CAL.Funding
AI-native law firm Arceus brings total funding to $17 million with Greycroft-led round
San Francisco AI-native law firm Arceus said on October 1, 2026, that it raised new funding led by Greycroft, with Craft Ventures and South Park Commons participating, bringing its total funding to $17 million, Business Insider reported; SiliconANGLE described the raise as $17 million. The firm pairs licensed attorneys with AI agents and its CounselOS software for flat-fee commercial contract work and plans to hire attorneys, engineers and AI researchers.
Announcement (Business Insider) → · SiliconANGLE
Key points
- Arceus said its new round was led by Greycroft, with Craft Ventures and South Park Commons; Business Insider put total funding at $17 million.Business InsiderSiliconANGLE
- The San Francisco firm pairs licensed attorneys with AI agents and proprietary CounselOS software for flat-fee commercial legal work.Business InsiderSiliconANGLE
- Arceus says standard contract reviews that take longer than eight hours are free; SiliconANGLE reported most finish in three to five hours.Business InsiderSiliconANGLE
- CounselOS connects to tools such as Slack, Salesforce, HubSpot, and Gmail to pull client context and route matters to attorneys.Business InsiderSiliconANGLE
- Proceeds will fund hiring of attorneys, engineers, and AI researchers as the firm expands beyond commercial contracts.SiliconANGLE