Post-Merger Integration Leadership. Delivered in 72 Hours.

Whether it's cultural friction, system overlap, or post-acquisition chaos—we deploy interim integration managers within 72 hours to take control, protect value, and make the deal work.

Why Integration Fails—Even When the Deal’s Right

On paper, integration looks straightforward: synergy targets, functional workstreams, day-one checklists.

But execution rarely follows the script.

  • Founders stay—but power shifts. No one’s sure who leads.

  • Systemy ERP launch before teams are ready.

  • Cultural friction turns governance into compliance theatre.

These aren’t process failures—they’re leadership vacuums.

By the time integration pain surfaces, value is already bleeding. And traditional search firms move too slow to help.

That’s why CE Interim deploys interim CEOs, CFOs, and Integration Managers in 72 hours—leaders who’ve seen what breaks and know how to fix it.

They create traction where others create confusion. They turn a merger into one company.

Because synergy doesn’t execute itself.

Why Post-Merger Integration Feels Under Control—Until It Isn’t

By the time we’re called in, the merger is signed, the press release is live—and no one’s truly steering integration.

On paper, the structure is clear. In practice, execution unravels:

  • Founders still pull strings; the new hierarchy sits untouched

  • ERP systems go live—but master data is broken and trust is low

  • Local leaders quietly resist standardization or process change

  • Key talent walks out mid-stream, without raising alarms

  • Group reporting feels foreign—slow, adjusted, and unreliable

What’s missing isn’t strategy. It’s ownership.

Consultants build trackers. PMOs chase tasks. But no one drives the clock.

That’s why CE Interim deploys interim integration managers, CFOs, or CEOs in under 72 hours—to stabilize post-merger execution before synergies drift and silence costs you momentum.

When to Call CE Interim for Post-Merger Integration Leadership

Mergers don’t fail in the boardroom. They fail on the ground—slowly, and then all at once.

Here’s when clients call us in:

Founders Still Run the Show

Power shifted on paper, but the business still answers to legacy voices. Governance won’t stick—and no one owns the new org chart.

Group Reporting Goes Nowhere

The local CFO resists. The format feels forced. Deadlines slip. Adjustments multiply. Now HQ is flying blind.

ERP Is Live—But Useless

Master data is chaos. Nobody trusts the outputs. Teams build shadow systems just to get through Monday.

Culture Clash Stalls Execution

What looked like alignment in due diligence now freezes decisions. Global rules land like foreign law.

A Strategic Client Is Losing Patience

Post-deal service dipped. The global customer threatens to walk. You need someone who can lead the fix—fast.

Synergies Are Slipping—Silently

Six months in, targets remain theoretical. Teams say it’s “too early to tell”—but everyone knows the timeline is already off-track.

No One Owns the Clock

PMO check-ins keep moving. Advisors produce dashboards, not decisions. And your internal team? Too stretched to lead integration full-time.

Local Sites Are Off-Message

What’s clear at HQ is chaos in-country. Communication breaks down, reporting drifts, and regional leads default to “business as usual.”

Two Companies, Zero Alignment

You’ve closed the deal—but it still feels like two separate businesses. Systems, decisions, and incentives aren’t converging. Integration was declared, not delivered.

What We Deliver in Post-Merger Integration Projects

  • Interim integration executive embedded within 72 hours—on-site, in control
  • Governance model enforced: decision rights, RACI, and approval clarity across all entities
  • ERP go-live stabilized with real-time support, clean master data, and trustable outputs
  • Group reporting implemented—monthly packs aligned, local CFOs onboarded
  • Cultural integration activated: decision norms mapped, conflicts surfaced early
  • Functional workstreams restructured—Finance, HR, IT, Ops aligned to synergy plan
  • Stakeholder dashboards restored—HQ visibility rebuilt, no surprises in results
  • Synergy tracking systemized: headcount, footprint, and cost savings made visible
  • “Two-company drift” reversed—narrative, branding, and behavior aligned post-close
  • Retention of key staff secured with interim-led transition and pulse sensing
  • Timeline accountability installed—PMO rhythm replaced with real operational ownership

Who We Deploy in Post-Merger Integration—Within 72 Hours

From CEO to ERP lead, our integration experts embed within days to fix what slides post-deal.

Interim Integration CEO

Takes full operational control when the founder exits or post-acquisition trust breaks down—ensuring authority, clarity, and daily direction at the top.

Typowe mandaty

  • Rebuild chain of command and decision-making

  • Enforce structure where governance won’t land

  • Align messaging across functions and geographies

Integration Program Lead

Owns the full integration roadmap, activates functional leaders, and ensures every synergy lever is tracked, governed, and delivered.

Typowe mandaty

  • Cross-functional traction and milestone execution

  • Synergy scorecard governance

  • Stakeholder and SteerCo alignment

ERP Transition Manager

Stabilizes the ERP rollout post-merger by fixing master data, driving system adoption, and eliminating spreadsheets and workarounds.

Typowe mandaty

  • Fix broken master data, stop parallel systems

  • Drive team-wide ERP adoption

  • Ensure finance and ops alignment post-go-live

Interim CFO (Post-Merger)

Restores end-to-end financial visibility, standardizes group reporting, and builds trust with group controllers, auditors, and lenders.

Typowe mandaty

  • Consolidate reporting formats and timing

  • Clean P&L structure and master data

  • Satisfy group, banks, and board with no surprises

HR Integration Director

Leads cultural integration, contract harmonization, and retention—defusing friction while aligning titles, terms, and team expectations.

Typowe mandaty

  • Align titles, terms, and incentives

  • Secure retention of key middle managers

  • Resolve soft conflict across teams and geographies

Interim Plant Director (Integration Phase)

Maintains production control during integration by aligning KPIs, coaching site leads, and safeguarding delivery despite change.

