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Quality of Earnings Due Diligence Guide

A company can look profitable on paper and still have financial weaknesses that are easy to miss. Revenue may include temporary gains. Expenses may be unusually low for a short period. EBITDA may contain adjustments that would not hold up under closer review.

That is why Quality of Earnings due diligence plays an important role in acquisitions and business sales. Instead of accepting reported profit at face value, a QoE review examines how the company actually generates earnings and whether those earnings are likely to continue.

For a buyer, this deeper financial examination can help avoid assigning too much value to profits that may disappear once ownership changes. For sellers, it can help explain legitimate adjustments and prepare financial records before negotiations begin. In both cases, the findings can influence valuation, deal structure, purchase price discussions, and the overall confidence surrounding the transaction.

What Is Quality of Earnings Due Diligence?

Quality of Earnings due diligence is a detailed financial review designed to determine how dependable a company’s reported earnings really are.

The analysis typically looks beyond net income and reported EBITDA to examine revenue patterns, operating costs, cash generation, working capital, and unusual transactions.

A company may report strong EBITDA, for example, while benefiting from temporary revenue or unusually low expenses. Another business may appear less profitable because its financial statements include owner-specific costs that would not continue after a sale.

QoE analysis helps separate those items from the company’s normal operating performance.

Understanding the Quality Behind Reported Earnings

High-quality earnings generally come from revenue that can reasonably continue, expenses that reflect normal operations, and financial records that consistently match the economic activity of the business.

Reviewers commonly look for:

  • Sustainable revenue

  • Repeatable earnings

  • Normal operating expenses

  • Dependable cash generation

  • Consistent financial reporting

The goal is not to produce a more attractive number. It is to understand the earnings level the business can realistically support.

How QoE Due Diligence Helps Buyers and Sellers

A strong QoE analysis gives both sides of a transaction a better foundation for decision-making.

It can help confirm reported financial performance, uncover unusual transactions, distinguish recurring activity from temporary events, and determine whether EBITDA adjustments are reasonable.

For buyers, this provides additional protection before capital is committed. For sellers, it can reduce the chance that financial questions appear for the first time during late-stage negotiations.

QoE findings may also affect valuation, working capital discussions, financing decisions, and purchase price negotiations.

Who Relies on Quality of Earnings Analysis?

Buyers

Buyers use QoE work to test the financial story presented by the seller. They want to understand sustainable profitability, cash requirements, customer risk, and potential issues that could affect performance after closing.

Sellers

A seller may commission a QoE review before entering the market. This allows management to identify weaknesses, document legitimate EBITDA adjustments, and prepare explanations before potential buyers begin their own diligence.

Private Equity Firms

Private equity investors often compare several acquisition opportunities. QoE analysis helps them evaluate recurring earnings, expected returns, leverage capacity, and the financial risks associated with each target.

Lenders and Investors

Lenders and investors may focus heavily on cash generation. Reliable earnings can provide useful context when evaluating debt service capacity, financial stability, and future funding requirements.

Financial Areas Investigated During QoE Due Diligence

Historical Financial Performance

The review usually starts with income statements, balance sheets, cash flow statements, and monthly financial results.

Instead of looking only at annual totals, reviewers examine trends to identify unusual changes in revenue, gross margin, operating costs, and profitability.

Revenue Quality

Revenue analysis may include growth patterns, recurring sales, customer concentration, one-time transactions, and revenue recognition practices.

A business with increasing sales but weak collections, for example, may deserve additional investigation.

Operating Expenses

Payroll, occupancy costs, marketing, professional fees, owner-related costs, and transactions involving related parties can all affect normalized profitability.

The analysis seeks to establish a realistic expense base for running the business after temporary, personal, or ownership-specific costs are separated from regular operations.

EBITDA and Earnings Adjustments

Possible adjustments may involve owner compensation, personal expenses, acquisition-related costs, unusual professional fees, temporary income, or genuine non-recurring expenses.

Each adjustment should be evaluated individually rather than automatically added back.

Working Capital

Accounts receivable, accounts payable, inventory, seasonal movements, and normal working capital requirements are examined to understand how much operating capital the business needs.

Cash Flow

A profitable company does not necessarily produce strong cash flow. Reviewers may compare reported earnings with operating cash flow, capital expenditures, and cash conversion to determine how efficiently accounting profit turns into available cash.

