How M&A Evolved Into A Strategic Growth Discipline

Mergers and acquisitions (M&A) have always been an integral part of the corporate playbook. The difference now is that the best companies don’t just do deals—they’ve built expertise that has allowed them to turn the M&A process into a strategic advantage that can be repeated.

What was once a high-stakes, episodic maneuver has matured into something far more deliberate and systematic. As organizations have gained experience and built internal capabilities, outcomes have improved. Today’s leading acquirers don’t merely get deals done—they embed M&A into the core of how they grow, adapt and stay competitive.

Back in 2004, executives estimated that only 40% of mergers met original expectations, often due to a lack of integration strategy or execution capability, according to Bain & Company. While value may have been created, results were inconsistent and dependent on ad hoc efforts. That’s changed. According to recent research from Bain, between 2000 and 2010, companies that executed at least one acquisition annually outperformed non-acquirers by 57% in total shareholder return. From 2010 to 2020, the performance gap widened to 96%; by 2022, it had reached 130%.

Some call these high performers “serial acquirers” and others call them “programmatic,” but the insight is the same. A McKinsey analysis of 2,000 global corporations shows that firms embracing M&A as a strategic discipline tend to deliver stronger long-term returns, outperforming their less active peers. Serial acquirers develop muscle memory. They know how to identify the right targets, institutionalize due diligence and execute integration with precision.

The rationale behind deals has shifted as well. A generation ago, M&A was largely about scale—driving cost synergies, consolidating industries and gaining operating leverage. That strategy still matters, but increasingly the goal is to secure capabilities: entering new markets, acquiring technology, accelerating innovation or deepening digital infrastructure.

But if integration capability defines great buyers, disciplined preparation now separates great sellers from the pack. Even the most strategically sound deal can falter without meticulous preparation, particularly in today’s market, where deal timelines regularly stretch several months. McKinsey reports that 30% of the largest transactions in 2022–23 were delayed by external factors—up from 15% in 2020.

For smaller transactions, delays often occur earlier, when sellers are unable to respond quickly to buyer questions and diligence requests. Time is not a neutral factor in M&A—it creates uncertainty. The longer it takes to close, the greater the chance a buyer will rethink the deal entirely.

The Elon Musk-Twitter saga is a high-profile reminder of how market shifts between signing and closing can change the dynamics of a transaction. Shortly after Musk agreed to buy Twitter, market conditions deteriorated. Absent termination fees, he likely would have walked away.

Several forces have made seller readiness more critical than ever. Regulatory scrutiny has intensified, particularly for large-cap and cross-border deals. Antitrust reviews and lengthy regulatory investigations can shake the confidence of even the most aggressive acquirer. Geopolitical tensions—from trade disputes to national security concerns—have added complexity. And market volatility means sellers must be ready to act when windows of opportunity open.

Seasoned acquirers have already raised the bar on diligence, assessing not only financial metrics but also cultural compatibility, leadership depth and operational fit. Sellers that match this sophistication—by having audited financials, documented standard operating procedures, employee agreements, legal records and a compelling investment thesis ready—signal credibility and reduce friction.

Execution has become more sophisticated on both sides of the table. Independent “clean teams” to handle sensitive data, structured risk mapping and early integration planning are now considered standard by many. For carve-outs and divestitures, transitional service agreements (TSAs) can make or break the timeline. Deloitte reports that 70% of sellers require three to six months between signing and closing, often due to complex TSAs, negotiations and communication challenges.

Readiness is more than housekeeping—it’s a form of leverage. It creates options for sellers, enabling them to pivot between buyers, respond to inbound interest or move quickly when market conditions align. It builds trust, which in competitive processes can translate into better terms, faster execution and a higher likelihood of closing. And when negotiations turn difficult, preparation strengthens the hand of the seller because the facts are already on the table.

The companies that consistently get M&A right—whether buying or selling—treat it as a core strategic function, not an occasional tactic. They cultivate leaders who can manage the full arc of a deal, from sourcing through Day 100 integration.

They understand that real value is created after the ink dries. And they recognize that the most transformative transactions often appear modest at the outset but deliver outsize impact over time.

In short, M&A has evolved. It’s no longer just a lever for getting bigger—it’s a pathway for getting better. For acquirers, that means embedding dealmaking into the corporate DNA and making execution excellence a habit, not a scramble. For sellers, it means entering the market with the kind of preparedness that compresses timelines, calms buyer nerves and locks in value before it can slip away. In a business where timing shapes outcomes, those who combine clarity, discipline and speed will not just survive the next cycle—they will define it.

Jeff Jacobs is a Member of the Forbes Finance Council and this article originally appeared on Forbes.com

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