United Kingdom · 
Who invested in Flat Iron?
Flat Iron's investors include Piper Private Equity.
20172019202120232025
$12MRound?Venture
United Kingdom · Venture startup
Who invested in Flat Iron
Funding summaryUpdated 26 Oct 2026
$12Mraised across 2 rounds since 2017, from 2 sources
- Latest round
- VentureAug 2025
- Biggest round
- $12MRound · Mar 2017
- Investors
- 1
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Round, $12M Mar 2017
- Biggest round
- $12M Round · Mar 2017
- Between rounds
- 8.4 years from the last two
The rounds
- Aug 2025VentureAmount undisclosed
No investor was named in the report.
Source recorded
- Mar 2017
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Flat Iron
How much has Flat Iron raised?
Flat Iron has raised $12M across 2 rounds since 2017. One round did not disclose an amount, so the total is a floor.
When did Flat Iron last raise?
Flat Iron's most recent round was a Venture in Aug 2025.
What was Flat Iron's biggest round?
Flat Iron's largest round on record is $12M (Undisclosed round), in Mar 2017.
Who backed Flat Iron first?
Flat Iron's first round on record, in Mar 2017, was backed by Piper Private Equity.
What stage is Flat Iron at?
Flat Iron's latest named round is a Venture, in Aug 2025.
Where is Flat Iron based?
Flat Iron is based in the United Kingdom.
Companies like Flat Iron
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.