While recent judgments against Apple by the Competition Appeal Tribunal and European Commission all focus on the Apple ecosystem and point toward closer scrutiny of its App Store rules, their analytical methodologies and potential enforcement routes differ, highlighting differences in approaches to competition law, say lawyers at Perkins Coie.

Samantha Brown, HSF Kramer's managing partner for employment, pensions and incentives for U.K. and Europe, the Middle East and Africa, discusses the challenges of managing a deal where many of the commercial aspects were new to the buyout market, why pension adequacy needs attention, and how new pensions legislation makes it an exciting time for schemes and their advisers.

A recent Singapore court ruling in DNZ v. DOA upholding an arbitration award against Poland constitutes a significant affirmation of the autonomy of international arbitration from regional constitutional orders when disputes are adjudicated outside those orders, says Josep Galvez of 4-5 Gray's Inn.

The new U.K. prospectus regime for trading on regulated markets, effective Jan. 19, aims to streamline processes and reduce costs, but a significant shift in structuring and disclosure obligations will increase pressure on practitioners to manage risk under tighter timelines, say lawyers at Baker Botts.

Entrepreneurs are increasingly using artificial intelligence in their operations to model valuations or test market timing, and the same sophistication is expected from those advising them, so lawyers should use AI tools responsibly to reinforce their judgment and good advice, says Amen Alonge at Farrer.

A number of changes in the financial regulatory sphere are due this year, from targeted support to payment safeguarding and a new consumer composite investments regime, and firms should plan to address the policies and regulatory strategies relevant to them, say lawyers at Womble Bond.

In confirming that the Financial Conduct Authority will become the single supervisor for professional services, HM Treasury’s planned reform of the U.K.’s anti-money laundering and counter-terrorist financing supervision regime marks a significant change for the legal profession, signaling a greater emphasis on evidence and accountability, says Harriet Holmes at Thirdfort.

An ever-increasing number of initiatives on the European Union regulatory agenda, with simplification and consistent implementation being priorities, means financial services businesses with a footprint in the EU or seeking to establish one will face significant challenges and strategic opportunities, say lawyers at Taylor Wessing.

Neil McDonald, head of the corporate and M&A group at Walkers Global in London, discusses the challenges of conducting a multijurisdictional transaction with a pressing timeline, the need for regulation to keep pace with innovation, and why a willingness to go the extra mile to assist clients is so important.

With 2025 marking the first operational year of the European Union’s Markets in Crypto-Assets Regulation and the U.K.’s rules reaching their final legislative form, the two jurisdictions are converging in focus, but structural design differences mean firms active in both markets will require dedicated documentation to ensure compliance, say lawyers at Morgan Lewis.

The Competition and Markets Authority’s recently launched consumer protection drive targeting banned online sales practices focuses on supporting compliance rather than on enforcement, although firms should expect this to change once businesses have had time to adapt to the regulator's new regime, say lawyers at Baker Botts.

With the U.K. government introducing a U.S.-style whistleblower incentive scheme to tackle high-value tax avoidance and evasion, companies should take proactive steps and establish clear protocols to mitigate the potential increase in tax investigations, say lawyers at Skadden.

If left unchecked, four megatrends — polarization, artificial intelligence, Gen Z and saturation — could threaten law firm growth or even long-term survival, but if well managed may be turned into opportunities to empower a brand, says Leor Franks at Kingsley Napley.

2025 saw a chaotic regulatory landscape and novel litigation around environmental, social and governance issues and sustainability — and 2026, while perhaps more predictable, will likely be no less challenging, with more lawsuits and a regulatory tug-of-war complicating compliance for global companies, say attorneys at Crowell.

With EU and U.K. digital regulation becoming an operational reality in 2025 and no sign of slowing in 2026, organizations need to embed content moderation, cybersecurity and data access obligations into their compliance structures, although legislative divergences mean that multinational businesses must also consider parallel and sometimes conflicting expectations, say lawyers at Morrison & Foerster.

Paul Medlicott, head of private equity at Addleshaw Goddard, discusses the challenges of working on a deal involving five separate acquisitions in one day, why foreign direct investment legislation would benefit from refinement, and how the evolution of private equity has been positive for the industry.

The Financial Conduct Authority’s clear intention in 2025 to conduct fewer, faster investigations and reinforce transparency is likely to continue in 2026, with a dual-pronged approach of targeted enforcement and assertive supervision to fight crime, support growth and help consumers as its priorities, say lawyers at WilmerHale.

The judiciary’s recently updated guidance on the use of artificial intelligence warns judges and tribunal members about misinformation and white text manipulation, providing a reminder that AI tools cannot replace direct engagement with evidence and reflecting a broader concern about their application when handling confidential material, say lawyers at Hogan Lovells.

The recent High Court judgment in Municipio de Mariana v. BHP concerning the collapse of the Fundao dam establishes a precedent for holding parent companies that exercise significant control and assume responsibility liable for the actions of group entities, notwithstanding their multinational corporate structure, say lawyers at Irwin Mitchell.