Smartr365

FINTECH · SAAS TRANSFORMATION

From outsourced monolith to £50m FinTech platform.

No documentation. No tests. No deployment process. Rebuilt from the ground up — and passed VC due diligence with Legal & General and Experian.

£50m

Valuation

£10m

Raised

ISO27001

Certified

25+

Engineers hired

THE PROBLEM

Smartr365 came to me with a codebase built by an outsourced team. There was no documentation, no automated tests, no deployment process, and no architectural plan. The system was a monolith — brittle, tightly coupled, and completely unfit for the multi-tenant SaaS product the business needed to build.

The company had ambitions to raise serious institutional capital and pass VC due diligence with Legal & General and Experian. The technology as it stood would not survive that scrutiny. Something had to change — and it had to change while the product was still live and the business was still operating.

WHAT WE DID

I joined as CTO and led the transformation from the ground up. We rebuilt the platform as a multi-tenant SaaS architecture, established a proper delivery process, built an engineering team of 25+ from scratch, and implemented the security controls and documentation needed to survive institutional due diligence.

We achieved ISO27001 certification, raised £10m in VC funding, and reached a £50m valuation. The due diligence process with Legal & General and Experian passed without issues.

None of that happens by accident. It requires the right architecture decisions made early, a team that understands what they are building and why, and leadership that can translate between technical reality and investor expectations without flinching.

“Rees proved to be a capable, diligent CTO — balancing priorities, solving multiple problems, and working closely with the CEO and L&G. He has integrity and loyalty.”

Len Baudert — Business Consultant, Legal & General

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