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Thirdfort

“Can a KYC/AML compliance platform become the default client due diligence infrastructure layer for the entire UK regulated professional services sector?”

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

Founded in 2017, Thirdfort started as a digital identity verification tool aimed at professional services firms (primarily legal and property). It evolved into a full client due diligence (CDD) platform covering ID verification, AML screening, Know Your Business (KYB), and source-of-funds checks backed by open banking data. The 2022 Series A was specifically earmarked to embed payment infrastructure for source-of-funds verification, broadening the product beyond pure identity into financial data analysis. Today it serves 1,500+ regulated firms as a compliance intelligence layer, positioning itself as the CDD OS for UK legal, conveyancing, and accountancy.

Last 12 months
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Product timeline
2017
Thirdfort Limited incorporated in England and Wales (company number 10757456), initially focused on digital identity verification for professional services.· pivot
2021
Partnered with insurance underwriter Inperio to offer reduced Professional Indemnity Insurance premiums to firms using Thirdfort's fraud-mitigation technology.· banking
2022
Raised £15M Series A led by Breega and Element Ventures, announcing plans to build payment infrastructure directly into its platform for source-of-funds verification.· lending
2022
Platform certified against UK Digital Identity and Attributes Trust Framework; expanded AML, KYB, and source-of-funds offerings to legal, property, and accountancy sectors.· banking
Regulated entities
Registered company
England and Wales · 2017
Thirdfort Limited
The stack
Open banking
Open Banking (unnamed TPP — used for Source of Funds banking data access)
KYC
entrust
Accounting gap: none