Tandem is a professional training and coaching company based in San Francisco, specializing in mentorship services for growth-stage startups. With a small team of 2-10 employees, Tandem focuses on helping startups invest in their most valuable asset: their people.
| Employees | 18 |
| Headquarters | San Francisco, United States |
| Trusted networks on Proven | 2 investor, bank and government networks offer Tandem 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.
Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Methodology. Updated 2026-10-21.