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Business FinanceTop 10 Best Nonprofit Audit Services of 2026
Ranked nonprofit audit providers with evaluation criteria and tradeoffs for nonprofits needing financial statement audit support, featuring Plante Moran.
How we ranked these tools
Vendors set the topic, but our editors set the inclusion criteria and the evaluation framework before research starts.
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Framework: Features 40% · Ease 30% · Value 30%
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Plante Moran is the best fit overall for nonprofits that need one audit team able to deliver audit and compliance communications for governance across regions, while CliftonLarsonAllen works best for structured Single Audit execution and governance-ready reporting if your finance team prioritizes that flow.
Editor’s top 3 picks
Three quick recommendations before you dive into the full comparison below — each one leads on a different dimension.
Plante Moran
Firm-led reporting coordination that packages auditor communications for both management and board audit committee review.
Best for: Fits when nonprofits need a single audit team to deliver financial and compliance communications to governance.
CliftonLarsonAllen
Editor pickSingle Audit execution cadence that ties major program selection to evidence requests and management letter issue mapping.
Best for: Fits when nonprofit finance teams need structured Single Audit execution and governance-ready reporting.
CohnReznick
Editor pickNonprofit delivery coordination that ties evidence planning to governance deliverables, including management letter communications and control findings packaging.
Best for: Fits when nonprofits need one firm coordinating financial and compliance audit work with governance-focused reporting.
Comparison Table
Plante Moran
enterprise_vendorMajor CPA firm serving nonprofit organizations with audit, tax, and consulting services across multiple regions.
Firm-led reporting coordination that packages auditor communications for both management and board audit committee review.
Plante Moran applies audit governance workflows that support board-level oversight, including coordination of deliverables such as the auditor’s report and management communications. Field execution is built around documented risk assessment, controlled sampling approaches for evidence evaluation, and traceable linkage between audit procedures and conclusions. The engagement workflow is well-suited for nonprofits that need consistent interpretation of accounting presentation and donor-related reporting points.
A tradeoff is that large-scope engagements require earlier coordination of schedules, reconciliations, and supporting documentation to avoid late-stage evidence gaps. Plante Moran is a strong match when multiple regulated funding sources converge in one audit cycle and management wants a single audit team to manage scope boundaries across deliverables.
- +Disciplined audit documentation that ties procedures to conclusions
- +Management letter communications with actionable internal control themes
- +Board audit committee readiness through structured reporting cadence
- +Consistent interpretation across nonprofit reporting presentations
- –Earlier schedule and reconciliation prep is required for smoother evidence flow
- –Engagement coordination can add overhead for small accounting teams
- –Timeline compression increases dependence on timely document responsiveness
CFO and controller teams
Year-end financial statement audit readiness
Clean reporting and traceable conclusions
Board audit committee
Internal control communications
Governance-ready issue tracking
Show 2 more scenarios
Grant finance leadership
Compliance support across funding sources
Reduced compliance ambiguity
Audit scope coordination aligns grant-related reporting deliverables with evidence retention needs.
Nonprofit audit project managers
Single audit workflow execution
Repeatable audit cycle controls
Engagement execution organizes testing and documentation around federal award reporting constraints.
Best for: Fits when nonprofits need a single audit team to deliver financial and compliance communications to governance.
CliftonLarsonAllen
enterprise_vendorEighth-largest US CPA firm with a dedicated nonprofit and government audit practice serving thousands of tax-exempt organizations.
Single Audit execution cadence that ties major program selection to evidence requests and management letter issue mapping.
CliftonLarsonAllen is a strong fit for nonprofits needing consistent audit governance around fieldwork planning, evidence management, and management letter communication. The firm’s audit approach is designed to support both financial statement reporting and compliance testing tied to federal awards, including audit sampling and audit evidence handling across major programs. Engagement teams commonly produce outputs that support reconciliation workflows and governance review by the audit committee.
A notable tradeoff is that engagements can require heavier upfront coordination on documentation completeness and grant detail traceability, especially when systems and subaward data are fragmented. CliftonLarsonAllen works best when nonprofit finance and grants teams can provide clear trial balance mappings, fund activity detail, and program-level support for testing.
