London Office

2-4 King Street

St James’s, London

SW1Y 6QP

London

Opened in 2018, Cohen & Gresser’s London office provides legal services to clients around the world. The London office represents investment managers, financial institutions, global companies, family offices, and individuals in a variety of disciplines. On the transactional side, we represent clients in all aspects of investing and investments, restructurings, and divestitures. The UK commercial litigation team advises on a wide range of cross-border disputes, and are well-versed in funds, financial services, and insurance litigation in a number of jurisdictions, including offshore jurisdictions. Our UK white collar defense and investigations team represents entities and individuals in complex economic crime, investigations, and regulatory matters. The London office works closely across practices with colleagues in New York and Paris, providing seamless support on sophisticated cross-border matters.

Partner Daniel H Mathias leads the London office and has extensive experience advising private equity firms, owners, family offices, growth equity funds, and other alternative asset managers on their investments and divestments. Having worked in London, Washington D.C., Los Angeles, and Hong Kong, Daniel has significant international transactional experience and often works with U.S.-based clients on domestic and major cross-border transactions.

 

Legal Notice (UK) / Website Disclosure

Cohen & Gresser is honored to be named to Global Investigations Review’s GIR 100 for the sixth year in a row, reaffirming its position as a leading international law firm for cross-border investigations.

The GIR 100, a definitive guide to the world’s top firms for investigations, recognized Cohen & Gresser for its exceptional representation of high-profile individuals and companies. The firm was highlighted for its strong team of renowned lawyers operating in key jurisdictions worldwide. The GIR 100 is based on comprehensive submissions and rigorous independent research, identifying the top 100 firms globally that excel in government-led, internal, and cross-border investigations.

Cohen & Gresser’s White Collar Defense and Regulation practice, which spans its offices in New York, Washington, D.C., Paris, and London, is central to its continued success. The practice boasts a highly experienced Internal Investigations team that advises global clients, including corporations, boards of directors, special committees, and audit committees.

The team’s work encompasses the full spectrum of investigations, from responding to discrete, anonymous employee complaints to managing complex, wide-ranging investigations tied to ongoing litigation or regulatory and criminal scrutiny.

This recognition underscores Cohen & Gresser’s dedication to providing clients with sophisticated, strategic counsel in even the most challenging investigative matters.

The 2025 edition of The Legal 500 UK Solicitors guide has recognized Cohen & Gresser’s London office for excellence in Commercial Litigation: Mid-Market and two White-Collar Crime and Defense categories: Fraud: White-Collar Crime (Advice to Individuals) and Regulatory Investigations and Corporate Crime (Advice to Corporates).

Richard Kovalevsky KC has been named a Leading Partner in the Regulatory Investigations and Corporate Crime (Advice to Corporates) category. Thomas Shortland is recognized as a Next Generation Partner in the Commercial Litigation: Mid-Market category, where Patrick Ferguson is also included as a Recommended Lawyer.

Testimonials included in the guide commend the London team as “one of the most impressive around,” noting that the team is “unwaveringly committed and responsive throughout cases” and “achieves victories that clients can usually only dream about.”

Since opening in 2018, Cohen & Gresser’s London office has delivered top-tier legal services to clients globally across a wide range of disciplines. The team collaborates closely with colleagues in New York, Paris, and Washington, D.C., offering seamless support on complex cross-border matters.

The Legal 500 UK Solicitors guide highlights the best lawyers and law firms in the UK through in-depth research, interviews, and analysis of thousands of submissions.

Cohen & Gresser advised Investcorp, a leading global alternative investment firm, on its secondary buyout of Stowe Family Law, the largest specialist family law firm in the United Kingdom, from private equity firm Livingbridge. Cohen & Gresser acted as deal counsel to its client Investcorp. The Cohen & Gresser team was led by Daniel H. Mathias, and included Tom Shortland and James Mossetto. Terms of the transaction were not disclosed.

