United States · Seed startup

Who invested in Forum3

One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Martech

Funding summaryUpdated 26 Oct 2026

$10Mraised across 1 round since 2022, from 1 source

Latest round
Seed, $10MDec 2022
Investors
4
See who backed them

The rounds

  1. Dec 2022

Founders and team

From Forum3's own website: 2 founders, 3 on the team.

Adam Brotmanco-founder & CEO
Andy SackCo-Founder & Executive Chairman
  • Mai PhamChief Growth Officer
  • Rose KellyChief Strategy Officer
  • Suhail DuttaChief Technology Officer

Everyone who backed them

PolygonHedge fund1round
ArcaVC firm1round
Valor Siren VenturesCorporate VC1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Forum3 as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Bloccelerate VCVC firmPer its own site

Quick answers about Forum3

Who invested in Forum3?

Forum3's investors include Polygon, Arca, Liberty City Ventures and Valor Siren Ventures.

How much has Forum3 raised?

Forum3 has raised $10M across 1 round since 2022.

When did Forum3 last raise?

Forum3's most recent round was a Seed of $10M in Dec 2022.

What was Forum3's biggest round?

Its most recent round, $10M in Dec 2022, is also its largest on record.

Who backed Forum3 first?

Forum3's first round on record, in Dec 2022, was backed by Polygon, Arca and Liberty City Ventures and 1 others.

What stage is Forum3 at?

Forum3's latest named round is a Seed, in Dec 2022.

Where is Forum3 based?

Forum3 is based in the United States.

Companies like Forum3

In the same sector, and raised in the last eighteen months.

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