Rankings

USA

Leading firm in USA 2026

Top figures

2300

Lawyers

650

Partners

21

Offices

Content provided by Sidley Austin LLP

Contributions and articles

13 Global Practice Guides

Overview

Provided by Sidley Austin LLP

Sidley is an elite global law firm. With approximately 2,300 lawyers and 160 years of experience, we have established a reputation for innovative legal strategies to achieve powerful results for our clients in complex transactional, restructuring, crisis management, investigation, regulatory, and litigation matters. With 21 offices in major commercial and financial capitals worldwide, our lawyers possess the cultural awareness and legal acumen needed to advise clients in today’s global economy.

Key people

Provided by Sidley Austin LLP

  • Brian J. Fahrney

    Chair of Executive Committee

  • Yvette Ostolaza

    Chair of Management Committee

Ranked Offices at Sidley Austin LLP

Provided by Sidley Austin LLP

USA - Head office

Illinois

One South Dearborn , Chicago, Illinois, USA, IL 60603, Chicago

Belgium

Brussels Capital Region

NEO Building, Rue Montoyer 51, Montoyerstraat, Brussels, Brussels Capital Region, Belgium, B-1000, Brussels

UK

Greater London

70 ST MARY AXE , London, Greater London, UK, EC3A 8BE, London

USA

Massachusetts

60 State Street, 36th Floor, Boston, Massachusetts, USA, MA 02109, Boston


California

1999 Avenue of the Stars, 17th floor, Century City, California, USA, CA 90067, Century City


Texas

2323 Cedar Springs, Suite 2600 , Dallas, Texas, USA, TX 75201, Dallas


Texas

1000 Louisiana Street, Suite 6000, Houston, Texas, USA, TX 77002, Houston


California

350 South Grand Avenue , Los Angeles, California, USA, CA 90071, Los Angeles


Florida

830 Brickell Plaza, Miami, Florida, USA, 33131, Miami


New York

787 Seventh Avenue , New York, New York, USA, NY 10019, New York


California

1001 Page Mill Road, Building 1, Palo Alto, California, USA, CA 94304, Palo Alto


California

888 Prospect Street Suite 200 , San Diego, California, USA, 92037, San Diego


California

555 California Street, Suite 2000, San Francisco, California, USA, CA 94104, San Francisco


District of Columbia

1501 K Street NW, Washington, DC, District of Columbia, USA, 20005, Washington, DC

Ranked Departments at Sidley Austin LLP (153)

California

California: Los Angeles & Surrounds

California: Northern

California: San Francisco, Silicon Valley & Surrou

California: Southern

District of Columbia

Ranked Individuals at Sidley Austin LLP (377)

California

Top figures

2300

Lawyers

650

Partners

21

Offices

Content provided by Sidley Austin LLP

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