projects, track expenses, and generate client invoices. It excels in simplifying billable time management by allowing automatic invoice creation from time entries and providing detailed productivity reports. Ideal for service-based businesses like advertising agencies relying on hourly billing.

Pros

  • Intuitive time tracking with start/stop timers and mobile app support
  • Direct invoicing from tracked time and expenses
  • Solid reporting and budget tracking for projects
  • Integrations with tools like QuickBooks, Asana, and Slack

Cons

  • Limited advanced agency-specific features like campaign ROI tracking or media buying tools
  • No native CRM or client approval workflows
  • Reporting lacks deep customization for complex agency billing
  • Advanced team features require higher-tier plans

Best For

Small to mid-sized advertising agencies that prioritize simple, accurate time-based billing without needing heavy project management or CRM capabilities.

Pricing

Free for solo users; Pro plan at $12/user/month (billed annually $10.80); Company plan at $21/user/month (billed annually $18); minimum 2 users on paid plans.

Visit Harvestharvestapp.com
10
FreshBooks logo

FreshBooks

other

Easy-to-use invoicing and accounting software ideal for small advertising agencies handling client billing, payments, and expense tracking.

Overall Rating7.6/10
Features
7.2/10
Ease of Use
9.1/10
Value
7.0/10
Standout Feature

Beautiful, mobile-optimized invoices with branding customization and one-click client approvals

FreshBooks is a user-friendly cloud-based invoicing and accounting platform tailored for small businesses, freelancers, and service providers, offering time tracking, expense management, customizable invoicing, and online payments. For advertising agencies, it excels in tracking billable hours, generating professional invoices, and automating recurring billing for retainers. However, it lacks deep project management or agency-specific reporting, making it suitable for simpler billing needs rather than complex agency workflows.

Pros

  • Intuitive interface with drag-and-drop invoicing
  • Robust time tracking and expense categorization for billable work
  • Fast online payments and automated reminders to improve cash flow

Cons

  • Limited advanced project management or task assignment tools
  • Reporting lacks agency-specific metrics like utilization rates
  • Pricing scales quickly for teams with multiple clients

Best For

Small advertising agencies or freelance creatives focused on straightforward hourly billing and invoicing without needing integrated CRM or complex project tracking.

Pricing

Starts at $19/month (Lite: 5 clients, basic features) up to $60/month (Select: unlimited clients, advanced reporting); billed annually for discounts.

Visit FreshBooksfreshbooks.com

Conclusion

Among the reviewed tools, Workamajig emerges as the top choice, offering a fully integrated ERP system that combines project management, time tracking, and accounting, perfectly suited for advertising agencies. FunctionFox and 10twelve stand out as strong alternatives: FunctionFox excels with customizable templates for creative ad teams, while 10twelve delivers robust job costing and profitability analysis, addressing diverse operational needs. Ultimately, the right software streamlines billing processes, ensuring efficiency and accuracy, with Workamajig leading the pack.

Workamajig logo
Our Top Pick
Workamajig

Ready to transform your agency’s billing workflow? Start with Workamajig to leverage its all-in-one capabilities and set your operations up for success.