Cabinets d’avocats – England

Manders Law is an award-winning boutique family law firm established by Mary-Ann Wright and based in the City of London. The firm handles complex family law matters—including international cases, financial remedies and private children law—emphasizing client experience, senior-led service and transparent fee arrangements (including unbundled services); staff languages include Polish and Greek and the firm holds relevant Law Society and Resolution accreditations.

Marks & Clerk

England

Marks & Clerk LLP, founded in 1887, is a UK-based intellectual property firm and is described as the largest patent and trade mark attorney firm in the UK. The firm focuses on patent and trade mark prosecution, IP strategy and IP aspects of due diligence, serving clients from start-ups to multinationals and maintaining an international network of offices across the UK, North America, continental Europe and Asia.

Marriott Harrison LLP

England

Marriott Harrison LLP is a London-based specialist law firm advising on M&A, venture capital and related corporate and transactional matters, with a particular focus on technology-driven businesses, startups and growth-stage companies. The firm advises entrepreneurs, corporates, private equity and venture capital houses, banks and high net worth individuals on domestic and international (including transatlantic) transactions and corporate matters.

Masters Legal Costs Services LLP is a UK firm specialising in legal costs services. It operates in England and maintains a London office at Second & Third Floors, 15 Devonshire Square, London EC2M 4YW.

Mathys & Squire LLP

England

Mathys & Squire LLP is a full-service intellectual property firm in England that advises clients ranging from startups to major UK and multinational corporations on patent and trade mark matters. The firm provides patent and trade mark prosecution (including oppositions and appeals), portfolio management, dispute resolution, European IP expertise, and commercialisation and strategic IP advice.

Maucher Jenkins

England

Maucher Jenkins is an international intellectual property firm that helps businesses identify, establish, protect, exploit and enforce IP rights across the UK, Europe and worldwide. Its services include patent drafting, filing and prosecution, patent searching and litigation, trademark clearance and registration, domain name and copyright advice, design protection, and IP due diligence and portfolio management.

Maurice Turnor Gardner LLP

England

Maurice Turnor Gardner (MTG) is a London-based specialist private client law firm advising private clients, families, trustees and their advisers on complex, high-value matters including succession, tax, trusts, immigration, philanthropy, real estate and disputes. The firm focuses exclusively on private client work and combines technical expertise with an international reach and an emphasis on discretion and clarity.

McCann FitzGerald LLP

England, Ireland

McCann FitzGerald LLP is a major Irish full‑service law firm (with more than 650 people) that maintains a long‑established London office advising Irish, UK and international clients on Irish law matters. Its work spans corporate and finance practices—particularly investment funds, banking and debt capital markets—together with structured and secured finance, real estate, disputes and related specialist areas.

McCue Jury & Partners

England

McCue Jury & Partners LLP is an England-based firm known internationally for human rights work, victim class actions and public interest litigation, with expertise in transitional justice, conflict resolution, cross-border asset recovery, and representation of UK prisoners abroad and political prisoners worldwide. Founded in 2011 by Jason McCue and Matthew Jury, the firm advises governments, international bodies, NGOs, corporations and individuals and maintains a network of expert consultants and an internal litigation-support department.

McDonnell Ellis LLP

England

McDonnell Ellis LLP is a law firm in England with an office in London at 86-90 Paul Street, EC2A 4NE. Contact information listed includes telephone +44 20 3929 3883 and email info@mcdonnellellis.com.

Melius Family Law

England

Melius Family Law is an award-winning boutique firm based in central London specialising in all aspects of family law, with particular expertise in complex financial and children matters for high-net-worth individuals.

Mewburn Ellis LLP

England

Mewburn Ellis LLP is a European intellectual property firm advising across the IP life cycle, including patents, trade marks, registered designs, disputes and commercial/IP transactions. The firm has over 360 staff — including 53 partners and IP directors, more than 100 qualified patent and trade mark attorneys, solicitors and IP litigators, and 42 trainees — and operates five offices in London, Bristol, Manchester, Cambridge and Munich.

