Who invested in Stamp Free

7 rounds we have observed, with the one investor 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.

Martech

Raised 6 months ago

Funding summaryUpdated 26 Oct 2026

$4.7Mraised across 7 rounds since 2021, from 7 sources

$586KRound$683KRound$546KRound$744KRound$597KRound$107KVenture$1.4MVenture

Latest round: Venture, $1.4MMay 2026
Step-upi: 13.1×
Investors: 1

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.

20222023202420252026

$586KRound$683KRound$546KRound$744KRound$597KRound$107KVenture$1.4MVenture

First round: Round, $586K
Biggest round: $1.4M
Usual gap between rounds: 8 months

The rounds

May 2026
Venture$1.4M1 returning
- Cambridge Angels
Source recorded
Dec 2025
Venture$107K1 new
- Cambridge Angels
Source recordedSEC filing: $107K sold, first sale Nov 2025
Mar 2025
Round$597K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yetSEC filing: $39K sold, first sale Mar 2025
Nov 2023
Round$744K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Apr 2023
Round$546K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yetSEC filing: $545K sold, first sale Apr 2023
May 2022
Round$683K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yetSEC filing: $687K sold, first sale May 2022
Sept 2021
Round$586K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yetSEC filing: $587K sold, first sale Sept 2021

Funding filed with regulators

Stamp Free filed 6 raises, $3.6M in all. Filings say how much was sold and to how many investors; they never name the investors.

Apr 2026$467KUK share allotment
Mar 2025$597KUK share allotment
Nov 2023$744KUK share allotment
Apr 2023$546KUK share allotment
May 2022$683KUK share allotment
Sept 2021$586KUK share allotment

Founders and team

From Stamp Free's own website: 1 founder, 8 on the team.

Hugh Craigie HalkettCEO and Founder

Jon WilliamsChief Growth Officer
Stephen FindlayChief Finance Officer
Tim HigginbothamChief Information Officer
Vicki WhettonHead of Communications
David CampbellGeneral Counsel
David ParsonsPrincipal Consultant
Richard BeattieInterim Chair
Ryan HerveySenior Marketing & Research Manager

Everyone who backed them

Cambridge AngelsAngel network2rounds

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

Also claim to have backed them

This firm lists Stamp Free 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.