Curvestone AI
Workflow automation platform for legal and financial teams.
Curvestone AI vs Ontra
At a Glance
| Detail | Curvestone AI | Ontra |
|---|---|---|
| Category | Doc Automation | Doc Automation |
| Total raised | $4M | $200M |
| Rounds tracked | 1 | 1 |
| Latest round | Seed, $4M · Dec 2025 | Series B, $200M · Oct 2021 |
| Last valuation | Not disclosed | Not disclosed |
| Lead investors | MTech Capital | Blackstone Growth |
| Built for | Not disclosed | Not disclosed |
| Headquarters | United Kingdom | US |
Funding, Side by Side
Curvestone AI rounds
- Dec 2025Seed$4M
Ontra rounds
- Oct 2021Series B$200M
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, Curvestone AI or Ontra?
- Ontra has raised $200M in disclosed funding, compared with $4M for Curvestone AI.
- Do Curvestone AI and Ontra share investors?
- No. None of the investors we track have backed both companies.
- What is Curvestone AI best for?
- Workflow automation platform for legal and financial teams.
- What is Ontra best for?
- Ontra is a provider of technology and services for contract automation and intelligence.
Source: Legal Tech Circle funding data, from public announcements. Updated November 12, 2026.