# Arceus

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/arceus

- Industry: Software
- Headquarters: San Francisco, US
- Website: www.arceus.legal
- Total disclosed funding: $17M
- Latest round: Series A (Oct 1, 2026)
- Investors on record: 3

## About

Founded in 2025 and based in California, US, Gero Labs, Inc., trading under the name Arceus, is an AI-based law firm platform that provides contract review, drafting, negotiation, and legal support services for fast-growing companies through a combination of licensed attorneys and artificial intelligence. It is founded by Mac Liu.

In October 2026, Arceus raised USD 17 million in series A funding led by Greycroft, with participation from Craft Ventures and South Park Commons. The company will use the funding to enhance its AI-powered legal platform, expand engineering and legal operations, and scale contract review and corporate legal services for businesses.

## Funding rounds

- Series A, Oct 1, 2026, $17M — Greycroft, Craft Ventures, South Park Commons

## Investors

- Greycroft (https://capitalatlas.ai/funds/greycroft) — Series A
- Craft Ventures (https://capitalatlas.ai/funds/craft-ventures) — Series A
- South Park Commons (https://capitalatlas.ai/funds/south-park-commons) — Series A
