Fuel Ventures Secures $1.3M Pre-seed Round

Theodosian delivers enterprise-grade file-level encryption and access control, offering a persistent layer of protection that moves with data. The solution ensures compliance across regulatory frameworks and defends against human error and cyber threats.

Founded by seasoned cybersecurity professionals from defence, intelligence, banking, and healthcare, the company focuses on embedding a “second layer” of defence directly at the file level.

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Its platform enables per-file permissions and performs 20–30 compliance checks per document, helping organisations prepare for emerging standards such as the UK’s Defence Cyber Certification (DCC) and the US Cybersecurity Maturity Model Certification (CMMC).

Co-founder Andy Johnson said Theodosian was built to close a crucial gap in enterprise security keeping every file protected, wherever it goes.

Our platform goes beyond traditional encryption, offering persistent, per-file dynamic access controls, detailed permission management, and continuous verification to ensure only the right people can access sensitive data. With Fuel Ventures’ support, we can bring these capabilities to market quickly, helping companies comply with regulations, including new DCC standards, and significantly reduce the risk of data breaches.

The funding will be used to finalize version 1 of the product and initiate commercial scaling.

About Fuel Ventures

Fuel Ventures is a leading UK based early stage venture capital firm investing in high-growth digital startups. Founded by Mark Pearson it supports ambitious entrepreneurs with capital and expertise having made over 210 investments across sectors and backed unicorns like Paddle driving innovation and scale in the tech ecosystem.