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Post-Merger Integration Insights & Playbooks

Tactical guides for the people doing the actual integration work. We focus on the practical stuff that consultants skip - chart of accounts mapping, CRM migration sequencing, the 90-day window after an acquisition closes, and the systems decisions that compound across deals. No frameworks for frameworks' sake.

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Sam Hields on AI-Native Roll-Ups: Why Front-Office Automation Is the Venture Case | RolyPoly Podcast
Integration Strategy & Planning
10 min read

Sam Hields on AI-Native Roll-Ups: Why Front-Office Automation Is the Venture Case

Sam Hields of OpenOcean on why AI-native roll-ups need front-office automation, debt over equity, and a one-shot consolidation window before the services economy is re-platformed.
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Vadim Rogovskiy on AI in Post-Merger Integration | RolyPoly Podcast
Integration Strategy & Planning
11 min read

Vadim Rogovskiy on AI in Post-Merger Integration: How Agentic AI Is Rewriting the Roll-Up Playbook

Vadim Rogovskiy on how agentic AI is rewriting the roll-up playbook — finding hidden pipeline in acquired SMBs, exit timing lessons, and why vertical AI wins.
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Andrew Ofori on Proprietary Deal Sourcing | RolyPoly Podcast
Integration Strategy & Planning
8 min read

Andrew Ofori on Deal Sourcing: Why Most PE Roll-Ups Find Deals the Wrong Way

Bloomvine CEO Andrew Ofori breaks down proprietary deal sourcing, cross-border M&A, AI in target identification, and why your criteria always change mid-search.
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Post-Acquisition Communication Plan: The Execution Framework That Prevents Talent Flight and Value Erosion
14 min

Post-Acquisition Communication Plan: The Execution Framework That Prevents Talent Flight and Value Erosion

Learn how to build a post-acquisition communication plan that prevents deal failure. Includes Day 1 templates, stakeholder sequencing, and proven tactics to retain talent.
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Andrea Allegrini on HVAC Acquisition Strategy | RolyPoly Podcast
Integration Strategy & Planning
10 min read

Andrea Allegrini on HVAC Acquisition Strategy: More Plumbers, Less Managers

How Lindbergh built Italy's first HVAC roll-up — 14 acquisitions, 2x EBITDA effective price, and a mild approach to integration.
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HubSpot to Salesforce Migration: A Practical Guide for Roll-Up Operators
System Migration
14 min

HubSpot to Salesforce Migration: A Practical Guide for Roll-Up Operators

Comprehensive HubSpot to Salesforce migration guide for roll-ups and portfolio companies. Learn data mapping, workflow rebuilds, timelines, costs, and change management strategies.
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Multi-Entity Accounting Consolidation: The Operator's Guide to Group Financial Reporting
16 min

Multi-Entity Accounting Consolidation: The Operator's Guide to Group Financial Reporting

Multi-entity accounting consolidation breaks after acquisition three. Learn the three consolidation models, when Xero stops working, and the decision framework for PE-backed roll-ups.
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Post-Acquisition Change Management: Why People Integration Derails More Deals Than Systems
12 min

Post-Acquisition Change Management: Why People Integration Derails More Deals Than Systems

Post-acquisition change management is where M&A deals deliver value or quietly fail. Learn how to manage acquired staff, reduce attrition, and drive adoption.
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Post-Merger HR System Integration: A Survival Guide for Serial Acquirers
12 min

Post-Merger HR System Integration: A Survival Guide for Serial Acquirers

Post-merger HR system integration guide for roll-ups: payroll consolidation risks, TUPE compliance, sequencing strategies, and avoiding the chaos that drives talent exits.
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Ryan Imison on Bolt-On Acquisition Strategy: How Network Plus Cross-Sells New Capabilities Into Existing Clients | RolyPoly Podcast
People & Change Management
8

Ryan Imison on Bolt-On Acquisition Strategy: How Network Plus Cross-Sells New Capabilities Into Existing Clients

Network Plus Head of M&A Ryan Imison explains how bolt-on acquisitions fuel cross-selling into existing utility clients - and why integration starts before the deal closes.
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Google Workspace to Microsoft 365 Migration: The Operational Leader's Execution Guide
System Migration
16 min

