Fund profile

Act One Ventures: investment profile

Published mandate, cheque sizes and source evidence for Act One Ventures. Sources checked 2026-10-12.

By 12inf EditorialUpdated
Stage
Pre-seed, Seed
Cheque
$1M
Geography
Global
On this page

First-check investor at pre-seed and seed in AI-native companies: agent infrastructure, AI-native operating systems and services, and new AI-enabled markets; no ownership targets; rooted in San Francisco but open to founders anywhere.

Investor match

See which investors fit your startup

Add your website. We pick three investors who back companies at your stage, sector and market, with the evidence for each.

Free · no sign-in · about 20 seconds
Investor match

See which investors fit your startup

Add your website. We pick three investors who back companies at your stage, sector and market, with the evidence for each.

Free · no sign-in · about 20 seconds
Your company

Stage · sector · market

Stage fit
Sector fit
Market fit

Published mandate

  • Stage: Pre-seed, Seed

  • Cheque: $1M

  • Geography: Global

  • Sectors: AI

Evidence for every match

Know why a fund fits before you write

Each match shows the fund's stated mandate, cheque size and dated recent deals, with links to the sources.

Notable investments

Sources

Sources checked 2026-10-12.

Verified on the fund's own site

Launch plan

Open full profiles and contacts

Everything you need to research a round on your own.

  • Full profiles with fit reasons and sources
  • Contact details where public
  • Save a shortlist
Compare plans or see three matches first
01 / FitWhy they fit

Stage, sector and geography compared with your company.

Investor profile
SSeedcampPre-seed · Europe
Investment focus

Backs technology founders from pre-product through early revenue

Sources

Investment approach · FAQ

Focus

Sector agnostic

02 / EvidenceCheck the evidence

Sources and open questions stay visible alongside the fit.

Related investor lists

Check before outreach

How we research investors

Raise plan

From shortlist to first meeting

Everything in Launch, plus help with the first email and the first call.

  • Deck review
  • First emails built on each investor's recent deals
  • Meeting prep, phone numbers and CSV export
See Raise or see three matches first
Raise plan

From shortlist to first meeting

Everything in Launch, plus help with the first email and the first call.

  • Deck review
  • First emails built on each investor's recent deals
  • Meeting prep, phone numbers and CSV export
See Raise or see three matches first
01 / ResearchCompany brief

Your product, stage and market

02 / ResearchInvestor evidence

Published mandate and sources

03 / ResearchYour shortlist

Fit reasons and open questions