The Experience Gap in Hard Numbers
Research compiled from Harvard Business Review, McKinsey, and IMAA data shows that 70-90% of M&A deals fail to create shareholder value. But the breakdown by acquirer experience is where the insight lives. First-time acquirers fail at 77%. Serial acquirers improve to 54%. The performance gap amounts to an 8.5 percentage point swing in total shareholder return.
That swing isn't small. On a $50M acquisition, 8.5 points of TSR is the difference between creating millions in value and destroying it.
What Serial Acquirers Build That First-Timers Don't
The IMAA (Institute for Mergers, Acquisitions and Alliances) studied what separates successful acquirers from failed ones and identified seven core practice areas. The most telling: report and collaborate in real time, using a collaborative platform instead of email and static spreadsheets.
Serial acquirers don't reinvent the coordination process for every deal. They build repeatable infrastructure: standardized request lists, structured collection workflows, clear ownership assignments, and visible progress tracking. The second deal runs faster than the first. The fifth deal runs faster than the second.
First-time acquirers don't have this infrastructure. They run diligence through a shared inbox and an Excel tracker. The CFO of the target company becomes the informal project manager. Follow-ups depend on memory. Status depends on asking. The process is invisible to everyone except the person in the middle of it.
The Diligence-to-Integration Pipeline
PMI Stack's 2026 research compilation found that companies tracking synergies from Day 1 achieve 92% success rates, compared to the 83% baseline failure rate. The gap comes down to explicit targets, tracking processes, and clear ownership installed before the deal closes.
That pattern starts in diligence. If the coordination was structured during document collection, the integration team inherits a clean foundation: who owns what, what's complete, what's outstanding. If diligence ran through email, the integration team inherits nothing but a forwarded thread and a stale spreadsheet.
What First-Time Acquirers Can Borrow
First-time acquirers don't need to build five years of deal experience to avoid the 77% failure rate. They need the infrastructure that serial acquirers spent those five years building: a structured collaboration environment where every diligence request has an owner, a deadline, and visible status. Where the advisor sees progress without sending a follow-up. Where the target company's team knows exactly what they owe.
The deal thesis might be sound. The price might be fair. But if the coordination runs through email, the execution will break.
See how M&A advisory firms are building structured deal coordination for every transaction.