Google Workspace to Microsoft 365 Migration: The Operational Leader's Execution Guide

Google Workspace to Microsoft 365 migration guide for acquirers: avoid data loss, user resistance, and dual-platform waste with proven execution tactics.
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Merger Integration Plan Template: A Practical Roadmap for Roll-Up Operators
Integration Strategy & Planning
12 min

Merger Integration Plan Template: A Practical Roadmap for Roll-Up Operators

Practical merger integration plan template for roll-up operators. Pre-close prep, Day 1 actions, 30-60-90 day milestones, and modular framework to execute acquisitions fast.
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Post-Acquisition Cybersecurity Risks: The Hidden Liabilities Roll-Ups Inherit
Risk & Due Diligence
15 min

Post-Acquisition Cybersecurity Risks: The Hidden Liabilities Roll-Ups Inherit

Discover why 40% of buyers find undisclosed breaches post-close. Practical 90-day framework to audit, isolate and harden inherited cybersecurity risks.
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Post-Acquisition Vendor Rationalisation: Where Synergies Are Won or Lost
12 min

Post-Acquisition Vendor Rationalisation: Where Synergies Are Won or Lost

Post-acquisition vendor rationalisation uncovers £30-50k+ in immediate savings. Learn how to audit suppliers, consolidate duplicates, and capture M&A value fast.
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How to Integrate Two Companies After Acquisition
Integration Strategy & Planning
10 min

How to Integrate Two Companies After Acquisition

Learn how to integrate two companies after acquisition with a proven 100-day roadmap. Avoid the 70–90% failure rate with expert tactics for systems, people, and processes.
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Pipedrive to Salesforce Migration: A Practical Guide for Roll-Up Operators
System Migration
15 min

Pipedrive to Salesforce Migration: A Practical Guide for Roll-Up Operators

Pipedrive to Salesforce migration guide for roll-up operators: deal stage mapping, data deduplication, automation rebuilding, and avoiding costly mistakes.
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Post-Merger Integration Checklist: The Execution Roadmap Serial Acquirers Actually Use
Integration Strategy & Planning
11 min

Post-Merger Integration Checklist: The Execution Roadmap Serial Acquirers Actually Use

Post-merger integration checklist for serial acquirers doing 3–5 deals yearly. Phase-by-phase roadmap covering Day 1–180, IT, HR, finance, and operations.
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Serial Acquisition Integration Playbook: How Roll-Up Operators Build a Repeatable Integration Process
Integration Strategy & Planning
11 min

Serial Acquisition Integration Playbook: How Roll-Up Operators Build a Repeatable Integration Process

Serial acquisition integration playbook for roll-ups managing 3+ deals yearly. Learn repeatable frameworks, modular pathways, and governance structures to scale M&A execution without integration debt.
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M&A Integration KPIs and Metrics: What Actually Predicts Success
11 min

M&A Integration KPIs and Metrics: What Actually Predicts Success

Track the right M&A integration KPIs to predict success before it's too late. Learn which metrics PE sponsors actually care about and why leading indicators matter more.
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QuickBooks to Xero Migration: A Practical Guide for Multi-Site Operators
System Migration
16 min

QuickBooks to Xero Migration: A Practical Guide for Multi-Site Operators

QuickBooks to Xero migration for roll-up operators: chart of accounts harmonisation, open invoice integrity, cutover strategy—delivered in 60 days.
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Pavleta Pavlova on Financial Integration After Acquisition | RolyPoly Podcast
Financial & Operational Optimisation
9 min read

Pavleta Pavlova on Financial Integration After Acquisition: The Fractional CFO Playbook

Pavleta Pavlova explains why financial integration is the real bottleneck in roll-ups, and shares her fractional CFO playbook for getting it right.
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Simone Vascotto on Cultural Due Diligence | RolyPoly Podcast
People & Change Management
8 min read

Simone Vascotto on Cultural Due Diligence: Why Most Acquisitions Fail and How Behavioral Analytics Stops It

