At a Glance
| Detail | Ironclad | PostSig |
|---|---|---|
| Category | CLM | CLM |
| Total raised | $331M | $5.3M |
| Rounds tracked | 5 | 2 |
| Latest round | Series E, $150M · Jan 2022 | Seed, $4.1M · Sep 2025 |
| Last valuation | $3.2B | Not disclosed |
| Lead investors | Franklin Templeton, BOND, Y Combinator Continuity, Accel | Differential Ventures, Frontier Venture Capital |
| Built for | In-house teams, Mid-size firms | Not disclosed |
| Headquarters | United States | United States |
Funding, Side by Side
Ironclad rounds
- Jan 2022Series E$150M
- Jan 2021Series D$100M
- Sep 2019Series C$50M
- Jan 2019Series B$23M
- Aug 2017Series A$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, Ironclad or PostSig?
- Ironclad has raised $331M in disclosed funding, compared with $5.3M for PostSig.
- Do Ironclad and PostSig share investors?
- No. None of the investors we track have backed both companies.
- What is Ironclad best for?
- Ironclad is contract lifecycle management software for creating, negotiating and analyzing contracts with AI.
- 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.