Sidley Austin
Sidley Austin LLP is a prominent global law firm based in Chicago, Illinois, with a history that dates back to 1866. It is one of the largest and most prestigious law firms in the world, employing over 2,300 lawyers across 21 offices in more than 70 countries. The firm was established through the merger of Sidley & Austin and Brown & Wood, combining a rich heritage with a wide geographic presence. As a full-service law firm, Sidley Austin specializes in a variety of legal services, including mergers and acquisitions, litigation and dispute resolution, regulatory compliance, and capital markets. The firm serves a diverse clientele, including Fortune 500 companies, startups, multinational corporations, financial institutions, and governmental bodies. Sidley Austin is recognized for its effective litigation strategy and has a strong reputation in handling complex cross-border transactions and high-stakes litigation.
Work at Sidley Austin in HR or recruiting? Claim this page
Headcount trend
Sidley Austin went from 3,226 employees in Jul 2023 to 3,713 in Jun 2025. Jan to Jun 2025: 386 people joined, 121 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Salaries at Sidley Austin
All salaries12 salary profiles in the US
Most reported roles
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 34 filings.
Peer reviews
Worked with someone at Sidley Austin?
Anonymous peer reviews on OffTheRecord
Similar companies
Sidley Austin FAQ
How many employees does Sidley Austin have?
Sidley Austin has about 3,713 employees, up 5.1% over the 3 months to Jun 2025.
Does Sidley Austin sponsor H1B visas?
Yes. Sidley Austin filed 34 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Legal roles.
What is Sidley Austin's revenue per employee?
Sidley Austin makes about $539K in revenue per employee, based on $2B annual revenue and 3,713 employees.
How much does Sidley Austin pay?
6figr has 12 salary profiles for Sidley Austin in the US, with pay broken down by role, level, gender and ethnicity on the Sidley Austin salaries page. See Sidley Austin salaries
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.