Simone Vascotto explains how invisible culture derails M&A deals and why behavioral due diligence is the missing piece in acquisition strategy.
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Sam Turner on Roll-Up Integration Strategy | RolyPoly Podcast
Integration Strategy & Planning
10 min read

Sam Turner on Roll-Up Integration Strategy: Why Hub & Spoke Beats Full Decentralization

Sam Turner shares why the hub-and-spoke model beats full decentralization for SME roll-ups, based on 4 years building Advantos.
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Post-Merger Email Migration Guide
System Migration
14 min

Post-Merger Email Migration Guide

Step-by-step post-merger email migration guide: timing, platform decisions, Google Workspace vs Microsoft 365, and a 5-phase playbook to avoid common pitfalls.
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Post-Acquisition Reporting Consolidation: The Execution Blueprint for Multi-Site Operators
15 min

Post-Acquisition Reporting Consolidation: The Execution Blueprint for Multi-Site Operators

Post-acquisition reporting consolidation guide for roll-ups: unify financial visibility across disparate systems in 90 days, eliminate intercompany errors, and avoid integration debt.
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Acquired Company Onboarding Process: How to Integrate Employees Without Losing Them
Integration Strategy & Planning
17 min

Acquired Company Onboarding Process: How to Integrate Employees Without Losing Them

Discover why 47% of acquired employees leave within a year and how to fix it. Practical merger onboarding checklist, 90-day timeline, and proven strategies to retain talent post-acquisition.
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Software Licence Audit After Acquisition
13 min

Software Licence Audit After Acquisition

Software licence audit after acquisition: uncover 20-35% overspend on duplicate SaaS, CRM, and redundant tools. A 90-day framework to capture savings fast.
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Buy and Build Integration Strategy: The Execution Framework for Serial Acquirers
9 min

Buy and Build Integration Strategy: The Execution Framework for Serial Acquirers

Buy-and-build integration strategy fails when acquisition pace outstrips execution. Discover the repeatable playbook PE-backed platforms use to integrate faster, capture synergies, and hit sponsor IRR targets.
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Sage to Xero Migration Guide for Post-Acquisition Consolidation
System Migration
15 min

Sage to Xero Migration Guide for Post-Acquisition Consolidation

Sage to Xero migration guide for UK acquirers: chart of accounts mapping, historical data strategy, parallel running, and post-acquisition timing decisions.
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How Long Does Post-Merger Integration Take?
Integration Strategy & Planning
11 min

How Long Does Post-Merger Integration Take?

Post-merger integration takes 12–18 months for mid-market deals, but timelines vary by complexity and approach. Learn what drives integration duration and how to compress it.
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Post-Acquisition Cost Savings: The Operator's Guide to M&A Synergy Realisation
14 min

Post-Acquisition Cost Savings: The Operator's Guide to M&A Synergy Realisation

Discover how CFOs in roll-ups unlock £150-300k in post-acquisition cost savings through subscription consolidation, vendor rationalisation, and structured synergy execution.
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Post-Merger Integration Risks: Where Serial Acquirers Lose Value and How to Avoid It
Risk & Due Diligence
13 min

Post-Merger Integration Risks: Where Serial Acquirers Lose Value and How to Avoid It

Discover the 5 post-merger integration risks that cause 70-90% of M&A deals to fail—and the proven frameworks roll-up operators use to prevent value destruction.
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Shadow IT Discovery After Acquisition
Risk & Due Diligence
12 min

Shadow IT Discovery After Acquisition

Discover how to uncover hidden IT systems after acquisition. Practical framework for identifying shadow IT risks, costs, and dependencies in the first 90 days post-close.
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CRM Migration After Acquisition: A Practical Execution Guide for Roll-Up Operators
System Migration
17 min

CRM Migration After Acquisition: A Practical Execution Guide for Roll-Up Operators

CRM migration after acquisition: Avoid costly failures with proven strategies for data consolidation, deduplication, and user adoption across multiple platforms.
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ERP Consolidation After Merger: The Roll-Up Operator's Field Guide
System Migration
14 min

