May 31, 2026

The Real Cost of Delaying DCAA Compliance: A Financial Breakdown

The 2% you may already be losing, withholdings for deficiencies, questioned costs, contracts never won, the remediation tax — prevention vs. remediation math.

"We'll deal with compliance when we need to" is one of the most expensive sentences in government contracting. Not because compliance itself is expensive — it isn't — but because the cost of fixing non-compliance under pressure is an order of magnitude higher than doing it right from the start.

Here's the actual financial math.

The 2% You May Already Be Losing

Under DFARS provisions, the government can withhold 2% of interim payments when your accounting system hasn't been formally evaluated as adequate. This isn't a penalty — it's a default condition for contractors without an approved system.

On a $2 million annual contract, 2% means $40,000 held back from your cash flow. You've earned the money, done the work, but $40,000 sits with the government until your system is approved. For a small contractor operating on tight margins, that cash gap matters.

Getting your system evaluated and approved eliminates this withholding entirely. The cost of achieving that approval — whether through a compliance tool, a CPA engagement, or setting up proper processes — is almost always less than the withholding itself.

What we've seen in practice "DCAA requires accrual basis — revenue and expenses matched to the correct period. But most government contractors prefer cash basis for taxes, especially when AR can sit unpaid across year-end. Accounts receivable balances on federal contracts can be huge — you can bill in December and not see payment until February or March. The cash-flow gap is real, and that's exactly why every percentage point withheld matters."

Sarah Sun, CPA — Wendroff & Associates, CPA

Withholdings for System Deficiencies

When DCAA identifies specific deficiencies in your accounting system, withholdings increase. Significant deficiencies can trigger 5–10% withholdings on interim payments under DFARS 252.242-7006. Material weaknesses can result in withholdings up to the full payment amount.

On a $2 million contract, 10% withholding means $200,000 in delayed cash flow. These withholdings apply across all contracts with that contracting officer — a deficiency found on one contract affects payments on every contract in that jurisdiction.

Questioned Costs: Paying Money Back

When costs charged to a government contract don't comply with FAR cost principles or aren't adequately supported, they're questioned. If the contracting officer agrees with the auditor, you repay.

The exposure can be significant. If your timekeeping system can't adequately support a year's worth of labor charges — because you used spreadsheets without audit trails — the auditor might question the entire year's labor billing. On a cost-reimbursement contract, that could mean hundreds of thousands of dollars.

The Invisible Cost: Contracts Never Won

The largest cost is the one that doesn't show up on any ledger — the contracts you never win because your system wasn't adequate.

When a contracting officer evaluates proposals for a cost-type contract, accounting system adequacy is an evaluation criterion. If your system hasn't been reviewed (or has known deficiencies), a competitor with an adequate system gets the award. No one waits for you to get compliant.

A single lost contract can represent more in forgone profit than years of compliance investment. A $1.5 million T&M contract at 15% fee margin is $225,000 in profit — gone because your accounting system wasn't ready.

The Remediation Tax

When non-compliance is discovered after the fact, fixing it requires more than just implementing a system. You may need to restate financial data for affected periods, recalculate indirect rates retroactively, adjust billings on every affected contract, and engage CPAs or compliance consultants to manage the remediation.

Professional fees for this work commonly run $30,000–100,000, depending on how many periods and contracts are affected. And this doesn't count the internal time your team spends on the effort instead of winning and executing new work.

There's an operational cost layered on top of the financial one. As Brian Wendroff, CPA, frames it:

"Our team knows QuickBooks like the back of their hand. The specialized ERPs — Deltek, Unanet — are harder to navigate and slower to produce the reports we actually need. That delay matters when you're under audit pressure or trying to remediate a finding on a deadline."

Brian Wendroff, CPA — CFO & Co-founder, WiseCost · Founder, Wendroff & Associates, CPA

Prevention vs. Remediation

The prevention cost for a small contractor: a DCAA-compliant timekeeping and labor distribution system runs $1,500–4,000 per year, depending on team size and the tool you choose. Add $2,000–5,000 for a CPA to help set up your chart of accounts and policies. Total: $3,500–9,000 to be audit-ready.

The remediation cost: $40,000+ in withholdings, potential questioned costs in the hundreds of thousands, $30,000–100,000 in professional fees, and unquantifiable lost contract opportunities.

Prevention costs 5–10% of remediation. There is no financial scenario where delaying compliance saves money.

When to Act

The optimal time to set up a compliant system is before your first cost-type contract — when your business is small, your processes are simple, and the implementation is straightforward.

The second-best time is now. Every pay period that passes without proper timekeeping and labor distribution is another period of data that can't be retroactively made compliant. The sooner you start, the less historical exposure you carry.

If you're currently pursuing cost-type opportunities, the decision isn't whether to invest in compliance — it's which approach fits your size and budget. The options range from full ERPs to lightweight tools to manual processes with proper documentation. The important thing is choosing one and implementing it before the contracting officer calls.


Find out where you stand in 5 minutes. Take our free DCAA Readiness Self-Assessment — and start closing the gaps that are costing you money today.


Reviewed by Brian Wendroff, CPA — CFO & Co-founder, WiseCost · Founder, Wendroff & Associates, CPA — and Sarah Sun, CPA — Wendroff & Associates, CPA.