United Kingdom · 
Who invested in Zynstra?
Zynstra's investors include Octopus Ventures, Richard Brennan, Jon Craton and Tom Vari.
20132014
$225KSeed$2.3MSeed$3.8MSeries A$8.4MSeries B
United Kingdom · Series B startup
Who invested in Zynstra
Funding summaryUpdated 26 Oct 2026
$15Mraised across 4 rounds since 2012, from 4 sources
$225KSeed$2.3MSeed$3.8MSeries A$8.4MSeries B
- Latest round
- Series B, $8.4MJul 2014
- Step-upi
- 2.2×
- Investors
- 4
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, $225K Mar 2012
- Biggest round
- $8.4M Series B · Jul 2014
- Usual gap between rounds
- 10 months the median of 3
The rounds
- Jul 2014Series B$8.4M2 new2 returning
From a historical funding record
- Sept 2013
- Sept 2012
- Mar 2012Seed$225K
No investor was named in the report.
From a historical funding record
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.
Quick answers about Zynstra
How much has Zynstra raised?
Zynstra has raised $15M across 4 rounds since 2012.
When did Zynstra last raise?
Zynstra's most recent round was a Series B of $8.4M in Jul 2014.
What was Zynstra's biggest round?
Its most recent round, $8.4M in Jul 2014, is also its largest on record.
Who backed Zynstra first?
Zynstra's first round on record, in Sept 2013, was backed by Octopus Ventures and Richard Brennan.
What stage is Zynstra at?
Zynstra's latest named round is a Series B, in Jul 2014.
Where is Zynstra based?
Zynstra is based in the United Kingdom.
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