NC Corporate
    Post-merger integration

    Post-merger integration: turning closing into operating value

    Is your acquisition approaching closing without anyone yet owning integration day to day?

    Is your acquisition approaching closing without anyone yet owning integration day to day? NC Corporate structures and leads Day 1 preparation, the 100-day plan, governance, synergies and workstream coordination.

    An Integration Director or Chief Integration Officer can be deployed when the acquirer needs a dedicated leader. This role organises the programme and decisions without replacing Finance, HR, IT, Legal, Operations or Commercial leaders.

    The first 100 days start before closing

    Sequence of a post-merger integration
    1. 01Pre-closing
    2. 02Day 1
    3. 0330 days
    4. 0460 days
    5. 05100 days
    6. 06Value creation

    Management must remain focused on operations

    Dedicated capacity carries the integration mechanics and prepares decisions.

    Several functions must move together

    Workstreams, dependencies and escalations are organised under common governance.

    Synergies must become actions

    Each assumption is connected to an owner, deadline and indicator.

    The platform is making successive acquisitions

    The integration set-up becomes repeatable without stopping the next origination cycle.

    An effective integration is prepared early enough to define priorities, governance, owners and the main workstreams. The objective is for Day 1 to mark the start of execution, not the start of planning.

    Put clear integration governance in place

    • - Integration Steering Committee
    • - Integration Management Office
    • - Workstream owners
    • - Decision rights
    • - Escalation
    • - Reporting cadence
    Coordinated integration workstreams
    Integration Management Office
    Governance100-Day PlanFinanceHRITOperationsCommercialSynergiesReporting

    The Integration Director coordinates the relevant functions and experts; the role does not replace Finance, HR, IT, Legal or Operations expertise.

    Turn the acquisition thesis into an operating plan

    • - 100-day plan
    • - Milestones
    • - Owners
    • - Dependencies
    • - Risks
    • - KPIs
    • - Synergies

    The plan translates the logic of the acquisition into dated decisions, carried by named owners and tracked against a reporting cadence agreed with management.

    Integration leadership on demand

    Integration advisory

    Support to management

    A Senior supports management on preparation, governance and trade-offs on a punctual basis.

    Integration lead

    Dedicated Integration Director

    A dedicated Integration Director runs the programme and coordinates the workstreams.

    Integration Management Office

    Broader programme capacity

    A broader capacity structures reporting, workstreams, risks, decisions and programme tracking when complexity or cadence requires it.

    Scope of the role
    The outsourced Chief Integration Officer or Integration Director coordinates the relevant functions and experts. NC Corporate does not replace Finance, HR, IT, Legal or Operations expertise.
    Frequently asked questions about post-merger integration
    Who can lead post-merger integration after an acquisition?

    Integration can be led internally by a dedicated executive, or by an external capacity when the team is already absorbed by operations. NC Corporate can deploy an Integration Director or an outsourced Chief Integration Officer who sets up governance, holds the 100-day plan and coordinates workstreams with internal owners.

    How do you prepare the first 100 days after an acquisition?

    Preparation starts before closing: priorities derived from the acquisition thesis, governance, workstream owners, Day 1 decisions and reporting cadence. Day 1 then executes a plan that already exists rather than starting its design.

    How do you build an M&A 100-day plan?

    A 100-day plan connects the logic of the acquisition to dated actions: objectives per workstream, milestones, owners, dependencies, risks, indicators and identified synergies. It is tracked on an agreed reporting cadence and adjusted as operating reality becomes clearer.

    What is an Integration Management Office?

    The Integration Management Office (IMO) is the structure that runs the integration programme: workstream tracking, decision preparation, risk and dependency management, steering committee reporting. It does not replace functional owners; it coordinates them.

    How do you set up an IMO after an acquisition?

    Define the workstream perimeter, name owners, set decision rights and escalation rules, then install a reporting cadence. NC Corporate can structure and run that IMO until the organisation takes the programme back in-house.

    Where can we find an outsourced Chief Integration Officer?

    NC Corporate can place an outsourced Chief Integration Officer or a dedicated Integration Director alongside the acquirer's management for the duration of the programme. Scope, governance, duration and handover to the internal team are defined upfront.

    Can post-merger integration leadership be outsourced?

    Yes. Programme leadership can be carried by a dedicated external professional while decisions remain with the acquirer. This absorbs the coordination load without pulling executives away from operations.

    Who can coordinate multiple integration workstreams?

    Coordinating Finance, HR, IT, Operations, Commercial and Synergies workstreams is the role of the IMO or the Integration Director: arbitrating dependencies, holding deadlines and escalating decisions to the steering committee.

    How do you track synergies after an acquisition?

    Synergies are tracked as workstreams in their own right: quantified assumption, owner, actions, deadlines and a realisation indicator. Reporting separates committed synergies from those that remain assumptions.

    How can a company integrate an acquisition without overloading management?

    By outsourcing the coordination load: preparation, governance, 100-day plan and workstream tracking. Management keeps decisions and key relationships while a dedicated capacity carries the programme mechanics.

    When should post-merger integration planning begin?

    Before closing, as soon as the transaction becomes likely. Day 1 decisions, governance and early priorities are better settled while teams still have time to prepare them.

    What is the difference between an Integration Director and a Chief Integration Officer?

    The Integration Director runs the programme and coordinates workstreams. The Chief Integration Officer additionally carries a leadership mandate with the executive committee, with broader responsibility over trade-offs and the relationship with the acquired company.

    Let us discuss your integration.

    Frame Day 1, the 100-day plan, governance and the leadership capacity required.