
Contractbook
Contractbook is contract management software for storing, managing and analyzing contracts in one place.
Ironclad
Ironclad is contract lifecycle management software for creating, negotiating and analyzing contracts with AI.
Contractbook vs Ironclad
At a Glance
| Detail | Contractbook | Ironclad |
|---|---|---|
| Category | CLM | CLM |
| Total raised | $33.9M | $331M |
| Rounds tracked | 2 | 5 |
| Latest round | Series B, $30M · May 2021 | Series E, $150M · Jan 2022 |
| Last valuation | Not disclosed | $3.2B |
| Lead investors | Tiger Global Management, Gradient Ventures | Franklin Templeton, BOND, Y Combinator Continuity, Accel |
| Built for | Not disclosed | In-house teams, Mid-size firms |
| Headquarters | Denmark | United States |
Funding, Side by Side
Contractbook rounds
- May 2021Series B$30M
- Nov 2019Seed$3.9M
Ironclad rounds
- Jan 2022Series E$150M
- Jan 2021Series D$100M
- Sep 2019Series C$50M
- Jan 2019Series B$23M
- Aug 2017Series A$8M
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, Contractbook or Ironclad?
- Ironclad has raised $331M in disclosed funding, compared with $33.9M for Contractbook.
- Do Contractbook and Ironclad share investors?
- No. None of the investors we track have backed both companies.
- What is Contractbook best for?
- Contractbook is contract management software for storing, managing and analyzing contracts in one place.
- What is Ironclad best for?
- Ironclad is contract lifecycle management software for creating, negotiating and analyzing contracts with AI.
Source: Legal Tech Circle funding data, from public announcements. Updated November 12, 2026.