United Kingdom · 
Who invested in Haystack?
Haystack's investors include Y Combinator, SV Angel, BoxGroup, Greycroft and Coatue, and 2 more on record.
202320242025
$602KSeed?Venture
United Kingdom · Venture startup
Who invested in Haystack
Funding summaryUpdated 26 Oct 2026
$602Kraised across 2 rounds since 2022, from 2 sources
- Latest round
- VentureJun 2025
- Biggest round
- $602KSeed · Aug 2022
- Investors
- 7
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $602K Aug 2022
- Biggest round
- $602K Seed · Aug 2022
- Between rounds
- 2.8 years from the last two
The rounds
- Jun 2025
- Aug 2022
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.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 3 firms list Haystack 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.
Quick answers about Haystack
How much has Haystack raised?
Haystack has raised $602K across 2 rounds since 2022. One round did not disclose an amount, so the total is a floor.
When did Haystack last raise?
Haystack's most recent round was a Venture in Jun 2025.
What was Haystack's biggest round?
Haystack's largest round on record is $602K (Seed), in Aug 2022.
Who backed Haystack first?
Haystack's first round on record, in Aug 2022, was backed by Northstar Ventures and Mercia Tech.
What stage is Haystack at?
Haystack's latest named round is a Venture, in Jun 2025.
Where is Haystack based?
Haystack is based in the United Kingdom.
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