Quality of earnings

Test whether reported and adjusted earnings reflect recurring operating performance, convert to cash and use consistent accounting before relying on them for value or debt capacity.

Quick answer

A quality-of-earnings analysis examines the composition, consistency, cash conversion and repeatability of reported earnings. In transaction diligence it typically reconciles reported results to management-adjusted and diligence-adjusted measures, tests revenue and expense recognition, separates recurring operations from identified non-recurring items, reviews accounting policies and considers normal working capital and debt-like items. Adjusted EBITDA is a non-GAAP measure whose definition depends on the analysis and transaction documents.

Use the worked example

Meaning and transaction use

The SEC's Chief Accountant states that cash-flow information helps investors assess future cash generation, obligations and differences between net income and cash receipts and payments; investors may use it as a proxy for earnings quality. [S1]

An SEC staff comment letter describes a transaction diligence memorandum focused on historical quality of earnings, management EBITDA adjustments, debt and debt-like items, significant accounting policies and normal working capital. This describes one engagement and does not define every quality-of-earnings review. [S2]

Proposed control method: maintain an adjustment register that reconciles reported, management-adjusted and diligence-adjusted results by period and records source, owner, recurrence, cash effect, accounting treatment and approval.

Worked example

Illustrative analysis only. Assume reported EBITDA is 12.0 million. Management proposes 2.4 million of add-backs. Diligence supports 1.5 million, rejects 0.6 million and identifies 0.3 million of temporary benefit already included in reported EBITDA.

Scroll the table horizontally to view all columns.

Measure	Calculation	Result
Reported EBITDA	Given	12.0m
Supported add-backs	Given	+1.5m
Temporary benefit removed	Given	-0.3m
Illustrative diligence-adjusted EBITDA	12.0 + 1.5 - 0.3	13.2m
Unsupported management add-backs	2.4 - 1.5	0.9m

The illustrative diligence-adjusted EBITDA is 13.2 million. The 0.9 million difference between proposed and supported add-backs remains outside the adjusted result; valuation and agreement treatment require separate decisions.

Proposed transaction review process

Reconcile reported results

Tie trial balances, management accounts and audited statements by period and perimeter.

Test earnings composition

Review revenue, gross margin, payroll, overhead, cut-off, accounting estimates and unusual entries.

Assess adjustments and cash

Test each proposed normalisation and reconcile earnings to operating cash flow and working capital.

Bridge to the transaction

Carry approved findings into valuation, net debt, working capital, covenants and purchase-agreement definitions.

Evidence checklist

Financial record

Audited statements, trial balances, ledgers, management accounts and reconciliations.

Revenue and margin

Contracts, invoices, delivery evidence, credits, backlog, customer data and product margins.

Adjustment support

Invoices, contracts, payroll, board approvals, transaction records and recurrence analysis.

Cash and balance sheet

Bank data, cash-flow statements, receivables, inventory, payables, provisions and debt schedules.

Decision framework

Situation	Proposed action
An add-back lacks evidence	Exclude it from the supported case and record the information required to reconsider it.
Revenue is recognised ahead of performance	Quantify the affected periods and assess the accounting, cash and valuation consequences.
Earnings do not convert to cash	Analyse working capital, capital expenditure, tax and timing before using the earnings measure.
Definitions differ across documents	Reconcile the diligence measure to the valuation model, financing terms and purchase agreement.

Common errors to check

Treating management-adjusted EBITDA as audited or standardised.
Adding back a cost that is expected to recur.
Ignoring cash conversion, working capital and capital expenditure.
Using the diligence result without reconciling transaction definitions.

Reconcile earnings to evidence and cash

Bring the trial balance, management accounts, adjustment schedule and cash-flow evidence to a quality-of-earnings review. Build the supported earnings bridge and carry it consistently into valuation and transaction terms.

Discuss the transaction

Primary references and editorial scope

US SEC: The Statement of Cash Flows
Investor use of cash-flow information, net-income-to-cash differences and earnings-quality context. Reference checked 17 September 2026.
SEC staff comment letter describing a quality-of-earnings diligence scope
Example review of historical earnings quality, EBITDA adjustments, debt-like items, accounting policies and normal working capital. Reference checked 17 September 2026.

Editorial qualification

General transaction education using United States regulatory materials. Figures and adjustments are hypothetical. Accounting conclusions, non-GAAP measures, valuation and purchase-price treatment require transaction-specific accounting, tax, legal and financial review.

General business information. Obtain advice appropriate to the legal, tax, accounting and financing facts. No offer, lender commitment or transaction outcome is represented. All worked examples use expressly assumed figures. Editorial draft date: 17 September 2026.