At a Glance
| Detail | LexCheck | Luminance |
|---|---|---|
| Category | GenAI & Drafting | GenAI & Drafting |
| Total raised | $25M | $138M |
| Rounds tracked | 3 | 5 |
| Latest round | Series A, $17M · Dec 2022 | Series C, $75M · Feb 2025 |
| Last valuation | Not disclosed | $100M |
| Lead investors | Mayfield, Ulu Ventures, Kli Capital | Point72 Private Investments, March Capital, Invoke Capital, Talis Capital |
| Built for | Not disclosed | In-house teams, Large firms |
| Headquarters | United States | United Kingdom |
Funding, Side by Side
LexCheck rounds
- Dec 2022Series A$17M
- Mar 2022Undisclosed$5M
- May 2020Seed$3M
Luminance rounds
- Feb 2025Series C$75M
- Apr 2024Series B$40M
- Feb 2019Series B$10M
- Nov 2017Series A$10M
- Sep 2016Seed$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, LexCheck or Luminance?
- Luminance has raised $138M in disclosed funding, compared with $25M for LexCheck.
- Do LexCheck and Luminance share investors?
- No. None of the investors we track have backed both companies.
- What is LexCheck best for?
- AI contract negotiation.
- What is Luminance best for?
- Luminance is an AI contract platform for reviewing, negotiating and analyzing contracts.
Source: Legal Tech Circle funding data, from public announcements. Updated November 11, 2026.

