Company profile
Sidley Austin LLP
- Industry
- Law Practice
- Employees
- 5,130
- Headquarters
- Chicago, Illinois
- Founded
- 1866
- LinkedIn followers
- 141,023
- Office locations
- 20
Sidley Austin LLP company summary
Sidley Austin LLP is a company in the Law Practice industry, headquartered in Chicago, Illinois, founded in 1866. On LinkedIn the company has around 5,130 employees and 141,023 followers. Warmrank detected 31 technologies across 17 categories on sidley.com, including Adobe, Anthropic, Apple iCloud Mail. The company lists 20 office locations.
What technology does Sidley Austin LLP use?
Warmrank detected 31 technologies on sidley.com, last checked July 2026. Click any tool to see other companies that use it.
DocuSign
Open Graph
Webpack
GSAP
Next.js
ReactJavaScript libraries
Swiper
core-jsSecurity
Analytics
Google Analytics
Siteimprove
Anthropic
Cloudflare
cdnjsCMS
SitecoreCookie compliance
OneTrustMarketing automation
MailChimpShow 7 more technologiesShow fewer technologies
Page builders
CanvaPerformance
Priority HintsProgramming languages
Node.jsSSL/TLS certificate authorities
DigiCertTag managers
Google Tag ManagerWeb frameworks
Microsoft ASP.NETWebmail
Apple iCloud MailAbout 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 deploying innovative legal strategies to achieve powerful results for our clients in complex transactional, restructuring, crisis management, investigation, regulatory, and litigation matters. Our perspective and reach are truly global, supported by 21 offices strategically situated in key commercial, regulatory, and financial centers across the world. Our lawyers and business professionals, fluent in more than 75 languages, possess the cultural awareness and cross-border legal acumen needed to bring clarity to a dynamic business landscape. Our offices are found in Beijing, Boston, Brussels, Century City, Chicago, Dallas, Geneva, Hong Kong, Houston, London, Los Angeles, Miami, Munich, New York, Palo Alto, San Diego, San Francisco, Singapore, Sydney, Tokyo, and Washington, D.C. Attorney Advertising. Prior results do not guarantee a similar outcome. Photos may include Sidley alumni or other individuals who are not Sidley lawyers. Photos may be stock photographs. All service marks herein are registered or used by Sidley Austin Holding LLP worldwide. © 2026 Sidley Austin Holding LLP. All rights reserved.
Where is Sidley Austin LLP located?
Sidley Austin LLP lists 20 office locations.
Compare companies similar to Sidley Austin LLP
More companies in Law Practice.
| Company | Industry | Employees | Founded | Headquarters |
|---|---|---|---|---|
Sidley Austin LLP sidley.com | Law Practice | 5,130 | 1866 | Chicago, Illinois |
 Baker McKenzie bakermckenzie.com | Law Practice | 11,883 | - | Chicago, IL |
 White & Case LLP whitecase.com | Law Practice | 8,295 | 1901 | New York, New York |
 Hogan Lovells hlc.com | Law Practice | 5,464 | - | Washington, DC |
 Linklaters linklaters.com | Law Practice | 7,109 | - | London, England |
 Freshfields freshfields.com | Law Practice | 6,953 | 1743 | London, England |
 Epiq epiqglobal.com | Law Practice | 8,214 | - | New York, New York |
 Kirkland & Ellis kirkland.com | Law Practice | 9,009 | 1909 | Chicago, Illinois |
 Eversheds Sutherland eversheds-sutherland.com | Law Practice | 6,197 | - | London, England |
 Bird & Bird twobirds.com | Law Practice | 3,501 | 1846 | London, England |
Ashurst ashurstperkinscoie.com | Law Practice | 2,907 | - | London, England |
Frequently asked questions about Sidley Austin LLP
What does Sidley Austin LLP do?
Sidley is an elite global law firm. With approximately 2,300 lawyers and 160 years of experience, we have established a reputation for deploying innovative legal strategies to achieve powerful results for our clients in complex transactional, restructuring, crisis management, investigation, regulatory, and litigation matters. Our perspective and reach are truly global, supported by 21 offices strategically situated in key commercial, regulatory, and financial centers across the world. Our lawyers and business professionals, fluent in more than 75 languages, possess the cultural awareness and cross-border legal acumen needed to bring clarity to a dynamic business landscape. Our offices are found in Beijing, Boston, Brussels, Century City, Chicago, Dallas, Geneva, Hong Kong, Houston, London, Los Angeles, Miami, Munich, New York, Palo Alto, San Diego, San Francisco, Singapore, Sydney, Tokyo, and Washington, D.C. Attorney Advertising. Prior results do not guarantee a similar outcome. Photos may include Sidley alumni or other individuals who are not Sidley lawyers. Photos may be stock photographs. All service marks herein are registered or used by Sidley Austin Holding LLP worldwide. © 2026 Sidley Austin Holding LLP. All rights reserved.
What technology does Sidley Austin LLP use?
Warmrank detected 31 technologies on sidley.com, including Adobe, Anthropic, Apple iCloud Mail, Atlassian, Canva, Cloudflare, DigiCert, DocuSign.
How many employees does Sidley Austin LLP have?
Sidley Austin LLP has around 5,130 employees on LinkedIn.
Where is Sidley Austin LLP headquartered?
Sidley Austin LLP is headquartered in Chicago, Illinois.
Where does Sidley Austin LLP have offices?
Sidley Austin LLP lists 20 office locations, including Chicago, Illinois, US; Beijing, Beijing, CN; Boston, Massachusetts, US; Brussels, Brussels-Capital Region B-1000, BE; Chiyoda-Ku, Tokyo, Tokyo 100-6323.
When was Sidley Austin LLP founded?
Sidley Austin LLP was founded in 1866.
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