- +Fieldwork planning supports federal award scope and major program testing sequencing
- +Audit evidence workflows reduce rework during acceptance and reporting review
- +Governance-ready reporting supports audit committee discussion and follow-up tracking
- +Management letter output is structured for internal control deficiency remediation
- –Requires disciplined document packaging and program-level traceability from finance teams
- –Complex multi-entity fund accounting can extend coordination windows for testing requests
- –Customization of reporting formats can take additional lead time and review cycles
- –Dependency on client availability can slow turnaround when grant systems lag
Nonprofit CFO teams
Single Audit with multiple federal programs
Faster issue closure planning
Audit committee members
Board-ready audit oversight
Clearer remediation priorities
Show 2 more scenarios
Grants finance operations
Schedule of Expenditures of Federal Awards reconciliation
Reduced reconciliation churn
Supports SEFA preparation flow and traceability for federal award compliance testing.
Controller and accounting staff
Financial statement audit with fund accounting complexity
Lower rework during fieldwork
Aligns audit sampling and evidence requests to fund-level reporting and restricted activity detail.
Best for: Fits when nonprofit finance teams need structured Single Audit execution and governance-ready reporting.
CohnReznick
enterprise_vendorAccounting and advisory firm known for nonprofit, affordable housing, and community development audit services.
Nonprofit delivery coordination that ties evidence planning to governance deliverables, including management letter communications and control findings packaging.
CohnReznick fits nonprofit organizations that need consistent audit execution across multiple funds, restricted balances, and allocation-heavy activity like functional expense reporting. The firm’s work product usually includes audit reports, management letter communications, and communications tied to internal control deficiencies such as significant deficiency and material weakness. Audit execution is organized around a repeatable planning-to-evidence workflow that supports staff handoffs and board-level questions during fieldwork and reporting.
A tradeoff appears in the depth of documentation needed from the nonprofit team, since audit success depends on timely reconciliations and support for grant and program activity. CohnReznick is a strong usage choice when management wants one firm coordinating nonprofit-specific accounting scrutiny while aligning testing to compliance requirements for federal award activity.
- +Coordinated audit execution with board-ready reporting outputs
- +Documented planning and evidence workflow supports staff continuity
- +Strong coverage of restricted fund accounting and allocation-heavy areas
- +Structured communications for control findings and management letter
- –Heavier nonprofit documentation burden during reconciliation and support
- –Scoping requires active alignment on federal program scope boundaries
- –Automation-heavy workflows depend on nonprofit data readiness
- –Turnaround can vary when grant detail schedules lag
Controller and finance team
Year-end close with restricted balances
Fewer late audit adjustments
Board audit committee
Internal control questions after fieldwork
Clear action-oriented takeaways
Show 2 more scenarios
Grants and compliance lead
Federal award activity testing alignment
Lower risk of scope gaps
CohnReznick supports compliance testing tied to grant execution and related reporting schedules.
CFO and accounting leadership
Single audit readiness planning
More predictable audit workflow
The engagement structures audit planning around federal reporting needs and documentation trails.
Best for: Fits when nonprofits need one firm coordinating financial and compliance audit work with governance-focused reporting.
RSM US
enterprise_vendorLeading middle-market CPA firm providing audit, tax, and consulting services to nonprofit and government entities.
Nonprofit engagements coordinated around federal award risk assessment to connect testing results to audit reporting outputs.
RSM US supports nonprofit audits with a focus on audit planning, risk-based execution, and reporting aligned to major oversight expectations like Uniform Guidance and audit committee workflows. The firm deploys experienced audit teams that handle financial statement audits, federal award audits, and compliance testing with documentation built for regulator-facing review.