Quality of Earnings Due Diligence Process

Step 1: Gather the Financial Records

The process may begin with financial statements, tax returns, general ledger data, bank statements, customer information, and significant contracts.

Step 2: Study Historical Results

Financial performance is compared across months and years to identify trends, inconsistencies, and major changes.

Step 3: Examine Revenue and Customers

The reviewer evaluates customer mix, recurring business, concentration risk, retention patterns, and unusual revenue activity.

Step 4: Determine Potential QoE Adjustments

Items that may not reflect ordinary operating performance are identified and supported with financial evidence.

Step 5: Establish Normalized EBITDA

Reported EBITDA is reconciled to an adjusted figure that better represents expected ongoing performance.

Step 6: Review Working Capital and Cash Generation

The analysis considers operating cash requirements, working capital trends, and whether earnings are converting into cash at a reasonable rate.

Step 7: Investigate Financial Warning Signs

Unsupported adjustments, unusual journal activity, margin deterioration, weak collections, or inconsistent accounting practices may require additional attention.

Step 8: Build the QoE Report

The final analysis typically summarizes earnings trends, normalized EBITDA, identified adjustments, cash flow observations, working capital considerations, and key financial risks.

Step 9: Discuss the Results With the Deal Team

The findings can then be reviewed with buyers, sellers, advisors, lenders, and other transaction participants.

Adjustments Commonly Examined in QoE Due Diligence

Adjustments can materially affect how a business is valued, which makes proper support essential.

Common examples include:

  • Genuine one-time expenses

  • Temporary or non-recurring income

  • Owner compensation adjustments

  • Personal expenses paid by the company

  • Related-party transactions

  • One-time legal costs

  • Acquisition expenses

  • Unusual professional fees

Read QMK Consulting’s Quality of Earnings Adjustments guide for a deeper explanation of how adjustments may affect normalized EBITDA.

When Is an Adjustment Defensible?

A strong adjustment should have clear documentation, a measurable financial effect, and a credible reason why the item would not continue under normal business operations.

If an expense appears every year, calling it “one-time” becomes difficult to justify. Buyers are likely to challenge add-backs that are unsupported or inconsistent with the way the company actually operates.

Quality of Earnings Due Diligence Checklist

Before a review begins, buyers and sellers should be ready to organize:

  • ☐ Historical financial statements

  • ☐ Revenue by customer

  • ☐ Customer concentration data

  • ☐ Recurring revenue information

  • ☐ Expense details

  • ☐ EBITDA reconciliation

  • ☐ Proposed QoE adjustments

  • ☐ Working capital records

  • ☐ Cash flow information

  • ☐ Debt and other liabilities

  • ☐ Related-party transactions

  • ☐ Owner compensation

  • ☐ Tax returns

  • ☐ Major customer and vendor agreements

  • ☐ Documentation supporting adjustments

For additional preparation guidance, see QMK Consulting’s Quality of Earnings Checklist.

Financial Warning Signs a QoE Review May Uncover

Several findings may justify deeper investigation.

These include revenue growing faster than cash collections, large EBITDA add-backs, expenses repeatedly classified as exceptional, dependence on a small group of customers, aggressive revenue recognition, unusual related-party activity, weakening margins, inconsistent reporting, or significant working capital needs.

Finding one of these issues does not by itself mean a buyer should walk away from the transaction. The more important question is how large the financial effect is, why the issue occurred, whether it is likely to continue, and how it should influence the proposed deal terms.

Quality of Earnings Review Compared With a Financial Audit

A financial audit and a QoE review serve different purposes.

An audit focuses primarily on whether financial statements are presented appropriately under the relevant accounting framework. It tests financial statement assertions and provides audit assurance.

QoE work is more transaction-oriented. It studies recurring profitability, EBITDA normalization, cash flow, working capital, and risks that may matter specifically to a buyer or seller.

A QoE engagement should therefore be viewed as a different financial analysis, not as a substitute for an independent audit.

How QoE Findings Can Influence Business Valuation

Many transaction valuations begin with a relationship similar to:

Normalized EBITDA × Valuation Multiple = Enterprise Value

That makes normalized earnings especially important.

Well-supported adjustments may increase normalized EBITDA. Unsupported add-backs can have the opposite effect if a buyer removes them.

