Nonprofit organizations face a fork in the road: invest in accounting software to handle finances internally, or hire a professional audit firm to validate your books and prepare Form 990. Both approaches serve different needs, and the right choice depends on your organization's size, complexity, and risk tolerance.
Why Nonprofits Need Both—But Not Necessarily at Once
Accounting software like QuickBooks Online for Nonprofits, Aplos, or Blackbaud handles day-to-day transaction recording, grant tracking, and fund accounting. Professional auditors and Form 990 preparers, on the other hand, verify that your software-generated records are accurate, compliant, and ready for the IRS and your donors.
The critical distinction: software automates entry and reporting, while audits validate and attest. A nonprofit under $250,000 in annual revenue might operate years using only quality accounting software. But once you exceed that threshold—or receive government grants, or operate multiple programs—professional audit services become essential.
Accounting Software: Build Your Foundation
Nonprofit-specific accounting software typically costs $50–$300 per month, depending on features and user count. These platforms handle:
- Fund accounting (restricted vs. unrestricted funds)
- Grant and donation tracking by funder
- Multi-entity consolidation
- Automatic journal entries and reconciliation
- Preliminary financial statements
Setup takes 2–6 weeks if you start fresh. If you're migrating from spreadsheets or generic software, expect a longer onboarding. Most vendors offer training, documentation, and support.
When this is enough: Your nonprofit has straightforward funding sources, no government contracts, and stays below your state's audit threshold (often $250,000–$500,000 in total expenses).
Professional Audit Services: Compliance and Credibility
An external audit verifies that your books are accurate and your financial statements are presented fairly. Audit costs range from $3,000–$15,000+ annually for small nonprofits, scaling higher for larger organizations or those with government funding.
Beyond the audit itself, many audit firms offer:
- Form 990 preparation (tax return filing)
- Form 990-N filing (e-postcard for organizations under $50,000)
- Single Audit services (required if you received $750,000+ in federal funds in a fiscal year)
- Compliance consulting (grant requirements, documentation, risk areas)
A typical nonprofit audit takes 4–8 weeks, with the fieldwork phase requiring 1–2 weeks on-site or remote access to your records. Your accounting software must be audit-ready: transactions dated correctly, reconciliations complete, supporting documentation organized.
The Practical Workflow: Software + Services
Here's how organizations typically integrate both:
- Year-round: Use accounting software to record transactions, reconcile accounts monthly, and track restricted funds.
- Month 11–12: Engage your audit firm; they'll request bank statements, grant agreements, board minutes, and a trial balance from your software.
- Post-fieldwork: Address audit findings (usually minor control improvements or documentation gaps).
- Form 990 filing: Your auditor prepares the return, you review and approve, then file by the IRS deadline (typically 5.5 months after fiscal year-end for 501(c)(3) organizations).
Key Differences at a Glance
- Internal vs. External: Software is managed in-house; audits are performed by third-party firms.
- Frequency: Software runs continuously; audits happen once per fiscal year (or as required by funders).
- Cost-benefit: Software prevents errors; audits detect and quantify them, plus provide donor and grant-maker confidence.
- Regulatory trigger: Most states require audits above a certain threshold, regardless of whether you want one.
Choosing Between Them (Or Both)
Ask yourself:
- Does your state require an audit at your current revenue level?
- Do major funders (government, foundations) mandate external audits in grant agreements?
- Do you have staff experienced in nonprofit accounting, or is that a gap?
- How much financial complexity are you comfortable managing internally?
If you're growing fast or managing multiple funding sources, investing in both—software for day-to-day accuracy and audits for annual validation—is the most efficient path. If you're early-stage and stable, quality software alone may be sufficient until your scale changes.
Finding a reputable audit firm that understands your nonprofit's mission and funding structure is crucial. Platforms like Mercoly help you compare and connect with trusted Audit & Form 990 Services providers who specialize in your nonprofit's sector and size.
Frequently Asked Questions
Q: Do I need an audit if I use nonprofit accounting software? Audits are determined by state law and funder requirements, not by which software you use. Your software ensures your records are accurate; an audit verifies they're correct and compliant.
Q: How much should I budget for accounting software plus an annual audit? Expect $600–$3,600 annually for software, plus $3,000–$15,000 for an audit, depending on your organization's complexity and size. Larger nonprofits or those with significant government funding pay more.
Q: Can my audit firm help me choose accounting software? Many do. Reputable audit firms will review your current setup and recommend platforms that work well with their audit procedures, saving you time and reducing back-and-forth during the audit fieldwork.
Start by evaluating your organization's size, funding structure, and regulatory environment—then match yourself with the right software and audit partner for your nonprofit's stage.