Firm Profile

Sidley Austin LLP

UK Guide 2025

Ranked departments
Ranked lawyers
UK

Sidley Austin LLP

Sidley Austin LLP

www.sidley.com

Contact number

+1 312 853 7000

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About

Provided by Sidley Austin LLP
UK

Chair of Executive Committee: Brian J. Fahrney

Chair of Management Committee: Yvette Ostolaza

London Managing Partner: Thomas Thesing

Number of partners worldwide: Over 650

Number of lawyers worldwide: 2,300

Sidley is an elite global law firm with US$3.1 billion in revenue powered by lawyers who practice at the highest level of the profession. Backed by 158 years of experience, we deliver superior service to a high-caliber group of market-leading clients worldwide, while placing a premium on collaboration and diversity.

Our firm boasts a roster of 2,300 lawyers who wield deep experience in litigation, transactional, and regulatory matters spanning over 50 legal disciplines and industries.

With 22 offices, including our new Miami office, situated in major commercial and financial capitals around the world, our lawyers possess the cultural awareness and legal acumen needed to advise clients in today’s global economy. Follow Sidley on Twitter@SidleyLaw.

PRINCIPAL AREAS OF WORK

  • Banking & Financial Services Regulatory
  • Capital Markets
  • Competition/Antitrust
  • Dispute Resolution
  • Finance
  • Insurance
  • Investment Funds
  • Life Sciences
  • M&A & Private Equity
  • Privacy & Cybersecurity
  • Restructuring
  • Tax

Sidley and Sidley Austin refers to Sidley Austin LLP and affiliated partnerships as explained at www.sidley.com/disclaimer.

Ranked Offices

Provided by Sidley Austin LLP

USA - Head office
UK
  • London
    70 ST MARY AXE , London, Greater London, UK, EC3A 8BE

Contributions

Latest contributions provided by Sidley Austin LLP

Global Practice Guide
Nicolai Schwarz-Gondek
Payom Pirahesh
Vijay Sekhon
Mehdi Khodadad
Authored by
Nicolai Schwarz-Gondek, Payom Pirahesh, Vijay Sekhon, Mehdi Khodadad
Article • Aug 2025
Global Practice Guide
John Godfrey
Justin Macke
Brien Wassner
Vijay Sekhon
Authored by
John Godfrey, Justin Macke, Brien Wassner, Vijay Sekhon
Article • Aug 2025
Global Practice Guide
Eleanor Dodding
Anila Rayani
Francesca Blythe
William Long
Authored by
Eleanor Dodding, Anila Rayani, Francesca Blythe, William Long
Article • Feb 2025

All contributions provided by Sidley Austin LLP

Sort by - Most recent
Title and authorsContent typePublication dateMedia type
Cybersecurity 2025 | UK | Law and Practice
Authored by: Francesca Blythe, Anila Rayani, Eleanor Dodding, William Long
Global Practice Guide Feb 2025 Article
International Trade 2025 | USA | Law and Practice
Authored by: Elyssa Kutner, Carys Golesworthy, Ted Murphy
Global Practice Guide Dec 2024 Article
International Trade 2025 | Introduction
Authored by: Jen Fernandez, Todd Friedbacher, Sven De Knop, Andrew Shoyer
Global Practice Guide Dec 2024 Article
Alternative Funds 2024 | Introduction
Authored by: Elizabeth Shea Fries
Global Practice Guide Sep 2024 Article
Shareholders' Rights & Shareholder Activism 2024 | USA | Law and Practice
Authored by: Kai Liekefett, Evan Grosch, Ram Sachs, Derek Zaba
Global Practice Guide Sep 2024 Article

Sidley Austin LLP rankings

UK Guide 2025
Filter by
Band
London (Firms)
Banking & Finance: Big-Ticket
3 Ranked Lawyers
Lawyers
Jayanthi Sadanandan
1
Jayanthi Sadanandan
1
Band 1
Sam Hamilton
2
Sam Hamilton
2
Band 2
Fergus O'Domhnaill
U
Fergus O'Domhnaill
U
Up and Coming
Banking & Finance: Mid-Market
1 Ranked Lawyer
Lawyers
James Crooks
4
James Crooks
4
Band 4
Banking & Finance: Sponsors
1 Department
Department
Banking & Finance: Sponsors
3
Banking & Finance: Sponsors
3
Band 3
Competition Law
1 Department
2 Ranked Lawyers
Department
Competition Law
6
Competition Law
6
Band 6
Lawyers
Patrick Harrison
5
Patrick Harrison
5
Band 5
Vincent P Brophy
5
Vincent P Brophy
5
Band 5
Corporate Crime & Investigations
1 Ranked Lawyer
Lawyers
Sara George
3
Sara George
3
Band 3
Corporate/M&A: £100-800 million
1 Department
1 Ranked Lawyer
Department
Corporate/M&A: £100-800 million
4
Corporate/M&A: £100-800 million
4
Band 4
Lawyers
Thomas Thesing
E
Thomas Thesing
E
Eminent Practitioners
Financial Crime: Individuals
1 Ranked Lawyer
Lawyers
Sara George
2
Sara George
2
Band 2
Information Technology & Outsourcing
1 Ranked Lawyer
Lawyers
Clive Gringras
2
Clive Gringras
2
Band 2
IT & Outsourcing: Disputes Specialists
1 Ranked Lawyer
Lawyers
Clive Gringras
Clive Gringras
Spotlight
Restructuring/Insolvency
1 Department
Department
Restructuring/Insolvency
3
Restructuring/Insolvency
3
Band 3
Tax
1 Department
1 Ranked Lawyer
Department
Tax
6
Tax
6
Band 6
Lawyers
Jason Menzies
U
Jason Menzies
U
Up and Coming
UK-wide
Banking Litigation
1 Department
1 Ranked Lawyer
Department
Banking Litigation
4
Banking Litigation
4
Band 4
Lawyers
Matthew Shankland
4
Matthew Shankland
4
Band 4
Capital Markets: CLOs
1 Ranked Lawyer
Lawyers
Rupert Wall
3
Rupert Wall
3
Band 3
20 of 45 results