Ocampo & Suralvo Law Offices

OS Law is a full-service law firm in the Philippines, with more than 30 lawyers and 20 support staff dedicated to helping clients achieve their business goals. OS Law assists its clients with their corporate, commercial, tax and litigation needs across a spectrum of business concerns including general corporate and commercial matters, company establishment and registration, contract negotiation and drafting, mergers and acquisitions, joint ventures, corporate restructuring, foreign direct investments, tax advisory, tax advocacy, court disputes, arbitration, financial rehabilitation and regulatory concerns.

OS Law team is relied upon by top global and regional law firms to deliver the Philippine scope in multi-jurisdictional engagements. The partners of OS Law have especially distinguished themselves in the areas of power & energy, mergers & acquisitions, tax advocacy, dispute resolution and financial rehabilitation.

At the 11th Annual ALB Philippine Law Awards 2026, OS Law won M&A Deal of the Year for its role as legal counsel to Glacier Megafridge, Inc. and certain of its shareholders, including Exergy and Ikhlas Capital, on AC Logistics Holdings Corporation’s acquisition of a significant stake in one of the Philippines’ leading cold storage operators, a deal led by Managing Partner Jude Ocampo. OS Law was also a finalist for a second M&A Deal of the Year for advising Gunkul Engineering Public Company Limited on its acquisition of a 40% interest in Blue Solar Holdings Inc., one of the largest renewable energy investments in the Philippines, with two of the four M&A Deal of the Year finalists involving OS Law.

One of OS Law’s partners, Atty. Jude Ocampo has been named among the Top 100 Lawyers of the Philippines by Asia Business Law Journal for six consecutive years (2020-2025), and OS Law was named In-House Community’s Philippine Compliance/Regulatory and Antitrust/Competition Firm of the Year in 2021, and Antitrust/Competition Firm of the Year again in 2022. Atty. Karen Ocampo has likewise been named among the Top 100 Lawyers of the Philippines twice, in 2025 and 2026, primarily for her tax and data privacy practice. OS Law’s tax practice has been recognized as a Top 4 tax practice in the Philippines for five consecutive years (2020-2024) by the Asia Business Law Journal.

OS Law is also driven to provide Philippine businesses with solutions that enable them to thrive in the global economy. It is the exclusive affiliate of DFDL, a leading international law firm specializing in Asia’s emerging economies.