
Basis Theory
Fraud & Payment SecurityMill Valley, United Statesfounded 2020private
Basis Theory is a cybersecurity company specializing in Fraud & Payment Security, founded in 2020 and headquartered in Mill Valley, United States. It has raised $50M in equity across 3 priced rounds and is privately held.
updated Oct 2, 2026
Basis Theory products
Basis TheoryPlatform for tokenizing and securely managing sensitive data like payments and PII.
Basis Theory funding
Basis Theory has raised $50M in priced equity. Its most recent round was a Series B in October 2025.
- Equity raised
- $50M3 priced rounds
- Last round
- Series BOct 2025
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security



