Anchored to UK statute. Last verified 21 June 2026. View source-of-record.

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The UK M&A Due Diligence Checklist

Lite financial DD scope

Quality-of-earnings checklist (QoE-light)


A QoE-light is the smallest defensible financial DD scope for a sub-£10m EV bolt-on. It validates the EBITDA bridge, documents the normalisations, builds the working-capital twelve-month average and locks the net-debt definition. It does not extend to full statutory-audit-style assurance.

Direct answer

A quality-of-earnings (QoE) review tests reported EBITDA by quantifying every non-recurring, owner-driven or accounting-policy adjustment and reconciling to a defensible "run-rate" earnings figure. The bridge feeds the net-debt definition, the working-capital target and ultimately the SPA completion mechanism. QoE-light scopes the FDD partner's time to a couple of weeks, typically £20-40k.


Schedule II Financial - QoE-relevant clauses

  • II.1
    Obtain audited statutory accounts for the last three financial years.
    Severity A
  • II.2
    Obtain management accounts to the most recent month-end (P&L, balance sheet, cash flow).
    Severity A
  • II.3
    Tie management accounts back to audited results; explain any variance > 2%.
    Severity A
  • II.4
    Obtain trial balance and chart of accounts; map to FDD reporting structure.
    Severity B
  • II.5
    Test revenue recognition policy against FRS 102 or IFRS 15 as applicable.[FRC]
    Severity A
  • II.6
    Identify and quantify all QoE adjustments (non-recurring, owner remuneration, normalisations).
    Severity A
  • II.7
    Build a working-capital normalisation: 12-24 month average, seasonality, day-count.
    Severity A
  • II.8
    Define net debt: cash, debt, debt-like items, IFRS 16 lease liabilities, deferred consideration.
    Severity A
  • II.9
    Obtain monthly KPI pack (volume, ASP, margin) for the last 24 months.
    Severity B
  • II.10
    Test gross-margin walk by product/service line; identify mix-shift effects.
    Severity B
  • II.11
    Reconcile bank statements to ledger cash for each period-end.
    Severity B
  • II.12
    Obtain debtor and creditor ageing; test for overdue balances and concentration.
    Severity B
  • II.13
    Identify any factored or invoice-financed receivables and recourse position.
    Severity B
  • II.14
    Confirm bad-debt provisioning policy and movement over the period.
    Severity C
  • II.15
    Obtain stock listings; test NRV and slow-moving / obsolete provisioning.
    Severity B
  • II.19
    Obtain forecast model (P&L, balance sheet, cash flow) for the next 24 months.
    Severity B
  • II.21
    Identify any post-period-end trading variance vs forecast.
    Severity A
  • II.22
    Confirm cut-off testing: revenue, costs and stock at each period-end.
    Severity B
  • II.23
    Identify any change in accounting policy, estimate or judgement during the period.
    Severity B
  • II.25
    Confirm any covenant compliance reporting to lenders and headroom on each test date.
    Severity A

Tax-DD overlap

  • III.1
    Obtain corporation-tax computations and CT600 returns for the last six years.[CTA 2009]
    Severity A
  • III.2
    Identify any open HMRC enquiries, discovery assessments or pending litigation.
    Severity A
  • III.5
    Review R&D tax-credit claims: methodology, supporting file, advance assurance.[HMRC R&D]
    Severity A
  • III.13
    Review employment-related securities (ERS) returns, EMI option grants and 90-day notifications.
    Severity A
  • III.14
    Confirm EMI option grants meet qualifying-trade and individual-limit conditions.
    Severity A
  • III.15
    Identify any disguised-remuneration or loan-charge exposures.
    Severity A

Reviewed by Oliver Wakefield-Smith, Founder, Digital SignetLast verified 21 June 2026

This page is anchored to UK primary legislation and named regulator guidance only. Not legal advice. Confirm position with your appointed adviser before signing.