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Arceus raises $17M in funding to enhance its legal services platform. The round was led by Greycroft with participation from Craft Ventures and South Park Commons.

PRIVATEOct 02, 2026

Amount Raised

$17 Million

Round Type

Venture

San FranciscoSoftwareLegalLegal Tech

Investors

South Park CommonsGreycroftCraft Ventures

Description

Arceus, a San Francisco-based law firm, has raised $17 million in funding. The capital will be used to hire attorneys, engineers, and AI researchers while also expanding into new legal areas. Arceus utilizes AI agents and proprietary software to streamline legal services for growing companies. The funding round was led by Greycroft, with participation from Craft Ventures and South Park Commons.

Quick answer

Arceus raised $17 Million in a funding round, dated October 2, 2026. Investors: South Park Commons, Greycroft and Craft Ventures. Arceus is based in San Francisco, California, United States.

How much did Arceus raise?
Arceus raised $17 Million in a funding round on October 2, 2026.
Who invested in Arceus?
South Park Commons, Greycroft and Craft Ventures are named as investors in this round.
What does Arceus do?
Arceus is a San Francisco-based law firm that utilizes AI agents and proprietary software to provide legal services for fast-growing companies.
Where is Arceus based and how big is it?
Arceus is based in San Francisco, California, United States. Fundz records about 11 employees.
Who are the decision-makers at Arceus?
Fundz holds 2 contacts at Arceus, including the Chief Legal and Strategy Officer. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Legal and Legal Tech around the same time

Companies in the same sectors as Arceus that raised within 45 days of this round, from Fundz verified event records.

  • Blackletter raised $6M (Seed) on November 9, 2026.
  • Jam & Raph raised $2K (Pre-Seed) on November 4, 2026.
  • Startup Athena raised $2.5M (Pre-Seed) on November 3, 2026.
  • FluxCap raised $6.4M (Seed) on October 29, 2026.
  • Jónsbók raised an undisclosed amount on October 27, 2026.
  • Dougs raised $56M on October 15, 2026.

Who to call at Arceus, and when

A new round usually means Arceus is about to hire and buy. The teams that reach out first get the meeting.

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Company Information

Company

Arceus

Location

San Francisco, California, United States

About

Arceus is a San Francisco-based law firm that utilizes AI agents and proprietary software to provide legal services for fast-growing companies. The firm combines licensed attorneys with its proprietary operating system, CounselOS, to deliver commercial legal services like contract review and negotiation at a flat price with guaranteed turnaround times. Founded in 2026, Arceus is building a new model for how fast-growing companies access legal services. It provides faster, more efficient legal support while retaining business context, legal preferences, and institutional knowledge across matters.

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Related People

2 contacts
Verified contactsEugenia B., Chief Legal and Strategy Officer hiddenSee plans and pricing
Predictive Intelligence
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Arceus raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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