Why Your M&A Synergy is Dying in a VDR

M&A success is determined by integration, not the deal. Learn how to bridge the governance gap and capture deal value.

John Hotham6 June 20261 min readM&A

M&A Hero
M&A Hero

The deal is only 20% of the work. The remaining 80% is integration. Most M&A failures in the UK mid-market stem from a 'governance gap' where due diligence findings are never operationalised. If your integration plan is a separate spreadsheet, you have already lost.

What is Post-Merger Integration (PMI)?

Definition: Post-Merger Integration (PMI) is the process of combining businesses to materialise the synergies that justified the deal. It requires a unified view of governance, systems, and people.

M&A Detail
M&A Detail

Action List for Deal Success

  • Use a unified platform for both due diligence and integration to ensure continuity of knowledge.
  • Map target company risks directly into your GRC framework for immediate remediation.
  • Ensure the board has real-time visibility on integration KPIs, not just deal costs.

M&A ROI
M&A ROI

ROI Point: Effective integration planning can accelerate synergy realisation by 6 months; this directly impacts the IRR of the transaction.

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