Due diligence

Pension due diligence

Define pension due diligence, reconcile its inputs and test its effect before approving or documenting the transaction position.

Quick answer

Pension due diligence is a defined transaction concept used to structure, assess, document or monitor a decision in due diligence. In the recorded glossary contexts, teams use it to identify, quantify and allocate transaction risks before commitment or closing.

Use the worked example

Meaning and transaction use

The first source provides an institutional framework relevant to due diligence. This page applies that framework to pension due diligence without treating the source as a universal contractual definition. [S1]

The second source supplies additional transaction or disclosure context. Its examples remain source-specific and require reconciliation to the actual facts and governing documents. [S2]

Proposed review method: record how pension due diligence is defined in buy-side due diligence, vendor due diligence; identify the owner, source inputs, decision rule, approval, dependencies and monitoring evidence; then reconcile the same definition across the model, committee paper and transaction documents.

Worked example

Illustrative pension due diligence review calculation only. All figures are hypothetical.

Scroll the table horizontally to view all columns.

MeasureCalculationResult
Reported EBITDAGiven12.0m
Supported additionsGiven1.5m
Identified reductionsGiven0.5m
Adjusted EBITDA12.0 + 1.5 - 0.513.0m

The illustrative adjustments produce 13.0m of adjusted EBITDA; each adjustment still requires evidence.

Proposed transaction review process

Define the decision

State the decision involving pension due diligence, the relevant contexts and the required approval.

Reconcile evidence

Tie every material input to a dated source, owner and definition.

Test scenarios

Run the base case and the relevant downside, timing and counterparty cases.

Document and monitor

Reflect the approved position in the transaction record and monitor conditions through execution.

Evidence checklist

Governing documents

Executed or proposed terms that define pension due diligence, including amendments and schedules.

Financial evidence

Reconciled historical data, forecast inputs, calculations and sensitivity outputs.

Diligence record

Source documents, specialist advice, open issues and responsible owners.

Decision record

Options considered, approval, conditions, implementation steps and monitoring dates.

Decision framework

SituationProposed action
Definitions differReconcile the model, committee paper and governing documents before approval.
Evidence is incompleteHold the conclusion and request the missing source record.
The downside case failsResize, restructure, mitigate or decline the proposed position.
Terms or facts changeRefresh the analysis, approvals and execution record.

Common errors to check

  • Using an undefined label or inherited assumption as evidence.
  • Applying another transaction's percentage, threshold or timetable without support.
  • Ignoring downside timing, liquidity, counterparty or implementation effects.
  • Leaving the approved position inconsistent across models, papers and documents.

Build the pension due diligence decision file

Bring the governing documents, reconciled inputs, assumptions and decision questions to a structured transaction review.

Discuss the transaction

Primary references and editorial scope

  1. ICAEW: Financial due diligence
    Scope and use of financial due diligence in transactions. Reference checked 18 September 2026.
  2. ICAEW: Commercial due diligence
    Scope and use of commercial due diligence in transactions. Reference checked 18 September 2026.
Editorial qualification

General due diligence education using public sources. Figures are hypothetical. The actual treatment of pension due diligence depends on the facts, executed documents, jurisdiction and qualified legal, tax, accounting, regulatory or technical advice.

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.

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