Read Investcorp’s press release here.

The 2024 Chambers High Net Worth guide has recognized Cohen & Gresser’s White Collar Defense and Regulation practice, which earned a Band 3 ranking for Financial Crime: High Net Worth Individuals. The firm is one of only 17 ranked in this category throughout the UK.

Additionally, partner Richard Kovalevsky KC received a Band 1 individual ranking in this category.

High Praise for Client Service and Sophisticated Work

Chambers highlights C&G’s strength in representing affluent clients in financial crime matters, with references noting that the firm has a “diverse team with different skill sets” with "very professional and prepared litigators capable of intelligently resolving any matter.”

Richard Kovalevsky KC is lauded for his outstanding work for High Net Worth individuals and families facing allegations of fraud or facing tax investigations. "Truly the best lawyer I have ever worked with; a global thinker, a creative mind and an incredibly hard worker," one client noted. "Richard Kovalevsky KC is excellent. He works hard and cares about the work he is doing. He is attentive and responsive," wrote another reference. "Richard Kovalevsky's an extraordinary lawyer and human being; very smart and prepared. Capable of solving large-scale situations." 

About Chambers High Net Worth

Published by Chambers & Partners, the 2024 Chambers High Net Worth guide ranks the leading lawyers and law firms for international private wealth. The guide is used by family offices and professional advisers to wealthy individuals, providing objective guidance on an international scale. According to Chambers, “Those ranked in the guide understand the complex needs of HNW individuals and provide specialist advice.”

John W Gibson and Richard Kovalevsky KC, partners in our London office, have been recognized in the 2025 edition of The Best Lawyers in the United Kingdom. Both John and Richard are recognized for their work in the fraud category.

John leads the firm’s UK White Collar and Investigations practice. His work focuses on complex economic crime, investigations, sanctions, and regulatory matters.

Richard is the head of Criminal Defense for the London office. He has over 30 years of experience representing high net worth individuals, directors, and corporations in a wide variety of white-collar criminal disputes, regulatory and internal investigations, and associated civil litigation, with a particular focus on financial crime.

The Best Lawyers in the United Kingdom relies entirely on peer review to determine and recognize the “highest of talent in the legal industry.”

Opened in 2018, Cohen & Gresser’s London office provides legal services to clients around the world, working closely across practices with colleagues in New York, Washington, D.C., and Paris to provide seamless support on sophisticated cross-border matters. Our UK white collar defense and investigations team represents entities and individuals in complex economic crime, investigations, and regulatory matters.

John Gibson, Richard Kovalevsky KC, and Andrew Mitchell KC from our London office, and Muriel Goldberg-Darmon from our Paris office, have each been recognized by Who’s Who Legal (WWL) as recommended lawyers for the Investigations category for 2024. The report highlights the foremost lawyers working on a wide range of issues in white-collar crime, corporate compliance, and regulatory enforcement.

Andrew is also recognized in both the Criminal Fraud and Investigations categories of the UK Bar Silks report, which lists “the very best barristers … across over 28 areas of business and commercial law, including some of the leading litigators globally.”

WWL identifies leading lawyers across 80 areas of law and in more than 150 countries. Leading practitioners are determined by independent analysis of recommendations and feedback from eminent private practitioners in a particular sector or industry, as well as from corporate counsel or other clients who have worked closely with the nominees.

Cohen & Gresser partners John W Gibson and Richard Kovalevsky KC have once again been recognized among the top lawyers for high net worth (HNW) individuals by Spear’s Wealth Management in their 2024 Legal Index, which identifies the top legal counsel for private clients in the UK.

John Gibson, head of Cohen & Gresser’s UK White Collar and Investigations Practice, is featured as a “Top Recommended” lawyer for Criminal Law and White Collar Crime in the 2024 index. He is commended by Spear’s for his “particular expertise with UK/US cooperation in economic crime investigation” and experience working with the U.S. Department of Justice and Federal Bureau of Investigation. With almost three decades of litigation and advisory experience, including five years as a senior prosecutor in the bribery and corruption unit of the UK’s Serious Fraud Office (SFO), John’s practice at Cohen & Gresser focuses on complex economic crime, investigations, and regulatory matters in the UK, Europe and emerging markets.