Earnings quality may also influence the valuation multiple itself. A company with predictable revenue, stable margins, strong cash conversion, and reliable reporting may be viewed differently from a business with volatile earnings or weak financial controls.

For sellers, preparing early can make valuation discussions much easier to defend.

Comparing Buy-Side and Sell-Side QoE Reviews

Buy-Side Review

A buyer typically focuses on sustainable earnings, financial risk, the validity of seller adjustments, working capital requirements, and protection against paying for profit that may not continue.

Sell-Side Review

A seller is usually more concerned with presenting financial information clearly, discovering issues before buyers do, supporting reasonable adjustments, and reducing uncertainty during negotiations.

The underlying analysis may overlap, but the perspective and objectives differ.

Factors That Shape the QoE Review Timeline

The amount of time required to complete a QoE review depends heavily on the circumstances of the business and the transaction.

Company size, transaction complexity, accounting record quality, the number of historical periods being examined, the number of legal entities involved, document availability, and the complexity of the company’s revenue model can all influence the pace of the engagement.

A business with organized monthly records and readily available supporting documents may move through the analysis more efficiently than one requiring extensive reconciliation or explanations for inconsistent financial data.

How Quality of Earnings Review Fees Are Determined

The price of a Quality of Earnings engagement is generally based on the scope and difficulty of the financial work rather than a single standard fee.

Important factors can include business size, transaction value, number of entities, accounting record quality, complexity of revenue and expenses, and how deeply the financial information needs to be analyzed.

A smaller owner-operated business with clean records will generally require a different level of work from a multi-entity company with several locations and complex revenue streams. Defining the required scope before the engagement begins helps determine what level of analysis is appropriate for the transaction.

How QMK Consulting Supports Quality of Earnings Due Diligence

QMK Consulting helps business owners, franchise operators, buyers, and sellers better understand the financial performance behind a transaction.

Our advisory work can include Quality of Earnings analysis, EBITDA normalization, financial due diligence, business valuation support, M&A advisory, sell-side preparation, and broader financial analysis.

For franchise and multi-unit businesses, the review can also help reveal location-level profitability, cash flow concerns, operating inefficiencies, and financial trends that may affect future growth.

Frequently Asked Questions About QoE Reviews

How should Quality of Earnings due diligence be understood?

It is a transaction-focused financial analysis that examines how much of a company’s reported profit is supported by normal, repeatable business activity.

Which financial areas are normally examined during QoE work?

A review can cover revenue, operating costs, customer trends, EBITDA adjustments, cash flow, working capital, accounting consistency, and other factors that may affect sustainable earnings.

Why do M&A transactions often include QoE analysis?

It gives deal participants more information about the financial performance underlying the purchase price and can reveal issues that basic financial statements may not show clearly.

How does a QoE engagement fit within broader financial due diligence?

Financial due diligence can cover many areas of a transaction. QoE analysis concentrates more specifically on earnings sustainability, normalization, cash generation, and related financial risks.

How is a QoE engagement different from an independent audit?

The audit addresses financial statement reporting and assurance. The QoE engagement is designed around transaction questions, including normalized profit and risks relevant to the proposed deal.

Which adjustments are often considered during a QoE analysis?

Examples can include documented one-time expenses, owner-specific costs, unusual income, acquisition expenses, and other items that do not represent normal operations.

Can Quality of Earnings analysis change business value?

Yes. Changes to normalized EBITDA or concerns about the reliability of future earnings can influence valuation assumptions and negotiations.

Who usually conducts QoE work?

Qualified accounting, financial due diligence, transaction advisory, and M&A professionals commonly perform this type of analysis.

What affects how quickly a QoE review can be completed?

Record quality, business complexity, the number of entities, the scope of analysis, and the availability of supporting information all affect timing.

Should a seller consider QoE work before going to market?

It can be valuable. Reviewing the financials before buyers begin diligence gives the seller an opportunity to identify weaknesses, organize documentation, and prepare support for legitimate adjustments.

Make Better Decisions With Clearer Financial Information

Buying or selling a business is difficult enough without uncertainty around the numbers.

A carefully prepared Quality of Earnings review can provide a clearer view of recurring profitability, cash flow, and financial risk before important transaction terms are finalized.

If you are preparing for a transaction or want a better understanding of your franchise’s financial performance, QMK Consulting can provide a complimentary profit and cash flow analysis to identify the numbers that deserve closer attention.