LAWYER PROFILE
Sean Dempsey

Sean Dempsey

UK 2026

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Ranked in 1 practice area

About

Provided by Lewis Silkin

Practice Areas

I advise multinational and UK employers on all aspects of UK and Irish employment law. My clients are mainly from the technology, healthcare and financial and professional services sectors.

I helped establish our Dublin office in 2018 and I work closely with colleagues in Dublin and Belfast to provide clients with employment law support across the whole of the UK and the island of Ireland.

My practice is often international in its scope, and I regularly advise on the employment law aspects of global acquisitions and multi-jurisdictional restructures. My international retainers enable clients to access expert employment law advice in all of the countries in which they operate.

I have also been recognised for many years as a leader in the field of employment law by the main legal directories.

Career

Sean trained at Hogan Lovells (at what was then Lovells) from 1999 to 2001 before joining Lewis Silkin on qualification in 2001. He was made a partner in 2009.

Professional Memberships

Employment Lawyers Association; Centre for Effective Dispute Resolution (CEDR) Exchange; Ius Laboris; British-Irish Chamber of Commerce

Publications

Sean has written for a number of professional legal and HR publications and mainstream media, including the Employment law Journal, CIPD Manual for People Managers, The Law Society Gazette and the Telegraph.

Personal

Sean lives in London with his wife, daughter and dog and his main interests are reading, running and watching football and rugby.

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Employment: Employer - London (Firms)

Band 4
Band 4

Individual Editorial
Sean Dempsey is a partner at Lewis Silkin who is recognised for his work advising household-name clients on sensitive employment matters. He regularly advises clients in the technology sector. Dempsey is well placed to provide cross-jurisdictional employment advice across the UK and Ireland as he is triple-qualified.

Strengths

Provided by Chambers

  • He's one of the best, most responsive and commercial partners I've ever worked with.

    Employment: EmployerChambers Guide to the Legal Profession
  • He has excellent technical knowledge and an ability to apply that commercially.

    Employment: EmployerChambers Guide to the Legal Profession
  • Sean has been great managing and always helps us find innovative solutions to our problems.

    Employment: EmployerChambers Guide to the Legal Profession

Ranked Individuals at Lewis Silkin (85)

London (Firms)

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