Orbital Witness
AI property due diligence for real estate lawyers (now Orbital)
Spellbook
Spellbook is an AI contract review and drafting tool for transactional lawyers that works inside Microsoft Word.
Orbital Witness vs Spellbook
At a Glance
| Detail | Orbital Witness | Spellbook |
|---|---|---|
| Category | GenAI & Drafting | GenAI & Drafting |
| Total raised | $9.3M | $81.5M |
| Rounds tracked | 1 | 4 |
| Latest round | Series A, $9.3M · May 2023 | Series B, $50M · Oct 2025 |
| Last valuation | Not disclosed | $350M |
| Lead investors | Parker89 | Khosla Ventures, Inovia Capital, Moxxie Ventures |
| Built for | Not disclosed | Mid-size firms, Boutiques |
| Headquarters | United Kingdom | Canada |
Funding, Side by Side
Orbital Witness rounds
- May 2023Series A$9.3M
Spellbook rounds
- Oct 2025Series B$50M
- Jan 2024Series A$20M
- May 2023Undisclosed$10.9M
- Dec 2019Pre-Seed$567K
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, Orbital Witness or Spellbook?
- Spellbook has raised $81.5M in disclosed funding, compared with $9.3M for Orbital Witness.
- Do Orbital Witness and Spellbook share investors?
- No. None of the investors we track have backed both companies.
- What is Orbital Witness best for?
- AI property due diligence for real estate lawyers (now Orbital).
- What is Spellbook best for?
- Spellbook is an AI contract review and drafting tool for transactional lawyers that works inside Microsoft Word.
Source: Legal Tech Circle funding data, from public announcements. Updated November 12, 2026.