How much funding has Theodosian raised?

Theodosian has raised $1.3M in total. Its most recent round was a Pre-Seed in October 2025.

Who are Theodosian's competitors?

Securiti, Concentric AI, and BigID are among the closest in Data Protection. The full competitive set, with overlap scoring, is in the platform.

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 total funding, employs about 8 people, and is privately held.

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updated Aug 22, 2026

The record

What Theodosian did, dated.

Oct 2025Funding roundCybersecurity startup Theodosian secures $1.3M pre-seed led by Fuel Ventures

selected events only — the full dated record (5 events since Oct 2025) lives in the platform

Products

What Theodosian sells.

TheodosianFile-level encryption and access control for data-centric securityDetails ↗

In the platform

The other 440 data points.

Funding historyevery round, every lead investor
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Data Protection

FAQ

Common questions about Theodosian.

How much funding has Theodosian raised?: Theodosian has raised $1.3M in total. Its most recent round was a Pre-Seed in October 2025.
How many people work at Theodosian?: About 8.
Who are Theodosian's competitors?: Securiti, Concentric AI, and BigID are among the closest in Data Protection. The full competitive set, with overlap scoring, is in the platform.