Meymand Maczynski Ltd

England

Meymand Maczynski Ltd is a boutique business immigration law firm based in Mayfair, England, regulated by the Solicitors Regulation Authority and established in 2020 by founding partners Sam Meymand and Olga Meymand. The firm has been ranked as a 'firm to watch' by the Legal 500 and its founding partners are recommended in that directory; it advises high-net-worth individuals and corporate clients with a tailored, bespoke approach.

Meysan Partners

England, Kuwait +1

Meysan Partners is a law firm with offices in Kuwait, Lebanon and London, known for high-value M&A, banking and capital markets work and for international dispute resolution. The Kuwait office (founded 2015) is the firm’s flagship and largest practice; the Beirut office opened in 2019 and the London office was established in 2023 with a focus on complex cross-border disputes and international arbitration.

Michelman & Robinson, LLP is a law firm founded in Los Angeles in 1999 that has expanded to multiple offices worldwide. Its London office, opened in June 2025, serves as a strategic hub for the firm’s international operations and focuses on Corporate Crime & Investigations, Commercial Litigation and Arbitration, and Banking & Finance.

Michelmores LLP

England

Michelmores LLP is an English law firm of over 450 people that provides a broad spectrum of legal services to clients across the UK and internationally. The firm emphasizes collaborative, creative and commercial legal advice and states a strong commitment to promoting sustainable business practices and supporting the transition to a green economy.

Milberg London

England

Milberg London LLP, launched in 2020, is a litigation firm specialising in complex multi‑party and large‑scale group litigation, with a focus on consumer redress. The team also handles commercial and banking disputes, financial markets matters and corporate/shareholder issues, has secured over £90 million in litigation funding, and established a competition litigation practice in 2021.

Miles & Partners LLP

England

Miles & Partners LLP, founded in 1996 and based near Liverpool Street in the City of London, is a specialist practice of 20+ lawyers advising regionally and internationally on family law, mental health, community care and housing matters. The firm acts for both privately funded and legally aided clients and represents clients in court up to the higher courts and the Court of Appeal.

Miles Preston

England

Miles Preston is a central London specialist practice focusing exclusively on family law, handling cases including divorce, financial claims, children matters and trust-related disputes. The firm comprises two partners (Marcus Dearle—senior partner since 1 July 2023—and Patricia Hollings) and three consultants (Julia Stanczyk, Harriet Wait and Anna Nice), and offers England & Wales and Hong Kong law advice from its London base.

Mills & Reeve LLP is a major UK law firm with offices in six cities—London, Birmingham, Cambridge, Leeds, Manchester and Norwich—advising a mix of multinational corporations, public sector organisations, high‑net‑worth individuals, start‑ups and other clients. The firm offers sector-focused legal expertise across areas such as health, private wealth, education, insurance, charities, agriculture, real estate investment, food and beverage, sport and technology, and provides international advice through a network of trusted partners.

Mishcon de Reya LLP

England

Founded in 1937 by Lord Mishcon, Mishcon de Reya is an international law firm employing over 1,400 people, including approximately 650 lawyers, with offices in London, Oxford, Cambridge, Singapore and an association in Hong Kong. The firm advises on cross-border, multi-jurisdictional and complex matters, emphasises close client relationships and applies advanced technologies including artificial intelligence, machine learning and data science in its services.

Moore Barlow

England

Moore Barlow is a law firm serving clients across the South of England with offices in London, Surrey and Hampshire. The partner-led teams provide advice on corporate and commercial matters, real estate transactions, employment, family law, private wealth and personal injury, and handle dispute resolution.

Morr & Co LLP

England

Morr & Co LLP, with roots dating to 1729, is a UK law firm operating from offices across Surrey, Hampshire and London. The firm employs 143 legal experts and 22 partners and provides private client and commercial legal services to businesses, families and private individuals.

Mourant

British Virgin Islands, Cayman Islands +6

Mourant is a law firm‑led professional services business with over 60 years' experience advising financial services clients. The firm provides legal advice on the laws of the BVI, Cayman Islands, Guernsey, Jersey and Luxembourg and offers specialist entity management, governance, regulatory and consulting services from offices in major international finance centres including London, Singapore and Hong Kong.