- +Risk-based audit planning for financial statement and federal award scope
- +Clear linkage between control findings and management letter communication
- +Broad nonprofit coverage across fund accounting and grant compliance areas
- +Dedicated engagement staffing designed around single audit coordination
- –Tighter grant mapping is required for complex subaward and pass-through chains
- –Internal control documentation depth can vary by team assigned to the engagement
- –Heavier lift is placed on client teams for evidence packaging and reconciliations
- –Automation and API integration are not a primary differentiator in delivery workflows
Best for: Fits when nonprofit audit scope includes Uniform Guidance testing plus board-level reporting and issue resolution support.
Crowe
enterprise_vendorGlobal public accounting firm serving nonprofit organizations with audit, risk, and performance services.
Management letter drafting and control-finding articulation that maps directly to board and grant compliance follow-through.
Crowe performs nonprofit financial statement audits and compliance audits with reporting deliverables aligned to common audit expectations. Its audit workflow emphasizes planning, evidence collection, and opinion-level reporting used for board and grant stakeholders.
- +Audit methodology and reporting outputs fit nonprofit financial statement cycles
- +Federal award audit scoping supports common single-audit decision points
- +Clear management communications format for control findings and follow-ups
- +Experience with grant compliance areas tied to restricted funds and classifications
- –Audit cycle coordination adds scheduling overhead for finance and program teams
- –Automation and system-level integrations are limited compared with audit SaaS tools
- –Evidence organization relies heavily on engagement team process discipline
- –Documentation requests can be broad for complex contribution and in-kind detail
Best for: Fits when nonprofits need a large-firm audit approach for complex financials and grant compliance reporting.
Baker Tilly US
enterprise_vendorAccounting and advisory firm serving nonprofit organizations with audit, tax, and technology consulting.
Engagement teams coordinate formal board-ready reporting packages tied to audit evidence and reconciliation workflows.
Baker Tilly US supports nonprofit audit engagements that span financial statement work and federal compliance reporting needs. The firm’s delivery model is geared toward structured documentation, board-ready communication, and audit-ready support across recurring years.
- +Structured fieldwork-to-report workflow supports consistent year-over-year audit readiness.
- +Clear management communication channels reduce friction around findings review.
- +Experience handling nonprofit accounting complexities across restricted funds and classifications.
- +Produces formal audit deliverables that fit board audit committee review cycles.
- –May require strong internal document organization to keep evidence requests on schedule.
- –Less suitable when audit scope is small and highly specialized compared with niche boutiques.
- –Turnaround depends on timely client responses during evidence and reconciliation stages.
- –Single location reporting needs may still require centralized coordination for schedules.
Best for: Fits when a nonprofit needs coordinated financial statement and federal compliance audit reporting with board-level review artifacts.
Deloitte
enterprise_vendorBig Four accounting firm serving large nonprofit organizations, foundations, and NGOs with audit and assurance services.
Firm-led audit workpaper review process that ties evidence to risk assessments across both financial and grant compliance testing.
Deloitte brings audit delivery scale and global technical depth to nonprofit financial statement audits and compliance engagements. Its engagement model emphasizes assigned audit leadership, documented methodology aligned to generally accepted auditing standards, and disciplined evidence handling across fieldwork and reporting.
- +Audit methodology with consistent evidence documentation and review trails
- +Strong federal award audit staffing for Schedule of Expenditures of Federal Awards support
- +Structured management letter and internal control deficiency communications
- +Cross-functional technical bench for complex nonprofit accounting judgments
- –Requires tight coordination to keep grant compliance schedules audit-ready
- –Limited self-serve tooling for data provisioning compared with software-first vendors
- –Reporting timelines depend on management’s responsiveness to audit evidence requests
- –Workpapers and deliverables usually follow a firm-led workflow over customer-led automation
Best for: Fits when large nonprofits need rigorous audit execution and board-ready reporting for multi-program funding.
RubinBrown
enterprise_vendorCPA firm serving nonprofit organizations with audit, tax, and consulting services across the central US.
Single audit project execution that organizes fieldwork and evidence around federal award testing to keep reporting traceable from grant spend to conclusions.
RubinBrown is a nonprofit audit service firm that differentiates through deep nonprofit accounting experience and audit delivery designed around fund accounting and restricted activity. The firm supports single audit and other compliance-heavy engagements where federal award testing, documentation, and reporting expectations drive the workplan.
