United Kingdom · Series B startup

Who invested in Synthesio

4 rounds we have observed, with the 4 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.

Funding summaryUpdated 26 Oct 2026

$22Mraised across 4 rounds since 2006, from 4 sources

$60KSeed$120KSeed$2.0MSeries A$20MSeries B
Latest round
Series B, $20MMar 2014
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Investors
4
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.

20062008201020122014
$60KSeed$120KSeed$2.0MSeries A$20MSeries B
First round
Seed, $60K
Jun 2006
Biggest round
$20M
Series B · Mar 2014
Usual gap between rounds
2.5 years
the median of 3

The rounds

  1. Mar 2014
    Series B$20M2 new2 returning

    From a historical funding record

  2. Sept 2011
    Series A$2.0M

    No investor was named in the report.

    Reported by synthesio.com

  3. Dec 2008
    Seed$120K1 new

    From a historical funding record

  4. Jun 2006
    Seed$60K1 new

    Reported by ft.com

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

LIOR INVESTISSEMENTSVC firm2rounds
ESSECVC firm2rounds
Idinvest PartnersPrivate equity1round
Entrepreneur InvestPrivate equity1round

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

Also claim to have backed them

These 2 firms list Synthesio 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.

TempoCapVC firmPer its own site
Takara CapitalVC firmPer its own site

Quick answers about Synthesio

Who invested in Synthesio?

Synthesio's investors include LIOR INVESTISSEMENTS, ESSEC, Idinvest Partners and Entrepreneur Invest.

How much has Synthesio raised?

Synthesio has raised $22M across 4 rounds since 2006.

When did Synthesio last raise?

Synthesio's most recent round was a Series B of $20M in Mar 2014.

What was Synthesio's biggest round?

Its most recent round, $20M in Mar 2014, is also its largest on record.

Who backed Synthesio first?

Synthesio's first round on record, in Jun 2006, was backed by ESSEC.

What stage is Synthesio at?

Synthesio's latest named round is a Series B, in Mar 2014.

Where is Synthesio based?

Synthesio is based in the United Kingdom.

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