Arteria AI vs Legal OS
At a Glance
| Detail | Arteria AI | Legal OS |
|---|---|---|
| Category | Doc Automation | Doc Automation |
| Total raised | $11M | $2.2M |
| Rounds tracked | 1 | 1 |
| Latest round | Series A, $11M · Mar 2021 | Seed, $2.2M · Jun 2019 |
| Last valuation | Not disclosed | Not disclosed |
| Lead investors | Illuminate Financial | HV Holtzbrinck Ventures |
| Built for | Not disclosed | Not disclosed |
| Headquarters | Canada | Germany |
Funding, Side by Side
Arteria AI rounds
- Mar 2021Series A$11M
Legal OS rounds
- Jun 2019Seed$2.2M
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, Arteria AI or Legal OS?
- Arteria AI has raised $11M in disclosed funding, compared with $2.2M for Legal OS.
- Do Arteria AI and Legal OS share investors?
- No. None of the investors we track have backed both companies.
- What is Arteria AI best for?
- AI documentation for financial institutions legal teams.
- What is Legal OS best for?
- Contract template builder.
Source: Legal Tech Circle funding data, from public announcements. Updated November 12, 2026.