- +Nonprofit fund accounting experience tailored to restricted funds and allocations
- +Single audit execution built around federal award documentation workflows
- +Board-ready reporting support that ties results to governance communications
- +Audit evidence handling designed for compliance testing and traceability
- –Implementation guidance for year-end close may require active client coordination
- –Automation and API surface for audit data ingestion is not a native focus
- –Scope breadth can require early scheduling to keep fieldwork on track
- –Specialized capacity may be limited for highly custom reporting formats
Best for: Fits when nonprofits need single audit delivery with clear documentation, internal control communications, and governance-ready reporting.
Wipfli
enterprise_vendorNational CPA firm with a strong nonprofit practice serving associations, social services, and religious organizations.
Findings and management letter documentation are packaged to match board audit committee review workflows, reducing late-stage consolidation work.
Wipfli delivers nonprofit audit and compliance engagements that include planning, fieldwork coordination, and opinion-level reporting aligned to nonprofit reporting requirements. The firm’s audit execution emphasizes documentation control around audit evidence, testing workflows, and reconciliation support for common nonprofit reporting schedules.
- +End-to-end audit workflow management across planning, testing, and reporting phases
- +Clear management letter and findings packaging for governance review cycles
- +Consistent audit evidence documentation practices that reduce rework during review
- +Federal award audit execution aligned to Schedule of Expenditures of Federal Awards support
- –Requires timely finance close and reconciliation readiness to maintain fieldwork throughput
- –Depth on specialized restricted funds accounting varies by engagement team assignment
- –Adds coordination overhead when multiple reporting workstreams run in parallel
- –Framework-level documentation may need additional internal walkthroughs for first-time staff
Best for: Fits when nonprofits need a governance-ready audit report and reliable federal award audit execution support.
PwC
enterprise_vendorBig Four firm providing audit and assurance services to large charitable organizations and international NGOs.
Integrated delivery that combines single audit execution with governance-ready deliverables for audit committees and management reporting.
PwC serves nonprofit audit engagements that involve financial statement audits and compliance testing tied to federal programs and reporting requirements. It is distinct for its depth across audit methodology, documentation standards, and national-account delivery that supports consistent reporting across multi-entity organizations.
- +Methodologically consistent workpapers across complex multi-entity nonprofit structures
- +Breadth for financial statement and compliance procedures in the same engagement
- +Structured communication tied to audit committee expectations and remediation planning
- +Experience aligning audit evidence to board oversight and reporting deliverables
- –Coordination demands increase when documentation and data are spread across departments
- –Tight timelines can compress follow-ups on evidence requests and issue clarifications
- –Nonprofit-specific accounting interpretations may require extra reviewer involvement
- –Engagement outcomes depend heavily on client data readiness and reconciliations
Best for: Fits when nonprofits need a large-firm team for financial statement and federal compliance coverage with strong governance reporting.
Conclusion
After evaluating 10 nonprofit audit, Plante Moran stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.
Use the comparison table and detailed reviews above to validate the fit against your own requirements before committing to a tool.
How to Choose the Right Nonprofit Audit
Nonprofit audit buyers typically evaluate how well an audit firm coordinates financial statement work and compliance testing into governance-ready deliverables. This guide covers Plante Moran, CliftonLarsonAllen, CohnReznick, RSM US, Crowe, Baker Tilly US, Deloitte, RubinBrown, Wipfli, and PwC.
Across these providers, the deciding differences show up in reporting coordination, evidence workflow discipline, and how grant and federal award scope decisions flow into management letter communications. Plante Moran emphasizes firm-led packaging of auditor communications for both management and the board audit committee, while CliftonLarsonAllen ties single audit execution cadence to major program selection and evidence requests.
Nonprofit Audit services that coordinate financial statement and compliance reporting
A nonprofit audit is the combined audit work that produces financial statement assurance and compliance outputs aligned to federal and grant-related requirements, including governance deliverables that support audit committee review. In practice, the work often spans fieldwork planning, audit sampling, evidence requests, and the documentation that connects audit procedures to conclusions across both financial and federal award scopes.
