When exploring the top law firms in Nigeria, discerning businesses and global investors look for a track record of excellence, proven industry insight, and the capability to navigate the complexities of both local and cross-border markets. In a Nigerian legal market known for its sophistication and growth, Giwa-Osagie & Co stands out as one of the prominent law firms in Nigeria, delivering trusted, strategic and commercially grounded legal solutions for more than three decades.
Established in1989 , Giwa-Osagie & Co has earned an enduring reputation as a leading commercial law firm in Nigeria, offering full-service corporate advisory support, high-level dispute resolution, and regulatory counsel to multinational organisations, regional corporates, pioneering start-ups, and government-linked entities. With recognition from global law firm rankings such as Chambers Global and IFLR1000, the firm is consistently mentioned among the top commercial lawyers in Nigeria for its excellence in legal services and client-focused outcomes.
What Makes Giwa-Osagie & Co a Leading Firm in Nigeria?
The Nigerian legal landscape demands precision, local market fluency, and an ability to guide clients across sectors ranging from energy and finance to telecommunications and aviation. Giwa-Osagie & Co continues to excel through deep industry expertise and a client-centric approach that ensures businesses receive the highest quality of legal support.
Unmatched Sector Expertise
The firm’s core capabilities span critical practice areas that shape Nigeria’s economic environment, including:
- Corporate and Commercial Law
- Mergers and Acquisitions (M&A)
- Banking and Finance
- Oil and Gas Law
- Mining and Power Projects
- Intellectual Property Law
- Regulatory Compliance
- Labour & Employment
- Telecommunications & IT
- Litigation and Arbitration
- Infrastructure and Real Estate
- Financial Technology
The breadth of practice areas and specialist teams positions the firm as a go-to advisor for business law in Nigeria, cross-border transactions, and technically complex transactions.
Corporate Lawyers in Nigeria with Global Perspective
In a business environment connected to global trade, capital flows, and regulatory cooperation, clients benefit from the firm’s strong international network. As a long-standing member of LEX Africa, the premier alliance of African law firms, Giwa-Osagie & Co offers seamless cross-border legal services — assisting multinational organisations entering Nigeria as well as Nigerian companies expanding abroad.
The firm’s lawyers are active members of global and national professional associations, including the International Bar Association and Section on Business Law of the Nigerian Bar Association, adding credibility and depth to their regulatory and international advisory work.
Exceptional Leadership and Talent
Led by Osayaba Giwa-Osagie, Senior Advocate of Nigeria (SAN), the firm combines strategic oversight with decades of experience in dispute resolution in Nigeria, complex corporate matters, regulatory advisory services, and high-value commercial transactions. With over 36 years of experience advising global and domestic clients, his leadership underscores the firm’s commitment to excellence and consistent delivery of favourable outcomes in high-stakes matters.
Achievements That Define Excellence
Giwa-Osagie & Co’s work spans decades of impactful legal mandates across priority sectors. Key achievements include:
- Advising a multinational cement company on a US$500 million expansion programme
- Successfully defending a leading commercial bank in intricate cross-border litigation
- Acting as transaction counsel for a major international airline’s multimillion-dollar property lease in Nigeria
- Acting as Transaction Counsel to a foreign consulate and its government agency in the acquisition of land for diplomatic purposes
- Advising international foundations, development organisations, renewable energy investors, and global NGOs on market entry, corporate structure, and labour law requirements
- Supporting significant M&A transactions in Nigeria, including due diligence, regulatory engagement, and restructuring advisory
- Advising companies in the oil and gas and energy sector on compliance with Nigeria’s Local Content Act and broader regulatory frameworks
From foreign investment advisory to PPPs, from fintech to maritime law, and from insolvency to arbitration and dispute resolution in Nigeria, the firm demonstrates deep legal capability and sector-driven insight.
Why Giwa-Osagie & Co Is a Top Law Partner for Business
With a client base that includes global corporations, international development agencies, embassies, regional corporates, and private equity investors, the firm has positioned itself as a top strategic partner for navigating the evolving Nigerian legal ecosystem. Whether supporting complex mergers and acquisitions in Nigeria, providing guidance on regulatory compliance, managing disputes, or offering sector-specific legal services, Giwa-Osagie & Co remains a benchmark for excellence among top law firms in Nigeria.
As Nigeria continues to emerge as an economic powerhouse, partnering with a law firm that combines deep local market mastery with global commercial perspective is essential. Giwa-Osagie & Co delivers exactly that — offering sophisticated legal services in Nigeria backed by more than 30 years of experience, multidisciplinary expertise, and cross-border strength.
For organisations seeking trusted legal partners with the capacity to manage complex commercial and regulatory matters, Giwa-Osagie & Co stands among the most respected names in Nigeria’s professional landscape.Learn more about their practice expertise and recent mandates here
