ONTIER is a global law firm headquartered in Madrid that positions itself as “more than lawyers,” combining international reach with strong local roots across Europe and Latin America. Founded in 1959, it now operates through roughly 18 offices in 13 countries, including Spain, Italy, the UK, the US, Mexico, Brazil, Chile, Colombia, Peru, Bolivia, Paraguay, the Dominican Republic, and Venezuela, serving international clients with cross‑border interests.

Firm profile and focus

The firm serves as a strategic partner for businesses, helping them grow and resolve complex disputes by aligning legal solutions with commercial objectives. Its model emphasizes a “global reach with local soul,” leveraging local lawyers’ market knowledge under a shared brand, technology platform, and consistent pricing philosophy without hidden extra costs.

Core practice areas

ONTIER covers a broad range of services, including corporate, commercial and finance; M&A; dispute resolution and international commercial litigation; international arbitration; EU competition; labour; real estate and construction; public law and regulatory compliance; intellectual property and trademarks; restructuring and insolvency; white‑collar crime; and energy and natural resources. It has also built market‑leading credentials in offshore litigation, and contentious financial services matters.

Ontier México

Ontier México advises local and multinational clients on corporate and M&A deals, private equity, finance, and energy projects, among other areas, and is praised for its “highly experienced” corporate team in The Legal 500. Testimonials highlight the team’s pragmatism, client commitment, and efficiency in executing transactions on time and on budget, with clients including Alta Growth Capital, Didi, and fintech Efectransfer.

Strategy and recent developments

The firm continues to grow through selective integrations, such as the 2025 incorporation of Chilean tax boutique Matthei Abogados to strengthen its Ibero‑American platform. Ontier’s communications emphasize being “change catalysts and growth enablers,” with insights on topics like compliance convergence (GDPR, AI Act, NIS2, Italian Model 231) and strategic financings such as Banobras bond placements in Mexico.