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Marilou Pavlou Christodoulides LLC

Cyprus

Marilou Pavlou Christodoulides LLC (MPC Legal) is a full-service Cyprus law firm focused on corporate, commercial and financial regulation, with particular strength in cross-border M&A and fiduciary services. The firm’s founding partner, Marilou Pavlou, is a UK-qualified City solicitor; MPC advises on trusts, foundations, tax planning, asset management and regulatory matters.

Mark Lee Chambers Law Corporation is an independent boutique law firm based in Singapore specializing in complex high‑stakes disputes and deals, with a particular focus on corporate law, joint ventures, and shareholder and boardroom matters. The firm emphasizes robust legal representation informed by global perspectives and seeks to create value for clients.

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.

Marohnic, Tomek & Gjoic, Law Firm

Croatia

Marohnić, Tomek & Gjoić (MTG) is a licensed Croatian law firm established in 2016 by three senior partners, providing specialized legal advice to large local and international corporate clients. The firm focuses on real estate and logistics, energy and infrastructure, regulatory matters, M&A, banking and finance, and major commercial development projects.

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.

Marshall Dennehey, PC

United States

Marshall Dennehey, founded in 1962, is a U.S. civil defense litigation law firm that represents insurers, self-insured businesses, municipalities, and professionals in casualty, employment, professional liability, health care, and workers' compensation matters. The firm has 500 attorneys in 19 offices across Pennsylvania, New Jersey, Delaware, Ohio, Florida, New York, and Connecticut.

Martens Abogados, S.C.

Mexico

Martens Abogados, S.C. is a Mexico-based litigation firm specializing in complex business disputes and dispute resolution, handling administrative, civil, constitutional and commercial litigation as well as domestic and international arbitration. The firm is recognized by international publications as one of Mexico’s leading dispute resolution practices and emphasizes meticulous case analysis, strategic planning, and experience before federal and local courts.

Martin Suryana & Associates

Indonesia

Founded on 23 August 2007, Martin Suryana & Associates is an Indonesian law firm with a notable presence in Surabaya that provides both litigation and non‑litigation services to corporate and individual clients. The firm handles matters including employment, real estate, bankruptcy, corporate and investment law, intellectual property, contracts, due diligence, and M&A.

Martinelli Advogados

Brazil

Martinelli Advogados is a Brazil-based law firm with multiple office locations across the country. The firm maintains offices in several Brazilian cities, serving clients from regional offices in Porto Alegre, Brasília, Maringá, São Paulo, Joinville, Curitiba, Belo Horizonte and Campinas.

Martinez Vergara & Gonzalez Sociedad

Philippines

Martinez Vergara & Gonzalez Sociedad (MVGS) is a Philippine law firm providing legal services across corporate and commercial matters, banking and finance, securities and capital markets, corporate finance, mergers and acquisitions, intellectual property, litigation and alternative dispute resolution, labour and employment, and immigration. The firm serves as retained counsel for local and foreign banks and financial institutions and has experience in loan syndications, project finance, debt restructuring and various capital markets transactions.

Martínez Quintero Mendoza González Laguado & de la Rosa

Colombia

Martínez Quintero Mendoza González Laguado & De La Rosa is a full-service Colombian law firm headquartered in Bogotá with an additional office in Madrid, Spain. The firm, led by Managing Partner Camilo Martínez Beltrán, comprises about 21 partners and 90 lawyers and advises banking and financial institutions, securities market participants and international clients on regulatory and transactional matters including capital markets and investment funds.

Martínez de Hoz & Rueda

Argentina

Martínez de Hoz & Rueda (MHR) is a full-service Argentine law firm headquartered in Buenos Aires with an additional office in Neuquén (Vaca Muerta). The firm focuses on corporate, finance, dispute resolution, tax, regulatory and energy matters and serves clients across Argentina and Latin America.

Martínez y de Labra Abogados is a Mexican law firm with an office located at Avenida Real Acueducto 240, Piso 5, Fraccionamiento Puerta De Hierro, Zapopan, Jalisco 45116, Mexico. The location page lists a contact phone number (+52 33 3611 1788) and email (gcastro@fmlsc.mx).

Marval O’Farrell Mairal

Argentina

Founded in 1923, Marval O’Farrell Mairal is the largest law firm in Argentina, comprising over 300 lawyers and advising on high-end corporate and finance matters as well as major litigation and arbitration work. The firm offers broad practice coverage including intellectual property, tax, fintech and energy, is the Argentine member of Lex Mundi and maintains an office in New York to support US transactions.

Marván, González Graf y González Larrazolo, S.C. (MGGL)

Mexico

Marván, González Graf y González Larrazolo, S.C. (MGGL) is a Mexico-based specialist labour and employment boutique with more than 130 lawyers dedicated to labour and employment matters. The firm is noted for an institutionalised, modern approach, serves multinational and domestic clients, and its partners hold advanced degrees from leading universities.

Marxer Attorneys

Liechtenstein

Founded in 1925, Marxer Attorneys is Liechtenstein’s oldest and largest law firm, with approximately 40 lawyers and over 60 support staff offering comprehensive legal counsel. The firm is internationally active, an exclusive member of Lex Mundi, and uses affiliated fiduciary and trust entities to provide corporate, foundation, trust and related tax and real estate services.

Mascareño Vargas - Asesores is a law firm based in Asunción, Paraguay. The firm's website lists an Asunción office address, phone number and email for contact.

Mason Hayes & Curran LLP

Ireland

Mason Hayes & Curran LLP is an Irish business law firm with 124 partners and total staff in excess of 600, providing legal advice across business life cycles and sectors including energy and technology. The firm has offices in Ireland, London, New York and San Francisco and was named ‘Law Firm of the Year: Republic of Ireland’ at The Lawyer European Awards 2025.

Masotti Cassella is an international business law firm based in Milan, Italy, established in 1965. The firm provides multidisciplinary legal and tax services across corporate and commercial matters (including M&A), compliance, finance, insolvency and restructuring, tax, life sciences, project finance, employment, administrative law, real estate, litigation and arbitration, and intellectual property, and maintains relationships with selected firms in the US, Europe and Asia.

Masouros & Partners

Greece

Masouros & Partners is an Athens-based law firm advising corporates, financial institutions, investors, hotel operators and high-net-worth clients on complex Greek and cross-border mandates. The firm focuses on partner-led execution of corporate/M&A, finance, restructuring, hospitality projects, employment matters and select high-stakes disputes, emphasising commercial clarity and close partner involvement.

Massey & Gail LLP

United States

Massey & Gail LLP is a national litigation boutique specializing in complex commercial and financial disputes. The firm represents Fortune 50 companies and other major clients in high-stakes litigation, arbitration, and regulatory 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.

Masuda Funai

United States

Masuda Funai assists Japanese and other international companies with entering and operating in the U.S. market, providing guidance on business expansion, strategic alliances, joint ventures, and acquisitions.