Photo of Mary Wilks

Mary Wilks

Mary Wilks is an Antitrust partner and a member of the Firm's Private Capital industry group.

Mary advises on a broad range of EU and UK competition law issues, including multijurisdictional mergers, behavioral investigations, complex supply and distribution arrangements, and foreign investment controls including, notably, the UK’s newly adopted National Security and Investment Act. She advises clients on the competition aspects of transactions including M&A, equity investments, consortium transactions and secondaries.

Mary works across all sectors, with particular experience in consumer products, healthcare, TMT and financial services.

Mary regularly counsels clients on their engagement with the Competition and Markets Authority, the European Commission, and other prominent international enforcement agencies and regulatory authorities.

Mary Wilks has a reputation as an “excellent lawyer” who “plays a leading role on a range of high-profile cases.” According to sources, “She is always fully on top of the detail but also able to pull out the most important points for the case.

Prior to joining Proskauer, Mary was a counsel in the antitrust, competition and trade department at another leading law firm in London.

Welcome to the FinReg Monthly Update, a regular bulletin highlighting the latest developments in UK, EU and U.S. financial services regulation.

Key developments in December 2025:

Asset Management / Wealth Management

18 December – AIFMD 2.0 Liquidity Management Tools: European Securities and Markets Authority (“ESMA”) published an amended version of its guidelines on

Welcome to the FinReg Monthly Update, a regular bulletin highlighting the latest developments in UK, EU and U.S. financial services regulation.

Key developments in November 2025:

Asset Management / Wealth Management

17 November – Liquidity Management RTS: The European Commission has adopted Delegated Regulations containing regulatory technical standards (RTS) on liquidity management tools under the Alternative

Welcome to the FinReg Monthly Update, a regular bulletin highlighting the latest developments in UK and EU financial services regulation.

Key developments in October 2025:

Financial Advice / Wealth Management

31 October – FCA Consolidation Review: The UK Financial Conduct Authority (“FCA”) published its findings following a multi-firm review of consolidation in the

Welcome to the FinReg Monthly Update, a regular bulletin highlighting the latest developments in UK and EU financial services regulation.

Key developments in September 2025:

30 September

FCA Priorities: The United Kingdom Financial Authority (“FCA”) published a speech given by Lucy Castledine, FCA Director of Consumer Investments, providing an update on the FCA’s

Welcome to Proskauer’s FinReg Monthly Update, a regular bulletin highlighting the latest developments in UK and EU financial services regulation.

Key developments in August 2025:

28 August

FCA Communications: The UK Financial Conduct Authority (“FCA”) published an update on its approach to simplifying supervisory communications, aiming to make its engagement with firms clearer

Welcome to Proskauer’s FinReg Monthly Update, a regular bulletin highlighting the latest developments in UK and EU financial services regulation.

Key developments in July 2025 and 1 August 2025:

1 August

Motor Finance Commissions: The UK Supreme Court handed down its judgement in Hopcraft and another v Close Brothers Limited and two other cases, all

Welcome to the Regulation Round Up, a regular bulletin highlighting the latest developments in UK and EU financial services regulation.

Key developments in June 2025:

30 June

Investment Advice: The Financial Conduct Authority (“FCA”) published a consultation paper (CP25/17) on proposals for a new form of support for consumers’ pensions and retail investments

Welcome to the Regulation Round Up, a regular bulletin highlighting the latest developments in UK and EU financial services regulation.

Key developments in May 2025:

30 May

Trade Settlement: The Financial Conduct Authority (“FCA”) published a press release on the faster settlement of trades in funds.

29 May

FCA Regulation Round‑up: The FCA

Welcome to the UK Regulation Round Up, a regular bulletin highlighting the latest developments in UK and EU financial services regulation.

Key Developments in April 2025:

29 April

ESG: The FCA updated its webpage on its consultation paper on extending the sustainability disclosure requirements (“SDR”) and investment labelling regime to portfolio managers (CP24/8).

Welcome to the Regulation Round Up, a regular bulletin highlighting the latest developments in UK and EU financial services regulation.

Key developments in March 2025:

31 March

Securitisation: The Joint Committee of the European Supervisory Authorities (“ESAs”) published a report on the implementation and functioning of the Securitisation Regulation (2017/2402)

27 March

FCA