
Theodosian
Data ProtectionLondon, United Kingdomfounded 2025private
Theodosian is a cybersecurity company specializing in Data Protection, founded in 2025 and headquartered in London, United Kingdom. It has raised $1.3M in equity across 1 priced round, employs about 8 people, and is privately held.
updated Sep 12, 2026
Latest Theodosian news and company activity
What Theodosian did, dated — selected moves from the record, one per kind, newest first.
- Oct 2025Funding roundCybersecurity startup Theodosian secures $1.3M pre-seed led by Fuel Ventures
6 events tracked since Oct 2025 · selected events shownUnlock the complete Theodosian timeline
Theodosian funding
Theodosian has raised $1.3M in priced equity. Its most recent round was a Pre-Seed in October 2025.
- Equity raised
- $1.3M1 priced round
- Last round
- Pre-SeedOct 2025
Theodosian employees and hiring
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



