How to prepare a nonprofit for its annual audit or Single Audit
Audit preparation comes down to three things: close the books cleanly, build an indexed evidence package, and make every number traceable from its source through the general ledger to the financial statements. Start two to three months before year-end, earlier if you face a Single Audit. A Single Audit is required when a nonprofit expends 1 million dollars or more in federal awards in a fiscal year, the current threshold under Uniform Guidance. The goal is not simply to pass the audit; it is to hand the auditor a trail they can follow with evidence at every step.
Standard audit versus Single Audit
Most nonprofits face one of two audits, and they are not the same job. Know which one applies before you start.
Area | Standard financial statement audit | Single Audit (Uniform Guidance) |
|---|---|---|
Primary focus | Financial statement accuracy, GAAP compliance, and internal controls over financial reporting. | The financial statements plus compliance with federal award rules under 2 CFR 200. |
What triggers it | State law, a lender, or a funder's requirement. | Expending 1 million dollars or more in federal awards in a fiscal year. |
Key deliverables | Independent auditor's report and audited financial statements. | The above plus a Schedule of Expenditures of Federal Awards and a Data Collection Form (SF-SAC). |
The Single Audit threshold rose to 1 million dollars for fiscal years beginning on or after 1 October 2024, up from the long-standing 750,000 dollars, in the 2024 revision of Uniform Guidance. The same revision raised the de minimis indirect cost rate to up to 15 percent of modified total direct costs, from 10 percent. Confirm the figures that apply to your fiscal year against 2 CFR 200.
The audit-readiness checklist
A well-run audit follows the same sequence every year. Work these eight steps and fieldwork becomes routine.
Step | What it involves |
|---|---|
1. Set the timeline and scope | Confirm the auditor engagement and fieldwork dates, request the Provided-by-Client (PBC) list early, and determine whether federal spending triggers a Single Audit. |
2. Close the books | Reconcile bank, investment, and credit-card accounts through year-end; review receivables, pledges, and payables; update fixed assets and depreciation; reconcile payroll; and confirm revenue and expense cutoff. |
3. Verify net asset classification | Confirm net assets with donor restrictions versus without, prepare the schedule of releases from restriction, and check multi-year pledges and endowments. |
4. Build the evidence package | Assemble the trial balance, general ledger, draft financial statements, accounting policies, and a reconciliation or supporting schedule for every material balance, in folders that match the auditor's PBC index. |
5. Handle grants and the SEFA | Maintain a grant-by-grant schedule tying expenditures back to the ledger, and prepare the Schedule of Expenditures of Federal Awards with award numbers, agencies, and pass-through entities, plus subrecipient monitoring and procurement records. |
6. Document internal controls | Show who reconciles accounts, reviews payroll, and approves entries; demonstrate segregation of duties and, for a Single Audit, controls over federal awards, allowable costs, and procurement. |
7. Track prior findings | Prepare a corrective-action tracker for last year's findings and be ready to show the fixes actually operated during the current year, not just that a plan exists. |
8. Do a management review | Before fieldwork, surface accounting changes, new grants or debt, related-party transactions, litigation, going-concern questions, fraud risks, and events after year-end, and document management's conclusions. |
The document checklist auditors ask for
The PBC list varies by auditor, but the categories rarely do. Have these ready and organized before fieldwork.
Category | Documents |
|---|---|
Governance | Board minutes, conflict-of-interest disclosures, organizational chart, and current policy manuals. |
Revenue and grants | Grant contracts and award letters, pledge agreements, and revenue recognition schedules. |
Payroll and expenses | Payroll tax filings, W-2 and W-3 reconciliations, time-allocation records, and major vendor invoices. |
Single Audit specifics | The SEFA, written procurement policies under Uniform Guidance, subrecipient monitoring files, and the indirect cost rate agreement or de minimis election. |
The real goal is traceability
Passing an audit is not about producing a binder the week before fieldwork. It is about being able to trace any number the auditor points at, from the award or gift that generated it, through the transaction that recorded it, to the general ledger, to the line on the financial statements, with evidence at each step. When the books are kept that way all year, the audit is a review of work already done. When they are not, it becomes a scramble that invites findings. The organizations that sail through audits are the ones whose records were traceable long before the auditor arrived.
Where Numetix fits
The best audit preparation is not a project, it is a byproduct of clean books. Numetix keeps nonprofit accounting audit-ready year-round: a fast monthly close, reconciliations on every material account, correct net-asset and fund classification, a grant-by-grant schedule that ties to the ledger, and the internal controls an auditor tests. When audit season arrives, the evidence package is assembly, not archaeology. Numetix does this inside the platform a nonprofit already uses, QuickBooks Online, Sage Intacct, Blackbaud Financial Edge NXT, MIP, or Aplos.
Across more than 40 nonprofits and over 25 million dollars in grants managed, Numetix holds 95 percent accuracy on restricted-fund tracking and 99 percent fund-tracking accuracy overall, files Form 990 on time 100 percent of the time, and has zero missed funder deadlines, which is what it looks like when the books are ready for an auditor before one is even scheduled.
The short version
Start two to three months out, close and reconcile the books, verify net-asset classification, build an indexed package matching the auditor's PBC list, prepare the grant schedule and, above 1 million dollars in federal awards, the SEFA and Single Audit materials, document your controls, track prior findings, and do a management review. Above all, keep the trail traceable from award to financial statements. Do that year-round and the audit stops being an event.
Thresholds and rates cited here reflect the 2024 revision of Uniform Guidance (2 CFR 200) and apply to fiscal years beginning on or after 1 October 2024; confirm the figures for your fiscal year. This page is general information, not legal, tax, or audit advice. Numetix figures reflect its nonprofit client base as of the date above and may change.
Numetix is an AI-first accounting firm. AI runs the bookkeeping, tax, payroll, and reporting workflow. Industry experts handle the judgment, month-end close, review, and advisory. We serve founder-led service firms across law, consulting, IT, healthcare, creative, and nonprofit. Headquartered in California, serving clients nationwide.
Suggested Readings
Nonprofit chart of accounts: it is the dimensions, not the template
What an auditor wants to see in a nonprofit's grant and restricted fund documentation
How to track restricted versus unrestricted funds in a nonprofit
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