Financial Due Diligence Services: Quality of Earnings Reports

Financial due diligence (FDD) is the close, independent review of a company’s business and financials before a sale, merger, acquisition, or investment. This includes a review of revenue and expenses as well as working capital, debt and cash flow. A quality of earnings (QofE) report is the deliverable that shows how much of the reported profit is real and repeatable. If you’re buying a business, the report helps you determine what you are paying for to support the price you are paying. If you’re selling one, it helps you defend your asking price before a buyer starts poking holes in it.

What Is Financial Due Diligence and How Does It Relate to a Quality of Earnings Report

Financial due diligence is a structured investigation into the historical performance and financial condition of a company involved in a transaction. Instead of taking the seller’s income statement at face value, an experienced team builds the numbers from source data, tests the assumptions behind them, and flags anything that would change the value of the deal.

A QofE report is where that work is summarized. The report normalizes earnings by stripping out one-time gains, owner perks, and accounting choices that make a business look more profitable than it is. What remains is a cleaner picture of adjusted EBITDA, the figure most buyers and lenders use to set a price. In practice, financial due diligence services and the quality of earnings reports go together. One is the process, and the other is the evidence that comes out of it.

What a Quality of Earnings Report Reveals About a Deal

A quality of earnings report answers a single, high-stakes question: are these earnings sustainable, or are they propped up by things that will not repeat? Reviewers separate recurring revenue from nonrecurring items, trace cash flow against reported income, and look for the gaps that headline financial statements tend to hide.

The report typically examines revenue quality and customer concentration, margin trends over time, working capital patterns, and the debt-like items that affect the financial purchase price. When earnings are well supported, negotiations move faster and focus on strategy rather than arguments over accounting treatment. When they’re not, the report gives a buyer room to renegotiate before signing, and it gives a seller a chance to fix problems before they surface during deal negotiations. Every deal carries risk, and much of that risk never shows up in a summary income statement. A good QofE report brings it into the open.

Why Financial Due Diligence Matters for First-Time Buyers and Sellers

For a first-time buyer or seller, financial due diligence is the difference between negotiating on facts and negotiating on hope. Smaller and first-time deals carry more risk than people expect, precisely because the transaction feels manageable and the review gets rushed. Unverified financials, informal agreements, and thin documentation are easy to wave past when everyone is eager to close.

A buyer who skips the review can inherit revenue that does not recur, liabilities nobody disclosed, or working capital that runs dry weeks after closing. A seller who skips it can walk into a buyer’s diligence unprepared and lose leverage the moment a question goes unanswered. The information gathered during the due diligence process also doubles as a roadmap for the transition, pointing to where systems, staffing, or additional investment will be needed.

Choosing the Right Quality of Earnings Report for Your Deal Size

Not every transaction needs the same depth of review, and matching scope to deal size keeps cost proportional to risk. A smaller acquisition with clean books and a single revenue line may call for a focused, limited-scope report that confirms earnings and working capital. A larger or more complex deal, one with multiple entities, mixed revenue models, or aggressive prior-year adjustments, warrants a fuller engagement that digs into segment-level detail and forward projections.

Timing matters as much as scope. A sell-side report prepared before going to market lets you view the business through a buyer’s eyes and address weak spots early. A buy-side report keeps you disciplined once a deal is on the table. The right choice depends on the size of the check, the complexity of the target, and how much certainty you need before you commit. An experienced advisor can size the engagement so you are neither underprepared nor paying for analysis that the deal doesn’t require.

Get a Quality of Earnings Report from Insero Advisors

Deals move fast, and the team you bring in should move with you. At Insero Advisors, our transaction advisory group delivers financial due diligence services and quality of earnings reports for buyers, sellers, and lenders across the deal lifecycle. We assess normalized EBITDA, working capital, and financial reporting risk, then produce well-supported documentation designed to help substantiate the earnings on the table. We work alongside your deal team under real deadlines and stay involved through close. Our FDD services are built to give you clarity before you sign, not questions after.

To learn how our advisors can support you through each stage of the transaction process, from letter of intent through close, reach out to schedule a consultation today.