At a Glance
| Detail | Crosby | PostSig |
|---|---|---|
| Category | CLM | CLM |
| Total raised | $85.8M | $5.3M |
| Rounds tracked | 3 | 2 |
| Latest round | Series B, $60M · Mar 2026 | Seed, $4.1M · Sep 2025 |
| Last valuation | Not disclosed | Not disclosed |
| Lead investors | Lux Capital, Index Ventures, Sequoia Capital, Bain Capital Ventures | Differential Ventures, Frontier Venture Capital |
| Built for | Not disclosed | Not disclosed |
| Headquarters | United States | United States |
Funding, Side by Side
Crosby rounds
- Mar 2026Series B$60M
- Oct 2025Series A$20M
- Jun 2025Seed$5.8M
PostSig rounds
- Sep 2025Seed$4.1M
- Nov 2024Pre-Seed$1.2M
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, Crosby or PostSig?
- Crosby has raised $85.8M in disclosed funding, compared with $5.3M for PostSig.
- Do Crosby and PostSig share investors?
- No. None of the investors we track have backed both companies.
- What is Crosby best for?
- Crosby operates an AI-assisted legal service in which software agents and lawyers review, redline, and negotiate commercial contracts through email, Slack, and CLM workflows.
- What is PostSig best for?
- Post-signature contract performance management for capital markets.
Source: Legal Tech Circle funding data, from public announcements. Updated November 11, 2026.