PWPM Wiki

Merger & Acquisition Change Log

This is a practical guide to building a change log for a merger & acquisition project — a record of change requests and their decisions, adapted to the realities of planning and executing an acquisition and integration.

What a Change Log is

A change log is a record of change requests and their decisions. For the full concept and how it works in general, see Change Log. On a merger & acquisition project it plays the same role, tuned to this kind of work.

Why it matters for a Merger & Acquisition project

Merger & Acquisition projects live or die on planning and executing an acquisition and integration. A well-built change log gives the team a shared, explicit reference for exactly that — reducing ambiguity, aligning stakeholders, and making problems visible early enough to act. Skipping it, or doing it generically, is how merger & acquisition projects drift into avoidable delay and cost.

What to include

  • Change ID and description
  • Impact assessment
  • Decision and date
  • Updated baselines

Merger & Acquisition-specific considerations

Tailor the change log to the risks that most often derail merger & acquisition projects:

  • Cultural clash and attrition
  • Integration complexity
  • Synergies that never land

Example

On a real merger & acquisition project, the change log would be shaped by planning and executing an acquisition and integration. In particular, it should explicitly account for the project’s biggest risks — cultural clash and attrition, integration complexity, synergies that never land — rather than treating them as afterthoughts.