Plante Moran is structured around disciplined audit documentation and management letter communications with actionable internal control themes, with a coordination focus on board audit committee review. CliftonLarsonAllen centers execution cadence on single audit major program selection and management letter issue mapping, using evidence workflows that reduce rework during acceptance and reporting review.
Nonprofit Audit capability signals that determine governance-ready output
Nonprofit audit buyers need coordination that turns financial statement work and grant compliance testing into governance-ready materials for the management team and the board audit committee. Those outputs depend on how each firm links evidence planning to conclusions and how it packages management communications when internal control themes need to land clearly.
Governance packaging of auditor communications
Plante Moran is structured around firm-led reporting coordination that packages auditor communications for management and board audit committee review. Wipfli similarly packages findings and management letter content to match board audit committee review workflows.
Single audit execution cadence tied to major program decisions
CliftonLarsonAllen drives structured single audit execution cadence that ties major program selection to evidence requests and management letter issue mapping. RubinBrown also organizes fieldwork and evidence around federal award testing so reporting stays traceable from grant spend to conclusions.
Federal award risk mapping from scope to reporting outputs
RSM US coordinates nonprofit engagements around federal award risk assessment to connect testing results to audit reporting outputs. Deloitte provides a firm-led audit workpaper review process that ties evidence to risk assessments across both financial and grant compliance testing.
Management letter articulation that connects control themes to follow-through
Crowe is focused on management letter drafting and control-finding articulation that maps directly to board and grant compliance follow-through. Baker Tilly US coordinates formal board-ready reporting packages that tie engagement findings to audit evidence and reconciliation workflows.
Choose by execution model, evidence workflow discipline, and governance delivery requirements
A nonprofit audit selection should start with how audit work flows from planning into evidence requests and then into board-ready deliverables. The differentiator is not whether an engagement covers financial statements and compliance. The differentiator is how scope decisions, fieldwork throughput, and management communications stay aligned during the reporting cycle.
Pick an execution model that matches how internal teams can package evidence
If finance staff can run disciplined document packaging and program-level traceability, CliftonLarsonAllen fits because it ties single audit cadence to major program selection and evidence requests. If internal teams expect heavier coordination overhead, Plante Moran fits when firms package auditor communications for both management and the board audit committee.
Set the scope boundary workflow early for federal programs and major testing
Choose RSM US when federal award scope requires risk-based planning that maps testing results to audit reporting outputs and issue resolution. Choose CohnReznick when the nonprofit needs coordinated audit execution that ties evidence planning to governance deliverables and control-finding packaging.
Decide whether governance deliverables require tighter mapping to board review cycles
Choose Wipfli when findings and management letter documentation must align to board audit committee review workflows to reduce late-stage consolidation. Choose Crowe when board and grant compliance follow-through depends on management letter drafting that clearly articulates control findings.
Assess how complex documentation locations affect fieldwork throughput
Choose PwC when a single large-firm engagement can maintain methodologically consistent workpapers across complex multi-entity nonprofit structures while integrating single audit execution with governance-ready deliverables. Choose Baker Tilly US when the nonprofit needs structured fieldwork-to-report workflow and clear management communication channels to keep evidence requests on schedule.
Evaluate whether the engagement will require grant mapping tightness for grant chains
Choose RSM US with tighter grant mapping discipline when the organization has complex subaward and pass-through chains that must be tied to the audit scope. Choose Deloitte when the nonprofit requires rigorous audit execution with consistent evidence documentation and review trails across multi-program funding.
Nonprofits that match specific audit delivery strengths
Different audit firms in this set optimize for different bottlenecks like evidence acceptance rework, board review alignment, and federal award traceability from grant spend. The right fit depends on how the nonprofit organizes restricted funds, how it coordinates program staff, and how it expects governance materials to be constructed for the audit committee.
