Business Details
50+ Years
experience
Your Trusted Legal Partner in London
Cozen O'Connor has defined itself through client success for over 50 years, operating as a full-service law firm with expertise in litigation, corporate law, and government relations. Our team of 925+ attorneys across 32 global offices delivers sophisticated, business-minded legal solutions to Fortune 500 companies, startups, and high-profile individuals. With roots in litigation and a reputation for achieving results, we combine intellectual rigor with practical efficiency to serve clients in complex commercial disputes, mergers and acquisitions, regulatory compliance, and more.Recognised by Chambers & Partners, The Legal 500, and Best Lawyers, our commitment to excellence spans sectors including technology, healthcare, real estate, and energy infrastructure. We maintain ancillary services in cybersecurity, subrogation, and government relations to provide holistic client support.
Services
Litigation
Corporate Law
Government Relations
Mergers & Acquisitions
Cybersecurity
Details
- Year established: 1970
Highlights and features
- We have over 50 years of experience in complex litigation and corporate law.
- Our team includes 925+ attorneys across 32 global offices.
- Recognised by Chambers & Partners and The Legal 500 for legal excellence.
- We serve Fortune 500 companies, startups, and high-profile individuals.
- Ancillary services in cybersecurity and government relations enhance client support.
Associations and certifications
- Chambers & Partners
- The Legal 500
- Best Lawyers
Services
Litigation
Cozen O'Connor's litigation practice combines aggressive advocacy with strategic problem-solving to resolve complex commercial disputes, class actions, and regulatory challenges. Our attorneys handle high-stakes cases in antitrust, product liability, and intellectual property law. With a track record of successful verdicts and settlements, we prioritise client objectives while minimising business disruption.
Corporate Law
We provide comprehensive corporate legal services covering mergers and acquisitions, venture capital, and regulatory compliance. Our team advises on cross-border transactions, corporate governance, and risk management for clients ranging from startups to multinational corporations. Tailored solutions ensure alignment with evolving business goals and industry regulations.
Government Relations
Our bipartisan government relations team navigates federal, state, and local policy landscapes to advance client interests. Specialising in legislative advocacy, regulatory compliance, and crisis management, we represent clients before executive and legislative bodies. Decades of political experience inform strategic counsel on antitrust, data privacy, and environmental regulations.
Questions
What areas of law does Cozen O'Connor specialise in?
We specialise in litigation, corporate law, government relations, mergers and acquisitions, cybersecurity, and regulatory compliance.
When was Cozen O'Connor established?
The firm was founded in 1970 and has grown to 925+ attorneys across 32 global offices.
Does Cozen O'Connor operate outside the United States?
Yes, we have offices in Canada, the United Kingdom, and collaborate with international legal networks.
What industries does the firm serve?
We work with clients in technology, healthcare, energy, real estate, financial services, and manufacturing sectors.
