Who are Theodosian's investors?

Theodosian's investors include 1818 Venture Capital, D11Z, GF BRYCK Ventures, Heartfelt Capital, Fuel Ventures, Startup Wise Guys.

Theodosian

7 known investors

Find your way into Theodosian

Your email: who you already know at Theodosian, and who your contacts know
2nd- and 3rd-degree connections: people you know who worked, studied or invested with the Theodosian team
Your LinkedIn: the connections who can make the intro for you

We rank every route by how warm it is, so you raise on warm intros instead of cold emails.

Theodosian provides a data-centric security platform designed to protect files through automated access controls, anomaly detection, and audit logging. The platform integrates via API into existing infrastructure without requiring data migration or workflow changes, serving organizations with strict compliance requirements.

Cybersecurity Data & Infrastructure Enterprise Software SaaS

Investors · 7

1818 Venture Capitallisted by 1818 Venture CapitalSt Peter Port · $130K – $1.3M

How we know: 1818 Venture Capital's portfolio page · fintech.global · funding news · Not right? Tell us

D11Zlisted by D11ZHeilbronn

GF BRYCK Ventureslisted by GF BRYCK VenturesEssen

How we know: GF BRYCK Ventures's portfolio page · Not right? Tell us

Heartfelt Capitallisted by Heartfelt CapitalBerlin · $108K – $432K

How we know: Heartfelt Capital's portfolio page · fintech.global · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us

Fuel VenturesreportedLondon · $317.5K – $9.5M

How we know: fintech.global · funding news · Not right? Tell us

Startup Wise GuysreportedTallinn · $100K – $500K

How we know: fintech.global · funding news · Not right? Tell us

Also in the syndicate · 1

D11Z Ventures

Funding

SEC filings, press & company announcements

Undisclosed amountpre-seedOct 2025
Fuel Ventures (lead), 1818 Venture Capital, D11Z Ventures, Heartfelt, Startup Wise Guys
Source ↗

Source: company announcements and press reports — follow each round's link for the claim.

In the news

Cybersecurity startup Theodosian secures $1.3m pre-seedfintech.global · Oct 2025

Frequently asked questions

What does Theodosian do?: Theodosian provides a data-centric security platform designed to protect files through automated access controls, anomaly detection, and audit logging. The platform integrates via API into existing infrastructure without requiring data migration or workflow changes, serving organizations with strict compliance requirements.
Who are Theodosian's investors?: Theodosian's investors include 1818 Venture Capital, D11Z, GF BRYCK Ventures, Heartfelt Capital, Fuel Ventures, Startup Wise Guys.