How long a Quality of Earnings review actually takes

Quality of Earnings review timelines vary by deal size and complexity. Learn what drives speed vs. cost and how to plan your diligence calendar.

Timeline showing quality of earnings review stages from data collection through final report delivery

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Paola Vargas
Content Lead, Outsourcing Processing — M&A financial due diligence & earnings analysis

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You’ve got an LOI signed. Your lender is asking for a Quality of Earnings report. Your deal team is asking whether you should even order one. And your biggest unanswered question is simple: how long is this actually going to take, and will it cost more than it’s worth on a $3 million EBITDA business?

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A full, licensed Quality of Earnings engagement can stretch anywhere from 4 to 12 weeks depending on the target’s accounting maturity, financial statement complexity, and add-back documentation. For a small acquisition under $10 million in deal value, that timeline often means a $15,000 to $25,000 bill and calendar days you don’t have. Worse, diligence can stall entirely if the seller’s books are disorganized or your deal falls apart before the report is even finished. So buyers and advisors are asking: what actually drives the timeline, and what shortcuts exist without sacrificing the core math?

What a Full Quality of Earnings Engagement Actually Includes

A traditional Quality of Earnings review from a licensed CPA firm covers much more than normalized earnings calculation. The engagement typically includes:

  • Financial statement restatement (ensuring compliance with GAAP or a defined standard)
  • Account-by-account audit of three years of historical records
  • Verification of add-backs against source documents (contracts, invoices, board minutes)
  • Working capital analysis and normalized working capital calculations
  • Seller discretionary expense (SDE) identification and normalization

Each of these work streams requires coordination with the seller’s accounting team, back-and-forth on documentation, and CPA judgment calls on what qualifies as a legitimate add-back. That coordination alone—waiting for responses to document requests, clarifying one-off transactions, chasing down support for claimed expenses—often accounts for half the elapsed time.

The 4-to-12-Week Range: Breaking Down the Timeline

Weeks 1–2: Kick-off and Data Request

The engagement starts with a data request and initial discovery call. Your CPA firm defines what financial records they need, and the seller’s controller starts gathering supporting documentation. If the seller has clean, well-organized records, this phase moves fast. If the seller has been storing receipts in a shoebox or relying on a bookkeeper with no formal training, this phase can stall. Typical turnaround for the seller to compile and deliver the data package is 5 to 10 business days. Nothing happens until the data arrives.

Weeks 2–6: Analysis and Add-Back Verification

The CPA team digs into the financials, builds normalized schedules, and begins the tedious work of reviewing every claimed add-back. For each add-back (related-party rent, owner auto, consulting expenses), they verify the amount, confirm it appeared on the target’s financial statements, and judge whether it qualifies as non-recurring or owner-specific. They may also perform analytical procedures—comparing margins across periods, checking for anomalies, stress-testing assumptions. This is the longest phase. Back-and-forth questions to the seller (“Can you provide the lease agreement?” “Who was the consulting firm and what did they do?”) are normal and can cause multi-week delays if the seller is slow to respond or if the business lacks documentation.

Weeks 6–10: Review, Drafting, and Seller Commentary

Once the analysis is substantially complete, the CPA firm drafts the Quality of Earnings report, often including a draft section sent to the seller for factual corrections. The seller reviews, disputes certain add-backs, or provides additional documentation. A back-and-forth cycle of 2 to 4 rounds is common. Disagreements over what constitutes a legitimate adjustment can extend this phase significantly.

Weeks 10–12: Final Report and Delivery

After seller comments are resolved, the final report is issued. Total elapsed time: 8 to 12 weeks, and that’s assuming the seller responds promptly at every stage.

Why Timelines Slip (And How to Anticipate It)

A Quality of Earnings review rarely finishes in 4 weeks unless the target is a very small, simple business with three clean years of books and no controversial add-backs. Common reasons for delays:

  • Seller responsiveness. If the seller’s controller is handling requests ad-hoc or the business is understaffed, data requests can take weeks instead of days. Prioritize responsiveness in your purchase agreement or LOI terms.
  • Add-back documentation gaps. If the seller claims a $200,000 add-back for owner discretionary bonuses but has no board minutes or employment agreements to support it, the CPA will push back. You’ll spend weeks building or reconstructing support, or the add-back gets disallowed.
  • Accounting system changes or period closes. If the target switched accounting software mid-period, converted inventory methods, or had a messy period-end close, the CPA team may need to restate months of activity. This compounds the analysis phase significantly.
  • Dispute resolution. If the buyer and seller disagree sharply on whether certain expenses are truly non-recurring, or if the CPA firm flags items the seller contests, resolving those disputes can add weeks.

Cost Versus Timeline Trade-offs

Larger, more complex deals justify a full, traditional Quality of Earnings engagement. A $50 million acquisition with multiple business lines, complex revenue recognition, and significant add-backs warrants 10 to 12 weeks and a $40,000 to $75,000+ budget. A $3 million EBITDA acquisition often does not. Many small-business buyers face a real dilemma: pay $15,000 to $25,000 and wait 8 to 10 weeks for a full engagement, or skip the review entirely and risk overpaying for earnings that don’t hold up under scrutiny.

