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  • Paul Callaghan
Paul Callaghan
Paul Callaghan

Paul Callaghan

Partner

  • London UK
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Featured award

Chambers and Partners UK 2023

Employment (employer) - Band 4: Paul Callaghan heads Taylor Wessing's UK employment group. He demonstrates extensive expertise handling international employment matters, both advisory and contentious.

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Paul is Head of the Employment, Pensions & Mobility group in the UK. He works with UK and North American companies, particularly from the tech, life sciences and financial services sectors.

Paul's recognised as a leading international employment lawyer, and is licensed to work in New York as well as the UK. Paul has extensive experience in complex advisory and litigation work, and advises corporate clients in the UK, US and Canada on all of their UK legal needs.

He leads our Canada desk, as well as our ‘EMEA General Counsel’ offering to North American clients.

Expertise

Services and Groups

Employment, pensions & mobility
Employment
Immigration & mobility

Sectors

Technology, media & communications
Financial institutions & insurance
Life sciences & healthcare
Private wealth
Consumer & retail
Music
Fintech
Edtech
Advertising & marketing
Adtech
Data centres
A guide to transatlantic M&A for US buyers

A guide to transatlantic M&A for US buyers

A comprehensive guide to acquiring a business based in the UK or Europe. 

Access the guide

Our latest Responsible Business Impact Report brings together the incredible achievements of our people in the UK, working with our communities and partnerships over the past 18 months.

Read our 2024 report

CV

Since 2005 Partner, Taylor Wessing
2000 - 2005 Associate, Taylor Wessing
1997 Admitted as a lawyer, England & Wales
1993 LLM, London School of Economics
1992 LLB, London School of Economics

Career

Since 2005 Partner, Taylor Wessing
2000 - 2005 Associate, Taylor Wessing

Education

1997 Admitted as a lawyer, England & Wales
1993 LLM, London School of Economics
1992 LLB, London School of Economics

Publications

International Labor & Employment Laws
Restrictive Covenants & Trade Secrets in Employment Law (co-author), 31 Dec 2010
Workplace Data Privacy Law (International Chapter)

Memberships & Associations

European Employment Lawyers Association
American Employment Law Council

Additional languages

English

Awards

Chambers and Partners UK 2023

Featured

Employment (employer) - Band 4: Paul Callaghan heads Taylor Wessing's UK employment group. He demonstrates extensive expertise handling international employment matters, both advisory and contentious.

Legal 500 UK 2023

Employment (employers) - Ranked: ‘Paul Callaghan understands his US clients and markets like no other employment lawyer in the UK. He is a brilliant lawyer, thought leader, and a pleasure to work with. Responsive, practical, commercial. Hands down my go to lawyer in the UK.’

Legal 500 UK 2023

Employment (employers) - Ranked: Paul Callaghan ‘understands his US clients and markets like no other employment lawyer’ and as a New York qualified lawyer, leads on all international employment projects.

Legal 500 UK 2022

Employment - employers: "Paul Callaghan will always go the extra yard for us and offers sensible pragmatic advice. Very unflappable."

Global Elite - Labour & Employment

Leading individual - Employment: Employer (Band 4): Paul Callaghan heads the firm's UK employment group and fields extensive expertise handling international employment matters, both advisory and contentious. Sources describe him as "a very good lawyer and client relationship partner who is a very safe pair of hands to have on your side."

Leading individual - Employment: Employer: The team is led by Paul Callaghan, whose practice focuses on US and Canadian companies in the tech, life sciences and retail sectors.

Leading individual - Employment: Employer (Band 4): An impressed source says Paul Callaghan "makes me feel as though I am his only client," and praises him for providing "very clear legal advice while also considering the business impact." He leads the firm's employment team and is noted for his work with US clients.

Leading individual - Employment (Band 4): Paul Callaghan has a broad employment practice which involves advising clients from the life sciences, technology and retail sectors. One impressed source says: "Paul is very knowledgeable and is very quick to understand the issues that may affect us."

Experience

Vinted become latest European Unicorn after closing EUR128 million Series E round financing

Vinted, Europe's largest online international C2C marketplace dedicated to second-hand fashion, on its EUR128 million Series E round financing which values the company at over EUR1 billion.The round was led by new investor Lightspeed Venture Partners, with participation from existing backers including Sprints Capital, Insight Venture Partners, Accel and Burda Principal Investments.

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Paul Callaghan
Ann Casey
Adam Rendle
Marianna Vlas

Paul's news & insights

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20 October 2025

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EHRC issues interim guidance following recent Supreme Court ruling on definition of 'woman' in Equality Act 2010

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AI at work - taking the "Human" out of Human Resources? | Tech Me Up! Session #6

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