Orrick, Herrington & Sutcliffe LLP
Orrick, Herrington & Sutcliffe LLP, commonly known as Orrick, is a global law firm based in San Francisco, California. Founded in 1863, the firm has grown to operate over 25 offices worldwide, employing more than 1,000 attorneys.
Proven Score (provisional)
Emerging. Based on Proven marketplace listings, member redemption clicks, years in business, market standing, verified clients and connected data, scaled to 100. Client quality (20 points) is added once publicly named clients are verified. Checked 2026-10-21.
Company facts
| Founded | 1863 (163 years) |
| Employees | 2,700 |
| Headquarters | San Francisco, United States |
| Trusted networks on Proven | 2 investor, bank and government networks offer Orrick, Herrington & Sutcliffe LLP to their members |
Company facts from Apollo.io company data. Network, offer and redemption data from the Proven platform. A Proven Score is published once publicly named clients are verified with sources.
Competitors in Law firms
Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Methodology. Updated 2026-10-21.