Richard Kovalevsky KC has maintained his long-standing status as a “Top Recommended” lawyer in the Spear’s Hommes d’Affaires category. Richard is the head of the Criminal Defense Practice for Cohen & Gresser’s London office, specializing in advising and representing HNW individuals in connection with international and domestic legal matters. Spear’s states, “What’s noteworthy is the wide range of cases that come across Kovalevsky’s desk – from cases involving business, finance, stock market dealings, listings and announcements, to corruption, tax, fraud and money laundering.” The index similarly praises Richard for his wide-ranging client base, which includes global business leaders and high-profile politicians to HNW individuals and members of prominent families.

John and Richard and their UK colleagues work closely with attorneys in Cohen & Gresser’s U.S. and Paris offices on complex multi-jurisdictional matters and offer a multi-disciplinary practice tailored to the needs of ultra-high and high-net-worth individuals and family offices. Leveraging decades of experience, including at premier investment houses, the Bar, and the top tier of elite global law firms, Cohen & Gresser delivers consistent, high-quality service across the types of matters our clients are likely to face, including fund investing and structure, strategic transactions, art law and restitution, privacy and data security, employment matters, tax issues, regulatory considerations, commercial disputes, reputation management, and, when necessary, defense against litigation, investigation, and prosecution.

In a private equity article published in Law360, Daniel Mathias discusses flexible and hybrid capital investment strategies, which have become a solution for business owners considering capital fundraising but whose plans may not fit into the typical private equity or private credit options. He examines the features and nuances of flexible capital investments, which potentially offer numerous benefits for some.

In his first speech as Director of the UK Serious Fraud Office, Nick Ephgrave last month expressed provisional support for financial incentives to whistleblowers in cases alleging significant economic crime. This marks a strategic shift as he seeks new approaches to expedite investigations and prosecutions.

In this Client Alert, John Gibson, Thomas Shortland, and Ashley Collins explore the divergent approaches to whistleblower payment schemes in the UK and the U.S. and shed light on the challenges and opportunities faced in this area by the current Director of the SFO.

The 2024 edition of The Legal 500 UK Solicitors guide has recognized Cohen & Gresser’s London office for excellence in Commercial Litigation and two White-Collar Crime and Defense categories: Fraud: White-Collar Crime (Advice to Individuals) and Regulatory Investigations and Corporate Crime (Advice to Corporates).

Richard Kovalevsky KC received recognition as a Leading Individual in the Regulatory Investigations and Corporate Crime (Advice to Corporates) category, and Thomas Shortland is recognized as a Next Generation Partner in the Commercial Litigation: Mid-Market category. Additionally, John Gibson, Sir David Green CB KC, Ashley Collins, Patrick Ferguson, and Charlotte Ritchie are recognized as recommended lawyers.

Testimonials included in the tables praise the London team as “brilliantly innovative,” “top of the league,” and “standout stars in every way.” Client feedback also highlighted the team’s relentless persistence: “They will work unflaggingly and constantly until they have left no stone unturned and no potentially winning avenue unexplored.”

Opened in 2018, Cohen & Gresser’s London office provides legal services to clients around the world in a variety of disciplines. The office works closely across practices with colleagues in New York, Paris, and Washington, D.C., providing seamless support on sophisticated cross-border matters.

The Legal 500 UK Solicitors reflects the best lawyers and law firms in the UK following extensive research, interviews, and analysis of tens of thousands of submissions.


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General Inquiries

info@cohengresser.com

Managing Partner

Daniel H Mathias

2-4 King Street

St James’s, London

SW1Y 6QP


+44 (0) 20 8037 2330 phone