Who invested in Attio

3 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Salestech

Funding summaryUpdated 26 Oct 2026

$59Mraised across 3 rounds since 2021, from 3 sources

$6.4MSeed$292KRound$52MSeries B

Latest round: Series B, $52MAug 2025
Step-upi: 178.1×
Investors: 5

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2022202320242025

$6.4MSeed$292KRound$52MSeries B

First round: Seed, $6.4M
Biggest round: $52M
Usual gap between rounds: 3.4 years

The rounds

Aug 2025
Series B$52M5 new
Source recorded
Apr 2025
Round$292K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Oct 2021
Seed$6.4M
No investor was named in the report.
Also list them on their own sitePoint Nine Capital
Shares issued, filed with Companies House (SH01); no report of this raise yet

Funding filed with regulators

Attio filed 2 raises, $6.7M in all. Filings say how much was sold and to how many investors; they never name the investors.

Apr 2025$292KUK share allotment
Oct 2021$6.4MUK share allotment

Founders and team

From Attio's own website: 2 on the team.

D Drew AustinHead of IT
M Michael JamesVP Sales at Cortexa

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Seed2021Round2025Series B2025

Everyone who backed them

Google VenturesCorporate VC1round

RedpointVC firm1round

Balderton CapitalVC firm1round

HeadlineVC firm1round

Passion CapitalVC firm1round

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

Also claim to have backed them

These 2 firms list Attio as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.