Sean Brannigan KC
About Sean Brannigan KC
Sean Brannigan KC is a lawyer based in London, GB and has been recognized in The Best Lawyers in the United Kingdom™ since 2014. Sean Brannigan KC is recognized in the following practice areas:
- London, United Kingdom
- Construction Law
- Energy and Natural Resources Law
Current Firm: 4 Pump Court
Location: London, GB
Nearby Lawyers
Tony Horspool is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Restructuring Law. Tony, who practices law in London, United Kingdom, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tony is held by other top lawyers in the same geographic and legal practice area.
Ceyda Knoebel is an English-Turkish dual-qualified solicitor and Of Counsel in the London office of Gibson, Dunn & Crutcher. She is a member of the firm’s Dispute Resolution and International Arbitration Groups. Ms. Knoebel advises on a wide range of disputes involving public international law and general commercial matters in common and civil law jurisdictions. She has experience in both commercial and investment treaty arbitration proceedings under the UNCITRAL, ICSID, ICC, VIAC a...
Paul Maher serves as a Vice Chair of Greenberg Traurig. He concentrates on corporate law, particularly cross-border public and private mergers and acquisitions. He advises a wide range of domestic and international clients in numerous sectors, including chemicals, pharmaceuticals, life sciences, financial services, information services, retail and communications. Paul is highly recommended by both of the leading independent guides to the legal industry. In its 2020 edition, Chambers UK stated...
Graham Iversen focuses his practice on corporate tax matters, including mergers and acquisitions, private equity transactions, joint ventures, partnerships, corporate restructurings, debt and equity finance, derivatives, structured investments, real estate and tax disputes. Graham joined the firm from Slaughter and May in London, where he was a partner in the firm’s London office in their tax department for more than 14 years. He has been a corporate tax attorney for more than 22 years,...
James Fisher is a partner in the Finance Group in Alston & Bird’s London office, focusing on debt capital markets, structured finance, securitisation, and derivatives transactions, with a particular specialty in advising corporate trust, agency, and issuer clients across a broad spectrum of cross-border and domestic financings.
Gillian Sproul is a top attorney recognized by Best Lawyers in the practice area(s) of Competition Law. Gillian, who practices law in London, United Kingdom, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gillian is held by other top lawyers in the same geographic and legal practice area.
Christopher Agnoli is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Christopher, who practices law in London, United Kingdom, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.
Carolyn Jackson helps clients solve complex cross-border issues involving the regulation of financial institutions and financial products, including derivatives. Carolyn's depth of knowledge and practical approach are shaped by her first-hand experience: she managed the New York trading desk of several investment banks and was formerly the executive director of the International Swaps and Derivatives Association, Inc. Trading firms, banks, asset managers, clearing houses and trading venues re...
Elisabeth I. Baltay is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Restructuring Law. Elisabeth I., who practices law in London, United Kingdom, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elisabeth I. is held by other top lawyers in the same geographic and legal practice area.
George Knighton is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law and Private Equity Law. George, who practices law in London, United Kingdom, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which George is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.