Top Post Merger Integration Consulting Firm

Change Mergers and acquisitions can generate bold opportunities—yet too many stall during the integration phase. At Stonehill, we help organizations turn M&A into value creation, not value erosion. From large-scale global consolidations to platform build-outs and carve-outs, our specialist team brings strategic clarity, operational discipline and human-centered change to make deals work.

We combine our strengths in innovation, cybersecurity and process design to tackle the full spectrum of post-merger integration challenges: aligning leadership, orchestrating systems and culture, capturing synergies, and embedding new ways of working. For CEOs, private-equity sponsors and corporate boards, Stonehill delivers integration with impact—not just a checklist.

Our Services

• Integration Strategy & Value Architecture - Define the target operating model, synergy hypotheses and roadmap that bridge deal thesis to execution—ensuring every step is designed to deliver measurable value.

• Day 0 / Day 1 Readiness & Launch - Mobilize the integration management office, ensure readiness across people, process, technology and governance, and execute a smooth transition from close to operation.

• Work-stream Execution & Synergy Capture - Drive cross-functional execution—aligning IT, operations, HR, finance, and sales—to accelerate synergies, eliminate duplication, and realize cost and growth outcomes.

• Sustain & Embed New Operating Model
  Establish the metrics, governance, leadership behaviors and culture to embed the integration long-term—ensuring the newly combined organization performs better, not just different.

Integration isn’t just a phase, it’s the transformation of an enterprise. As your trusted partner, Stonehill delivers the confidence, alignment and execution muscle needed to realize the promise of your deal.