Typowe mandaty

  • Align plant KPIs with group metrics

  • Maintain flow during organizational change

  • Coach site leaders through transition

Our 7-Step Post-Merger Integration Engagement Model

At CE Interim, we follow a structured 7-step process to deploy post-merger integration leadership within 72 hours—ensuring stakeholder alignment, on-the-ground control, and real synergy execution from day one.

Interim vs Consulting vs Search: What Works in Post-Merger Integration

CE Interim closes the post-merger execution gap with embedded leaders—experts who drive reporting, alignment, and synergy when it matters most.

Tabela porównawcza
Zarządzanie tymczasowe
Executive Search
Konsultacje w zakresie zarządzania
Czas zacząć
9-12 miesięcy
Zmienna
Wynik
Wykonanie + przekazanie
Nadzieja na dopasowanie
Slajdy i sugestie
Mission First
Osoba pierwsza
Staż pracy
Byli kierownicy wyższego szczebla
Zależy od geografii i puli
Drużyny z dużą liczbą juniorów
Motywacja
Wyniki i wpływ
Ubezpieczenie społeczne i kariera
Cele w zakresie przychodów
Sprawdzone w podobnych środowiskach
Pojedynczy punkt odpowiedzialności
Opóźnione do momentu zatrudnienia
Współdzielone między warstwami
Warunki cenowe
Zryczałtowana stawka dzienna
% rocznego wynagrodzenia
Czas + koszty ogólne
Inwestycja z góry
Brak
Zdolność adaptacji w trakcie misji
W pełni elastyczny (Swap, Extend, Pivot)
Zablokowany po zatrudnieniu
Potrzeby zleceń zmian
Poufność i ochrona przed ryzykiem
Pierwszy dzień NDA + ciche wdrożenie
Ekspozycja rynkowa podczas wyszukiwania
Wiele zewnętrznych punktów styku

Why Leading Companies Trust CE Interim in Post-Merger Integration

Post-merger integration often breaks down where strategy slides end—at the point of execution.

CE Interim deploys senior interim leaders who don’t just plan. They embed fast, take ownership, and get results across functions, cultures, and borders.

We bridge the gap between HQ and the newly acquired business—restoring trust, traction, and visibility within days.

Why global companies and investors call us:

  • NDA-first approach with discreet, senior-level engagement
  • Interim CEOs, CFOs, and Integration Leads deployed in 72 hours
  • Integration plans turned into real-world execution on-site
  • Group reporting, ERP, and KPI alignment made operational
  • Cultural gaps closed through language fluency and trust-building
  • Founder exits and power transitions managed with stability
  • Cross-border PMI experience across 20+ countries
  • Trusted by post-merger PMOs, PE investors, and corporate heads

From synergy realization to governance reset—we don’t audit integrations.
We lead them.

Trusted Across Borders. Proven in Integration.

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Post-merger and integration mandates delivered

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Obsługiwane kraje, od Europy po MENA i USA

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Tymczasowi liderzy z naszej sprawdzonej globalnej puli talentów

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Wspólny standard: Doskonałość wykonania

Post-Merger Integration Success Stories

Each mandate below was led by an interim CEO, CFO, or Integration Program Lead deployed within 72 hours—turning integration drift into traction, visibility, and control.

Post-Merger Integration FAQs

Execution delays, ownership gaps, and cultural misalignment are the top causes—not strategy errors.

A dedicated integration executive with cross-functional authority is essential—internal teams often lack capacity and neutrality.

You’ll see missed reporting, delayed synergy milestones, resistance from legacy teams, and unclear decision rights.

They should report directly to the CEO or deal sponsor—with clear ownership of the integration scorecard.

Aligning chart of accounts, reporting cadence, and ERP mapping—driven by one interim CFO with group alignment.

Not with workshops—but through embedded leadership, aligned incentives, and clear behavioral expectations from day one.

Not before master data, local buy-in, and process mapping are secured. Premature ERP launches cause chaos.

Synergy realization, functional milestones, talent retention, ERP adoption, reporting cadence, and issue escalation speed.

Consultants advise. Embedded interim leaders execute, own timelines, and enforce governance inside the business.

Embed an interim CEO or Integration Lead with full mandate, outside politics, and group sponsor backing.

Yes. Recovery mandates are common—our experts realign teams, rebuild governance, and reaccelerate synergy execution.

PMOs coordinate. They do not lead. Real traction comes from line-embedded interim leaders with decision rights.

Use a structured integration scorecard managed by an Integration Program Lead—validated by Finance and Ops.

Silent resistance, turnover of key talent, blocked process adoption, and reputational drag with customers.

They stabilize financial visibility, align internal logic, and ensure group-level trust in reported numbers.

ERP workarounds, missed KPI reviews, function misalignment, founder influence persisting, and HQ losing visibility.

Most integrations take 6–12 months to fully embed, depending on deal size, complexity, and leadership clarity.

Deploy culturally fluent interim leaders who align local sites to group standards without killing trust.

If traction is fading, no one owns the clock, and functions are out of sync—you’re already late. Interim leadership buys you control.

Retention requires contract harmonization, incentive alignment, and hands-on leadership—not HR announcements alone.

Explore Our Post-Merger Integration Articles

At CE Interim, we don’t just lead post-merger mandates—we document what actually works when cultural gaps, ERP friction, and reporting breakdowns put synergy at risk.

Your Integration Is Slipping. Take Control Now.

CE Interim deploys interim CEOs, CFOs, and integration leaders within 72 hours—confidentially and under NDA. Whether your deal is drifting, ERP is failing, or no one owns execution—we’re ready to step in.

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