July 22, 2026
StrongestLayer
StrongestLayer, an AI-native email security company, raised $4.1 million in seed extension funding, bringing its total seed funding to $9.3 million.
- Round
- Seed
- Amount raised
- $4.1M
- Lead investor
- —
- Industry
- Cybersecurity
- Headquarters
- San Francisco, CA, United States
- Employees
- 51-200 employees
- Website
- strongestlayer.com
- View profile →
Other investors
- Episode 1 Ventures
- EquityPitcher Ventures
- High-Tech Gründerfonds
- RA Capital
- General Catalyst
- Keen Venture Partners
- byFounders
- TiVentures
- ASAP Legal Tech