Business Details
Your Trusted Global Law Firm Partner
Mayer Brown is an international law firm with a distinguished heritage dating back 130 years in London. Our global team of award-winning lawyers specialises in delivering strategic legal solutions for complex transactions and disputes, serving major corporations, funds and financial institutions. We combine deep commercial insight with technical expertise across 40+ practice areas, maintaining a client-centric ethos that prioritises innovative problem-solving and trusted advisory relationships.With 30 offices across the Americas, Asia, Europe and the Middle East, we leverage cross-border collaboration and technological advancements to address clients' evolving needs. Our commitment to excellence is evidenced by consistent recognition as a top-tier legal practice in global rankings and industry awards.
Services
Capital Markets
Financial Services
International Arbitration
Project Finance
Corporate Mergers
Regulatory Compliance
Dispute Resolution
Infrastructure Investment
Energy Law
Technology Transactions
Highlights and features
- We have 130 years of legal expertise in London's financial district
- Our global network spans 30 offices across 11 countries
- Award-winning litigators ranked Band 1 by Chambers USA for 13 consecutive years
- Multidisciplinary teams handle complex cross-border transactions and disputes
- Client service principles focus on innovation, diversity and strategic partnership
Services
Capital Markets
Our capital markets team advises on complex equity and debt transactions across global financial centres. We specialise in IPOs, bond issuances and structured finance products, combining local regulatory expertise with international best practices. Clients benefit from our deep understanding of market dynamics and regulatory requirements in both established and emerging markets.
International Arbitration
We represent clients in high-stakes international commercial and investment treaty arbitrations. Our experience spans ICC, ICSID and ad hoc proceedings across diverse sectors. The team combines procedural expertise with industry-specific knowledge to deliver effective dispute strategies and enforceable outcomes in complex cross-border conflicts.
Project Finance
Our market-leading project finance practice structures innovative financing solutions for infrastructure developments worldwide. We handle energy, transportation and public-private partnership projects, advising sponsors, lenders and governments on risk allocation, regulatory compliance and transaction execution across all project phases.
Corporate Mergers
We provide comprehensive M&A advisory services for domestic and cross-border corporate combinations. Our integrated teams handle due diligence, regulatory approvals and transaction structuring, with particular expertise in complex multi-jurisdictional deals requiring coordinated legal and tax planning.
Regulatory Compliance
Our compliance specialists help organisations navigate evolving regulatory frameworks across jurisdictions. We focus on financial services regulation, anti-corruption measures and data protection requirements, developing tailored compliance programs that mitigate legal risks while supporting business objectives in heavily regulated industries.
People
Joseph Seliga
Partner
Joseph Seliga is a Chicago-based partner specialising in project finance and infrastructure transactions. With extensive experience in energy and transportation sectors, he advises lenders and sponsors on complex financing structures across North America and emerging markets.
Questions
What areas of law does Mayer Brown specialise in?
We specialise in capital markets, corporate transactions, dispute resolution, financial services regulation, infrastructure projects and international arbitration across 40+ practice areas.
How does Mayer Brown handle cross-border legal matters?
Our integrated global teams collaborate across 30 international offices, combining local jurisdictional knowledge with coordinated cross-border strategies for multinational transactions and disputes.
What industries does Mayer Brown serve?
We serve clients in financial services, energy, infrastructure, technology, healthcare, manufacturing and government sectors with industry-specific legal expertise.
What distinguishes Mayer Brown from other law firms?
Our distinctive approach combines 130 years of heritage with innovative problem-solving, multidisciplinary collaboration and a client-focused culture that prioritises strategic commercial understanding.
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