ERP Consolidation After Merger: The Roll-Up Operator's Field Guide

ERP consolidation after merger is the toughest post-acquisition challenge. Learn when to consolidate, how to sequence it, and the proven four-phase roadmap that works.
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Post-Acquisition IT Due Diligence Checklist
Risk & Due Diligence
15 min

Post-Acquisition IT Due Diligence Checklist

Post-acquisition IT due diligence checklist for mid-market roll-ups. Reduce integration costs by 15–25%, avoid hidden liabilities, and uncover tech debt before you sign.
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Data Migration After Acquisition: A Survival Guide for Serial Acquirers
Risk & Due Diligence
13 min

Data Migration After Acquisition: A Survival Guide for Serial Acquirers

Data migration after acquisition derails 83% of M&A projects. Learn the 5-stage framework roll-ups use to consolidate data, avoid hidden costs, and unlock synergies faster.
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Post-Merger Integration Challenges: Where Most Roll-Up Operators Lose Value
Risk & Due Diligence
11 min

Post-Merger Integration Challenges: Where Most Roll-Up Operators Lose Value

Discover why 70-90% of M&A deals fail due to post-merger integration challenges—from IT traps to cultural resistance—and how to prevent predictable value erosion.
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Post-Acquisition System Migration: A Practical IT PMI Guide
System Migration
12 min

Post-Acquisition System Migration Guide: A Practical IT PMI Playbook

A practical guide to post-acquisition system migration for roll-ups. What to migrate first, how to avoid common failures, and how to keep the business running.
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Should You Hire a PMI Consultant After an Acquisition?
Integration Strategy & Planning
7 MIN

Should You Hire a PMI Consultant After an Acquisition?

PMI consultants help with strategy, systems, and change management after acquisitions. Here’s what they actually do and how to decide if you need one.
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50+ Post-Merger Integration Statistics (2026)
18 min

50+ Post-Merger Integration Statistics: What the Data Really Says

83% of deals fail to boost shareholder returns. We compiled 50+ statistics on why integrations fail, what successful acquirers do differently, and where deal value actually gets created or destroyed.
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Post-Merger Integration Checklists and Templates | PMI Stack
Tools & Resources
15 min

Post-Merger Integration Checklists and Templates

Only 40% of acquirers use structured playbooks. Here are the checklists, templates, and frameworks that improve your odds.
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Why Systems Don't Fail — Adoption Fails | PMI Stack
9 min

Why Systems Don't Fail, Adoption Fails

67% of delayed synergies are due to people issues, not technical problems. Here's how to make adoption stick.
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System Migration After Acquisition | PMI Stack
System Migration
11 min

System Migration After Acquisition: CRM, ERP, Email, HR, and Operational Tools

83% of data migrations fail or exceed budget. Here are the non-obvious lessons for migrating CRM, ERP, email, and HR systems.
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The First 100 Days After an Acquisition | PMI Stack
Integration Strategy & Planning
12 min

The First 100 Days After an Acquisition: A Phase-by-Phase Timeline

92% of integrations succeed when synergies are tracked from day one. Here's your phase-by-phase execution timeline.
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The Post-Acquisition Integration Audit | PMI Stack
Risk & Due Diligence
10 min

The Post-Acquisition Integration Audit: What to Do Before You Touch Anything

42% of due diligence fails to identify synergies. Here's the discovery process that makes everything else possible.
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Who Should Handle Post-Merger Integration? | PMI Stack
Integration Strategy & Planning
8 min

In-House, Contractors, or Partners: Who Should Handle Post-Merger Integration?

Should you handle integration in-house, hire contractors, or bring in consultants? Here's how to match your resourcing to your situation.
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Deciding the Right Integration Level for Acquisitions | PMI Stack
Integration Strategy & Planning
10 min

How to Decide the Right Integration Level for Each Acquisition

Not every acquisition needs full integration. Use this High/Medium/Low-Touch framework to match integration depth to strategic intent.
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Technical Integration Is the Hidden M&A Value Driver | PMI Stack
Integration Strategy & Planning
8 min

Why Technical Integration Is the Hidden Value Driver in M&A

70-90% of M&A deals fail to deliver expected value. Learn why technical integration is the hidden culprit and the five failure patterns to avoid.
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