At a Glance
| Detail | Spellbook | Tower |
|---|---|---|
| Category | GenAI & Drafting | GenAI & Drafting |
| Total raised | $81.5M | Not disclosed |
| Rounds tracked | 4 | Not disclosed |
| Latest round | Series B, $50M · Oct 2025 | Not disclosed |
| Last valuation | $350M | Not disclosed |
| Lead investors | Khosla Ventures, Inovia Capital, Moxxie Ventures | Not disclosed |
| Built for | Mid-size firms, Boutiques | Not disclosed |
| Headquarters | Canada | Not disclosed |
Funding, Side by Side
Spellbook rounds
- Oct 2025Series B$50M
- Jan 2024Series A$20M
- May 2023Undisclosed$10.9M
- Dec 2019Pre-Seed$567K
Tower rounds
No public rounds tracked yet.
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, Spellbook or Tower?
- Spellbook has raised $81.5M in disclosed funding, compared with no disclosed amount for Tower.
- What is Spellbook best for?
- Spellbook is an AI contract review and drafting tool for transactional lawyers that works inside Microsoft Word.
- What is Tower best for?
- Tower is an AI due diligence platform that helps deal teams organize data rooms and extract key information.
Source: Legal Tech Circle funding data, from public announcements. Updated November 10, 2026.