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12 September 2025
by Alexandra Ménard
12 September 2025
by Alexandra Ménard

hallenges Faced by M&A Lawyers: Everything You Need to Know

THE MAIN CHALLENGES FACED BY M&A LAWYERS

Behind the legal expertise of M&A (mergers and acquisitions) lawyers lies a complex operational reality — one marked by tight deadlines, diverging interests, and constantly evolving legislation. Here’s a closer look at the major challenges that M&A lawyers face on a daily basis.

Anticipating and Managing Legal Risks in M&A

An M&A lawyer must identify legal risks early on — ideally before they are even perceived by the client:

  • latent contractual or litigation risks
  • regulatory or tax incompatibilities
  • unfavorable clauses in key strategic contracts

This ability to anticipate is crucial to avoid unpleasant surprises at the time of closing or post-deal — and to prevent the operation from failing altogether.

Coordinating Stakeholders with Diverging Interests

M&A transactions often require lawyers to manage a wide range of stakeholders:

  • buyers and sellers with conflicting expectations
  • demanding investors
  • third parties like banks, auditors, experts, and tax authorities

The M&A lawyer acts as a communication bridge between all parties — all while defending the best interests of their client.

Managing Tight Deadlines and High Pressure

M&A deals are frequently subject to very tight timelines, especially when certain tax or regulatory calendars must be met: 

Examples include: 

  • fiscal year-end closings 
  • financial statement deadlines
  • fundraising milestones 
  • anti-bribery laws

The M&A lawyer must be able to work under pressure, respond quickly, and maintain precision and availability throughout.

Negotiating in High-Stakes Situations

Negotiations in M&A are often complex and tense, especially when discussing:

  • warranties and indemnities (W&I)
  • non-compete clauses
  • pricing mechanisms (e.g. earn-outs, price adjustments)

Lawyers need to display both agility and diplomacy — keeping discussions on track while protecting their client's essential interests.

Handling Cross-Border M&A Transactions

In international operations, lawyers face additional complexity due to:

  • differing legal systems (e.g. common law vs. civil law)
  • language barriers and distinct negotiation cultures
  • regulatory differences in competition, tax, and employment law

M&A lawyers must ensure compatibility of documents and anticipate international compliance requirements, including: 

  • GDPR
  • sanctions
  • and embargo regulations
  • anti-bribery laws

Keeping Up with Constant Legal Change

Corporate, tax, and competition laws evolve rapidly.

An M&A lawyer must ensure rigorous legal watch and updates to:

  • adapt strategy to upcoming legal reforms (e.g. tax treatment of mergers, control thresholds)
  • anticipate contractual best practices
  • integrate the latest case law and rulings

Being an M&A lawyer means combining legal expertise, strategy, adaptability, and precision. As operations become increasingly complex and global, M&A lawyers must rise to these challenges to safeguard transactions and provide high-value support to their clients. 

Their role is crucial to the success of any merger or acquisition.

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