Sean O'Sullivan
Recognized in Best Lawyers since 2014 About Sean O'Sullivan
Sean O'Sullivan is a lawyer based in London, GB and has been recognized in The Best Lawyers in the United Kingdom™ since 2014. Sean O'Sullivan is recognized in the following practice areas:
- London, United Kingdom
- Energy and Natural Resources Law
- Shipping Law
Current Firm: 4 Pump Court
Location: London, GB
Nearby Lawyers
When multinational corporations consider major transactions, tax implications often make or break the deal. Charlotte Sallabank advises on those implications, advising clients on the direct and indirect tax consequences of their largest business decisions. Her creativity, persuasive power and close attention to her clients' business aspirations consistently result in solutions that make them a reality.A complete perspective on tax-planning issuesWith more than 30 years of experience advising ...
Mark Sperotto is a partner in the London office of Gibson, Dunn and Crutcher and a member of the Corporate Transactional practice group. Mr. Sperotto has broad experience in both the UK and Italian markets, covering all aspects of corporate, private equity and investment banking with a focus on cross-border M&A, leveraged buy-outs, fund establishment and international corporate finance and equity capital markets transactions. Mr. Sperotto’s experience extends to advising private equ...
Rob Day is a partner in Proskauer’s Corporate Department and a member of our Private Equity Transactions, Mergers & Acquisitions and Sports Groups. Rob’s practice focuses on public and private M&A, leveraged buyouts and joint ventures, private equity and portfolio company transactions. His clients include global corporations, asset managers and private equity houses, advising on their strategically important transactions across financial services, consumer, sports, media a...
Explore and Learn
What AI Visibility Means for Lawyers
by Josh Rupall and Bryan Driscoll
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
The Best Lawyers in Canada 2027: Recognizing the Nation's Top Legal Talent
by Jamilla Tabbara
Honoring established leaders and rising practitioners across Canada's legal profession.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
2027 Best Lawyers Awards in Brazil, Mexico, Portugal and Spain
by Jamilla Tabbara
Explore key findings from the awards, including recognition figures and emerging legal talent.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Who Can Override a Power of Attorney?
by Bryan Driscoll
A power of attorney carries real legal authority, but it isn't absolute. Here's who can step in to revoke, restrict or set it aside.
Inside the 2027 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
A closer look at the research process, methodology and key statistics behind the 2027 editions.
How to Get an Eviction Off Your Record
by Bryan Driscoll
Whether an eviction can be removed, sealed or corrected depends on your state, your case and where the record appears.
How Peer Review Works: Best Lawyers Methodology Explained
by Jamilla Tabbara
Understanding the independent, data-driven framework that defines professional legal standing.
