At a Glance
| Detail | Athennian | Thirdfort |
|---|---|---|
| Category | Compliance & Privacy | Compliance & Privacy |
| Total raised | $44.6M | $23.6M |
| Rounds tracked | 3 | 4 |
| Latest round | Series B, $33M · Mar 2022 | Series A, $19.7M · Mar 2022 |
| Last valuation | Not disclosed | Not disclosed |
| Lead investors | Centana Growth Partners, Arthur Ventures | Breega, Alex Chesterman |
| Built for | Not disclosed | Not disclosed |
| Headquarters | Canada | United Kingdom |
Funding, Side by Side
Athennian rounds
- Mar 2022Series B$33M
- Mar 2021Series A extension$5.5M
- Sep 2020Series A$6.1M
Thirdfort rounds
- Mar 2022Series A$19.7M
- Apr 2021Undisclosed$2.1M
- Aug 2020Seed-plus$1.3M
- Oct 2018Pre-Seed$522K
Our Take
We have not tested these two head to head yet. The numbers above come from public funding announcements. If you use either one, tell us what you found and it may become a Field Note.
Quick Answers
- Which has raised more, Athennian or Thirdfort?
- Athennian has raised $44.6M in disclosed funding, compared with $23.6M for Thirdfort.
- Do Athennian and Thirdfort share investors?
- No. None of the investors we track have backed both companies.
- What is Athennian best for?
- Entity management for legal teams.
- What is Thirdfort best for?
- Client ID and AML checks for law firms.
Source: Legal Tech Circle funding data, from public announcements. Updated November 10, 2026.