Skip to content
Business Strategy and Transformation

M&A Integration Support

We run integration from before close through Day 100 and Day 365 to realise the synergies in your deal

Programme overview

M&A Integration
Support

M and A Integration Support is the operational discipline that turns the synergies modelled in your deal into real results. Our team uses proven Day 1, Day 100, and Day 365 integration playbooks, careful synergy validation, an integration management office for governance, and the culture blending work that decides whether an integration creates value or quietly destroys it. We stay with you across the full lifecycle, from planning before close, through Day 1 execution and stabilisation, into synergy realisation and full operating model integration.

M&A Integration Support Overview
How we deliver it

Our implementation model

We fix the standards that apply to your site before we open at pre close integration planning, and we do not close at value realisation review until they are met.

Pre Close Integration Planning

Synergy validation, integration scope, integration teams, Day 1 readiness checklist, regulatory and consent management.

Day 1 Execution

Legal entity transfer, employee onboarding, IT cutover, customer / supplier communication, brand and signage transition.

Day 1 to 100 Stabilisation

Operating rhythm establishment, leadership communication, critical issue triage, retention of key talent, customer / supplier reassurance.

Synergy Realisation

Cost / revenue synergy programme execution, tracking against business case, course correction interventions.

Operating Model Integration

Process harmonisation, system integration, organisational alignment, culture blending interventions.

Value Realisation Review

Post merger value review at Day 100 / 365 / Year 3, integrate lessons learned into corporate M&A playbook.

What the programme covers

M&A Integration in full scope

We plan integration before close and make sure you are ready for Day 1
We drive execution against the Day 1, Day 100, and Day 365 milestones
We set up and run the integration management office that governs the programme
We validate synergies and track them through to realisation
We integrate the operating model and harmonise processes across the two businesses
We run the culture blending and talent retention programme
M&A Integration Support Coverage
Business value

Value of M&A Integration Support

Integration Risk Control
  • We get you ready for Day 1 so operations are not disrupted
  • We keep synergy realisation tied to the model in the deal
  • We retain key talent through structured engagement
  • We identify and manage cultural risks before they spread
M and A Governance
  • We coordinate the regulatory approvals the deal requires
  • We align compliance across the combined entity
  • We govern the integration with a paper trail you can defend under scrutiny
  • We help structure tax and legal matters across each jurisdiction involved
Integration Operations
  • We establish a steady operating rhythm within the first thirty days
  • We harmonise processes so duplicated effort disappears
  • We integrate systems to give you a single source of truth
  • We protect continuity for your customers and suppliers throughout
Deal Value Realisation
  • We capture synergies in line with the deal model
  • We help you avoid integration cost overruns
  • We retain value by keeping talent and customers in place
  • We shorten the path to full performance for the combined business
Standards & references

Codes & standards we work to

McKinsey M and A PlaybookBCG Integration FrameworkPMI Project Management for IntegrationISO 22301 Business ContinuityGalbraith Star Model for Org IntegrationSchein Cultural Integration Framework
When to engage

Triggers that signal the need

A transaction has just been announcedYou are in the period between signing and closeYou have a gap in Day 1 readinessYour synergy programme is underperformingCultural friction is starting to surface
Industries served

Where M&A Integration Support applies

Oil & Gas, Upstream
UpstreamOffshoreFPSO
Refineries & Petrochemicals
RefiningPetrochemical
LNG & Gas Processing
LNGCryogenic
Specialty Chemicals
ReactiveBatch
Power Generation
PowerHydrogen
Pharma & Food
PharmaFood & Bev
What we deliver

Tangible deliverables

  • A pre close integration plan
  • A Day 1 execution playbook
  • A Day 100 stabilisation programme
  • A synergy programme with tracking
  • An operating model integration plan
  • A Day 365 and Year 3 value realisation review
Get Started

Send us the scope

We will scope M&A Integration Support against your site and come back with what it would take. Tell us where the process is losing time, yield or margin.