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Thirdfort

“Can a UK compliance-tech platform become the end-to-end client due diligence and source-of-funds verification standard for regulated professional services firms — legal, property, and accountancy — combining ID, AML, open banking data, and KYB in one workflow?”

Founded2017
HQLondon, UK
Total raised£15M+ (as of March 2022)
Latest roundSeries A, March 2022
IndustryInfrastructure / KYC
The story

Thirdfort started as a client due diligence platform for professional services firms — primarily legal and property conveyancing — focused on remote ID verification and AML screening. It layered on source-of-funds verification (using open banking to access banking data) and Know Your Business checks. The 2022 fundraise signalled an ambition to embed payment infrastructure directly into the platform, moving Thirdfort from a pure compliance tool toward a more comprehensive client onboarding and financial-crime-prevention stack for regulated UK sectors.

Last 12 months
2025-12
Product timeline
2017
Thirdfort Limited incorporated in England and Wales (Company No. 10757456).· pivot
2022
Raised £15M Series A led by Breega and Element Ventures to expand ID verification, AML, and source-of-funds services and build payment infrastructure into the platform.· banking
2022
Achieved compliance with HM Land Registry's Digital ID Standard, enabling use for property transactions.· banking
2023
Launched Know Your Business (KYB) product to identify ultimate beneficial owners for corporate clients.· banking
2025
Certified against the UK Digital Identity & Attributes Trust Framework; product suite expanded to serve legal, property and accountancy sectors with over 1,500 regulated firms.· banking
Regulated entities
1
regulatory licence held by Thirdfort
Licence types, jurisdictions and registered entities are in the Embedded Finance Index report.
The stack
1 layer disclosed in Thirdfort’s embedded-finance stack
KYC
Onfido
Accounting gap: none