Nonprofits with governance-heavy audit committee review processes
Plante Moran and Wipfli both focus on packaging auditor communications for board audit committee review so management letter content and findings land in a governance-ready format.
Nonprofits where federal award scope depends on major program selection and evidence request sequencing
CliftonLarsonAllen and RubinBrown both center the engagement around single audit execution that keeps reporting traceable through federal award testing and management communications.
Nonprofits with multi-program funding that needs risk-tied evidence review trails
RSM US and Deloitte emphasize risk-based or workpaper review processes that connect testing results to audit reporting outputs across both financial and compliance work.
Nonprofits with complex fund accounting and restricted funds allocation needs
RubinBrown’s nonprofit fund accounting experience for restricted funds aligns with engagements that need clear documentation tied to allocations and federal award testing workflows.
Common Nonprofit Audit selection and execution pitfalls
Selection mistakes usually show up as mismatched evidence workflows or deliverable packaging that does not fit internal review timing. Execution mistakes usually show up as late reconciliation readiness or scope ambiguity that compresses follow-ups on evidence requests and issue clarifications.
Choosing a firm for coverage breadth but not for governance packaging style
If board audit committee review expects tightly packaged management letter and findings content, Wipfli and Plante Moran provide workflows designed to reduce late-stage consolidation during governance review.
Waiting until close to align evidence packaging discipline with federal award major program testing
CliftonLarsonAllen’s structured single audit execution depends on program-level traceability from finance teams, so reconciliation and documentation readiness must start early to avoid evidence request rework.
Underestimating grant mapping tightness for subaward and pass-through chains
RSM US requires tighter grant mapping for complex subaward and pass-through chains, so the nonprofit must track program spend flows clearly before testing begins.
Assuming internal control communication will stay actionable without strong reconciliation workflows
Baker Tilly US’s coordinated board-ready reporting packages rely on reconciliation workflows that keep evidence requests on schedule, while PwC’s tight timelines can compress follow-ups if documentation and data are spread across departments.
Ignoring scope boundary alignment between financial statement work and federal compliance scoping
CohnReznick highlights scoping alignment on federal program boundaries, and Deloitte requires tight coordination to keep grant compliance schedules audit-ready for consistent evidence documentation and review trails.
How We Selected and Ranked These Providers
We evaluated Plante Moran, CliftonLarsonAllen, CohnReznick, RSM US, Crowe, Baker Tilly US, Deloitte, RubinBrown, Wipfli, and PwC using weighted capability signals for how audit planning connects to evidence requests and how governance-ready deliverables are packaged. Features carried 40% of the score.
Ease and value each carried 30% of the score. Plante Moran ranked highest because firm-led reporting coordination packages auditor communications for both management and the board audit committee, and its audit documentation ties procedures to conclusions with management letter communications that highlight actionable internal control themes.
Frequently Asked Questions About Nonprofit Audit
What is the difference between a financial statement audit and a Uniform Guidance or single audit scope?
Which firm is best when multiple funding sources require one audit team to manage scope boundaries?
How should a nonprofit prepare its fund accounting schedules so audit sampling and evidence requests stay traceable?
When internal control deficiencies are found, how do management letter communications typically get packaged for the audit committee?
What breaks if grant and subaward data are fragmented across systems before the audit kickoff?
Which firms manage audit workpapers in a way that supports fast audit committee questions during fieldwork?
How do service providers handle audit evidence representation and reconciliation workflows across nonprofit reporting outputs?
Which audit firm is a stronger fit when governance needs emphasize severity framing like significant deficiency or material weakness?
What onboarding and documentation steps reduce rework across recurring audit years?
Tools reviewed
Primary sources checked during evaluation.
Referenced in the comparison table and product reviews above.
Funding and competing interests
This study was co-funded by several of the vendors assessed in it. No single vendor funded it. Funders could propose the market studied.
They had no role in selecting vendors, setting or weighting criteria, analysing data or drawing conclusions, and they received the same factual-accuracy check as every other vendor assessed.
Market definition, inclusion rules and criteria weights were fixed by an editor before research began and did not change afterwards. Editorial process →
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