United Kingdom · Series B startup

Who invested in Adbrain

4 rounds we have observed, with the 11 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.

Advertising & Adtech

Funding summaryUpdated 26 Oct 2026

$17Mraised across 4 rounds since 2012, from 4 sources

$1.5MSeed$7.5MSeries A$7.5MSeries B
Latest round
Series B, $7.5MFeb 2016
Investors
11
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.

2013201420152016
?Venture$1.5MSeed$7.5MSeries A$7.5MSeries B
First round
Venture
Dec 2012
Biggest round
$7.5M
Series B · Feb 2016
Usual gap between rounds
10 months
the median of 3

The rounds

  1. Feb 2016
    Series B$7.5M2 new2 returning

    Source recorded

  2. Mar 2014
    Series A$7.5M2 new1 returning

    From a historical funding record

  3. May 2013
  4. Dec 2012
    VentureAmount undisclosed1 new

    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

Entrepreneur FirstAccelerator3rounds
Notion CapitalVC firm3rounds
Octopus VenturesVC firm1round
Cisco InvestmentsCorporate VC1round
Octopus InvestmentsVC firm1round
AngelLab VCVC firm1round
Nihal MehtaVC firm1round
FirestartrVC firm1round
Anil HansjeeAngel1round
Ivan MazourAngel1round
Nick HynesAngel1round

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

Quick answers about Adbrain

Who invested in Adbrain?

Adbrain's investors include Entrepreneur First, Notion Capital, Octopus Ventures, Cisco Investments and Octopus Investments, and 6 more on record.

How much has Adbrain raised?

Adbrain has raised $17M across 4 rounds since 2012. One round did not disclose an amount, so the total is a floor.

When did Adbrain last raise?

Adbrain's most recent round was a Series B of $7.5M in Feb 2016.

What was Adbrain's biggest round?

Its most recent round, $7.5M in Feb 2016, is also its largest on record.

Who backed Adbrain first?

Adbrain's first round on record, in Dec 2012, was backed by Entrepreneur First.

What stage is Adbrain at?

Adbrain's latest named round is a Series B, in Feb 2016.

Where is Adbrain based?

Adbrain is based in the United Kingdom.

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