At a Glance
| Detail | Onna | Semeris |
|---|---|---|
| Category | Knowledge Mgmt | Knowledge Mgmt |
| Total raised | $38M | $4.3M |
| Rounds tracked | 2 | 1 |
| Latest round | Series B, $27M · Jun 2020 | Undisclosed, $4.3M · Feb 2025 |
| Last valuation | Not disclosed | Not disclosed |
| Lead investors | Atomico, Dawn Capital | Puma Growth Partners |
| Built for | Not disclosed | Not disclosed |
| Headquarters | United States | United Kingdom |
Funding, Side by Side
Onna rounds
- Jun 2020Series B$27M
- Jun 2019Series A$11M
Semeris rounds
- Feb 2025Undisclosed$4.3M
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, Onna or Semeris?
- Onna has raised $38M in disclosed funding, compared with $4.3M for Semeris.
- Do Onna and Semeris share investors?
- No. None of the investors we track have backed both companies.
- What is Onna best for?
- Knowledge integration and ediscovery collection.
- What is Semeris best for?
- Document analysis for structured finance lawyers.
Source: Legal Tech Circle funding data, from public announcements. Updated November 11, 2026.