2026 set to be the busiest year for mergers and acquisitions since 2021 amid AI-driven strategic shifts

As the final bells rang across global exchanges on December 31, 2025, boardrooms from Lower Manhattan to Mayfair shifted from cautious preservation to aggressive expansion. After a year defined by margin pressure and defensive consolidation, investment bankers and strategists are forecasting 2026 as a potentially record-breaking year for mergers and acquisitions, driven by stabilising rates, private equity capital and strategic urgency to scale in an AI-driven economy.

According to Goldman Sachs Research, global deal flow could rise from about $3.1 trillion in 2025 to $3.9 trillion in 2026, a level that would surpass the previous high of $3.6 trillion in 2021. The bank’s analysts point to declining borrowing costs, abundant private equity “dry powder” and mounting pressure on corporate margins as the principal engines of the rebound. LiveMint and Bloomberg have reported similar projections, noting that the forecasts exclude special purpose acquisition company activity and hinge on continuing improvements in financial conditions.

The rebirth of dealmaking is less a return to business as usual than a strategic response to systemic pressures that crystallised during 2025. Corporates spent the year coping with what market participants called a “margin squeeze” as labour costs held firm and companies accelerated capital-intensive AI deployments. That shift transformed AI from speculative hype into capital expenditure reality: rather than build every capability in-house, many firms are now acquiring specialised data and infrastructure businesses to avoid “architectural debt” and buy time on integration.

Macro and market dynamics have combined with tactical corporate decisions to create a deep pipeline of transactions. Private equity sponsors, under pressure from limited partners to return capital, are primed to deploy nearly $trillions of committed capital, while institutional investors and activists have pushed conglomerates to prune non-core assets. The result, market participants say, is a steady supply of divestitures and “bolt-on” targets attractive to PE bidders and strategic buyers alike. Financial markets have priced in the opportunity: US bank advisory indexes showed notable strength in late 2025 as investors anticipated an uptick in fee generation for leading advisers.

Winners will likely include the largest investment banks and the biggest private equity houses. Goldman Sachs, Morgan Stanley and JPMorgan Chase & Co. are well placed to benefit from a surge in advisory work and large take-private transactions. Blackstone and KKR are among the private equity firms positioned to deploy substantial dry powder. By contrast, mid-cap companies that failed to achieve scale during 2025’s consolidation, and firms with leveraged balance sheets that were squeezed by high rates, may find themselves targets for opportunistic or distressed purchasers, particularly in sectors where margins were most compressed, such as retail pharmacy and certain automotive segments.

The technology sector will present a bifurcated picture. Companies that integrated AI into core operations early are expected to use elevated equity valuations as currency for acquisitions, widening the gap with firms that are lagging on AI adoption. Those laggards risk hostile bids or “fire sales” as shareholders push for strategic action.

Regulation will complicate dealmaking in 2026. While some observers note a shift away from the “litigation-first” antitrust posture of earlier years toward greater willingness to accept structural remedies, the enforcement landscape is uneven. The rise of State Attorneys General and intensified regional scrutiny, especially in healthcare and food retail, means deals that clear federal review may still face state-level challenges. Government industrial policy in strategic sectors, including semiconductors and advanced computing, may also encourage consolidation under a “national champion” veneer, altering the calculus of foreign and domestic transactions.

Practically, deal activity in early 2026 is expected to be front-loaded with bolt-on acquisitions and strategic tuck-ins that allow rapid integration of technologies with less regulatory exposure than blockbuster combinations. Private equity will increasingly use continuation funds to hold winners longer while providing liquidity to investors. Over the medium term, integration risk and a potential “valuation hangover” loom if expected synergies fail to materialise; corporate leaders will face a war for managerial and technical talent needed to stitch together disparate platforms and cultures.

Sector dynamics will be uneven and global. Energy and materials markets are already seeing consolidation tied to electrification and grid buildouts, while media and industrials show renewed scale-seeking behaviour. European and Asian firms are responding with defensive mergers to protect market share as US consolidators pursue scale advantages.

For investors and corporate strategists, the coming months offer both opportunity and peril. The drivers of the “Great Rebound”, stabilising policy rates, ample private capital and the imperative to scale for AI competitiveness, are clear, but the speed and success of integration, the patchwork of regulatory reviews and the persistence of cost pressures will determine whether 2026’s deal frenzy rearranges industry hierarchies for the long term or produces a temporary spike followed by disappointment.

Industry data and commentary from Goldman Sachs, Bloomberg and LiveMint suggest that, if current trends persist, 2026 could indeed be the busiest year for M&A in nearly half a decade. Market participants will watch Federal Reserve policy, borrowing costs and state-level enforcement closely, because those factors are likely to be the primary governors on how quickly and cleanly this wave of dealmaking crystallises.

This content is intended for informational purposes only and is not financial advice.