Startup · $700k raised
Legal AI company building sovereign legal models trained on the Blackstone Corpus
Melbourne, VIC
Every investor coverage indicates participated in a round Isaacus raised.
| Investor | Rounds | Invested |
|---|---|---|
| Aura Ventures | Pre-seed | - |
| Galileo Ventures | Pre-seed | - |
Companies Isaacus acquired or merged with, per published coverage. Buying a company is not investing in one: nothing here counts in the deals column.
| Name | Role | Sources |
|---|---|---|
| Abdur-Rahman Butler | Engineer · Founder | europesays.com, Startup Daily |
| Anthony Butler | Advisor | Startup Daily |
| Umar Butler | Founder | europesays.com, Aura Group, Startup Daily, Galileo Ventures |
Stories naming Isaacus. Where several outlets covered the same round, they are bundled under whichever ran the fullest account.
Galileo Ventures' annual letter looks back on 2025: a partner hire, raises at Relevance AI, Andromeda and Tixel, a 25th investment in Isaacus, and Breakthrough Victoria as cornerstone backer of Fund II.
Also SmartCompany·Women's Agenda·Startup Daily·Startup Daily
Funding roundup covering five raises totalling $340.2 million: Firmus's Nvidia-backed round, plus H3D, Puralink, Escape This and Isaacus, across AI infrastructure, health tech, robotics, entertainment and legal AI.
Also SmartCompany
Galileo Ventures has invested $250,000 in legal-AI startup Isaacus as part of a $700,000 pre-seed round it co-led with Aura Ventures; the post explains why it backed founder Umar Butler.