Blue J
Blue J is an AI tax research platform that answers tax law questions for accounting and law firms.
Lex Machina
Litigation analytics
Blue J vs Lex Machina
At a Glance
| Detail | Blue J | Lex Machina |
|---|---|---|
| Category | Research & Analytics | Research & Analytics |
| Total raised | $298M | $4.8M |
| Rounds tracked | 2 | 1 |
| Latest round | Series E, $176M · Nov 2026 | Series A, $4.8M · May 2013 |
| Last valuation | $700M | Not disclosed |
| Lead investors | JMI Equity, Oak HC/FT, Sapphire Ventures | Cue Ball Group |
| Built for | In-house teams, Large firms, Mid-size firms | Not disclosed |
| Headquarters | Canada | United States |
Funding, Side by Side
Blue J rounds
- Nov 2026Series E$176M
- Aug 2025Series D$122M
Lex Machina rounds
- May 2013Series A$4.8M
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, Blue J or Lex Machina?
- Blue J has raised $298M in disclosed funding, compared with $4.8M for Lex Machina.
- Do Blue J and Lex Machina share investors?
- No. None of the investors we track have backed both companies.
- What is Blue J best for?
- Blue J is an AI tax research platform that answers tax law questions for accounting and law firms.
- What is Lex Machina best for?
- Litigation analytics.
Source: Legal Tech Circle funding data, from public announcements. Updated November 10, 2026.