At a Glance
| Detail | Ironclad | Summize |
|---|---|---|
| Category | CLM | CLM |
| Total raised | $331M | $57M |
| Rounds tracked | 5 | 3 |
| Latest round | Series E, $150M · Jan 2022 | Undisclosed, $50M · Jan 2026 |
| Last valuation | $3.2B | Not disclosed |
| Lead investors | Franklin Templeton, BOND, Y Combinator Continuity, Accel | Maven Capital Partners, YFM Equity Partners, NPIF - Maven Equity Finance |
| Built for | In-house teams, Mid-size firms | Not disclosed |
| Headquarters | United States | United Kingdom |
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
Summize rounds
- Jan 2026Undisclosed$50M
- Oct 2022Series A$5.7M
- Dec 2020Undisclosed$1.3M
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, Ironclad or Summize?
- Ironclad has raised $331M in disclosed funding, compared with $57M for Summize.
- Do Ironclad and Summize 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 Summize best for?
- AI contract lifecycle management that works inside Teams, Slack and Word.
Source: Legal Tech Circle funding data, from public announcements. Updated November 11, 2026.