Some buyers hire a CPA for a lighter-touch engagement—reviewing 12 months of actuals and the prior two years’ tax returns without a full financial restatement or multi-year analysis. This might cost $5,000 to $10,000 and take 3 to 4 weeks. Others use their internal accounting team or a fractional CFO to normalize earnings themselves, then have a CPA spot-check the work. Neither approach is a licensed Quality of Earnings report, but both can surface major red flags and give you confidence in the normalized earnings number.

A Faster First Pass: Organizing the Math Without the Full Engagement

For buyers and advisors evaluating smaller deals, a common middle ground is to calculate and organize normalized earnings independently—identifying add-backs, organizing them by category, and calculating adjusted EBITDA or SDE yourself—then have a CPA review the calculation for reasonableness. This approach uses tools and templates designed to structure the math clearly rather than reproduce a full audit. Platforms like Outsourcing Processing calculate and organize normalized EBITDA and SDE data based on the target’s tax returns, bank statements, and seller questionnaires, creating a clear, auditable schedule the buyer can review and adjust. The work is human-reviewed, never auto-applied, and designed as a faster first pass for smaller acquisitions rather than a full licensed engagement. A buyer can generate a normalized earnings summary in 2 to 3 weeks instead of 8, at a fraction of the cost, and then decide whether the deal warrants a deeper dive.

This approach is not a substitute for a traditional Quality of Earnings engagement on larger or more complex deals—those still warrant a full licensed engagement. But on smaller acquisitions where speed and cost efficiency matter, organizing the data first lets you validate the earnings number before you incur the time and expense of a full engagement. If the normalized earnings look sound, you move forward. If they don’t, you’ve caught the issue early without burning weeks and tens of thousands of dollars on a deal that may not survive diligence.

Planning Your Diligence Calendar

If you decide a full Quality of Earnings engagement is necessary, plan for 8 to 10 weeks of elapsed time and budget accordingly. Build in buffer time. Coordinate the engagement kick-off as soon as your LOI is signed. Make seller responsiveness a contract requirement—delayed data requests directly delay the engagement. If you’re using a faster first-pass approach, plan for 3 to 4 weeks and clarify upfront that it’s a snapshot review, not a licensed engagement.

The real question is not whether a Quality of Earnings review will take time—it will. The real question is whether that time and cost buy you enough confidence in the earnings number to justify the investment. On a $3 million EBITDA deal where the add-backs are straightforward and the seller’s books are clean, a $5,000 to $10,000 lighter-touch review or a faster first-pass calculation may be enough. On a $10 million deal with legacy accounting systems and contested add-backs, a full engagement is worth the 10 weeks and $25,000 investment. Match the rigor to the deal size and complexity, not to a calendar wish.

This article is educational and does not constitute M&A, investment, or accounting advice — confirm findings with a licensed CPA or M&A advisor before making an offer.

Frequently Asked Questions

How long does a Quality of Earnings review take if the seller’s books are clean?

Even with well-organized, clean records, a full licensed Quality of Earnings engagement typically takes 6 to 8 weeks. The timeline is driven less by accounting quality and more by the work scope—financial restatement, add-back verification, and report drafting each require time. Cleaner books reduce back-and-forth delays, but don’t eliminate the core analysis work. A lighter-touch review or faster first-pass calculation can be completed in 2 to 4 weeks.

What causes a Quality of Earnings review to take longer than expected?

Slow seller response to document requests, missing support for claimed add-backs, disputes over what qualifies as a legitimate adjustment, and accounting system changes mid-period are the most common culprits. If the seller’s accounting team is understaffed or the business lacks formal documentation, plan for delays. Building these contingencies into your diligence timeline helps prevent deal calendar slip.

Is a full Quality of Earnings engagement necessary on every small acquisition?

No. For deals under $5 million with straightforward add-backs and clean records, a lighter-touch CPA review or a structured first-pass calculation of normalized earnings may provide sufficient confidence. A full engagement is most justified when the deal is larger, add-backs are complex or contested, or the seller’s accounting is underdeveloped. Align the engagement scope to deal risk, not to a fixed rule.

Can I calculate normalized earnings myself and then have a CPA review it?

Yes. Many smaller-deal buyers calculate and organize add-backs themselves using structured templates or platforms, then hire a CPA for a spot-check review rather than a full engagement. This approach is faster and cheaper than a full engagement, but does not replace a licensed Quality of Earnings report for deals that warrant full rigor. Confirm with your lender or investment committee whether this approach meets their requirements.

What’s the difference between a Quality of Earnings review and a full audit?

A Quality of Earnings review focuses on normalized earnings, add-backs, and one-time items relevant to deal valuation. A full audit is a comprehensive, opinionated financial statement audit under GAAP standards, typically required for larger deals or by certain lenders. A Quality of Earnings review is narrower and faster. Most small acquisitions use a Quality of Earnings review, not a full audit.

This article is educational and does not constitute M&A, investment, or accounting advice — confirm findings with a licensed CPA or M&A advisor before making an offer.

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