Thirdfort
Client due diligence platform for law, property and accountancy firms, covering ID verification, AML screening, source of funds and Know your business checks, from £83 a month plus credits.
| Founded | January 2018, by Jack Bidgood and Olly Thornton-Berry; Thirdfort Limited was incorporated in England and Wales on 8 May 2017; registered office at Victoria Station, London, with a client hub in Manchester and a development office in Sri Lanka |
|---|---|
| Founders | Jack Bidgood and Olly Thornton-Berry, school friends who started the company after a friend lost £25,000 to fraud while buying a flat |
| Ownership | Private and venture-backed; £25m raised from investors including Breega and 13Books, including a £15m Series A (March 2022) led by Breega and Element Ventures and a £5m Series A2 (April 2024); no registrable person with significant control since March 2022 |
| Customers | More than 1,500 companies, including Muve, Peabody, Michael Graham, Strutt & Parker, Direction Law, Thomas Legal and the accountancy firm Forest Finance |
| What it does | Remote ID verification, source of funds checks using banking data, Know your business reports on companies and beneficial owners, AML screening with ongoing monitoring, AI document verification, and Tasks and a firm-wide insights dashboard for compliance oversight |
| Regulation | Authorised by the FCA under the Payment Services Regulations 2017 (firm reference number 806236); certified under the UK Digital Verification Services (DVS) trust framework; ISO9001; B Corp |
| Recent moves | Passed 3m app downloads (November 2025); launched the Thirdfort Client Due Diligence platform (October 2025); launched AI bank statement extraction for source of funds (September 2025); acquired the rental check platform Homeppl (February 2025) |
| Pricing | Monthly platform fee plus credits per check; Essentials from £83 a month plus VAT and credits; Compliance and Enterprise plans priced on request; unlimited users; 12-month contracts; credits valid for two years; only completed checks are charged |
| Markets | Legal, property and accountancy firms in the UK; identity documents verified from nearly every jurisdiction, with electronic address checks in 17 jurisdictions; integrations with GoProposal by Sage, Redbrick Solutions, Advanced and Reapit |
Why it matters
Accountancy practices acting as Authorised Corporate Services Providers must verify directors and PSCs to the Companies House standard. Thirdfort runs those checks through its app, alongside AML screening and Know your business reports, and 96% of its Know your business reports complete in under one minute.
Part of Accountio’s accounting technology coverage.
In Accountio software guides
