PWPM Wiki

Merger & Acquisition Business Case

This is a practical guide to building a business case for a merger & acquisition project — the justification that weighs the costs, benefits and risks of doing the project, adapted to the realities of planning and executing an acquisition and integration.

What a Business Case is

A business case is the justification that weighs the costs, benefits and risks of doing the project. For the full concept and how it works in general, see Business Case. 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 business case 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

  • Problem or opportunity
  • Options considered
  • Costs and benefits
  • Financial appraisal (ROI/NPV/IRR)
  • Recommendation

Merger & Acquisition-specific considerations

Tailor the business case 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 business case 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.