# Adbrain funding: rounds and investors > Adbrain has raised $17M across 4 rounds since 2012. Investors include Entrepreneur First, Notion Capital and Octopus Ventures. Every round with its source. Source: https://millionrounds.com/company/adbrain (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Series B startup](https://millionrounds.com/companies) # 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 summary Updated 26 Oct 2026 **$17M** raised across 4 rounds since 2012, from 4 sources **$1.5M** Seed **$7.5M** Series A **$7.5M** Series B - **Latest round:** Series B, $7.5M Feb 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. 2013 2014 2015 2016 **?** Venture **$1.5M** Seed **$7.5M** Series A **$7.5M** Series B - **First round:** Venture - **Biggest round:** $7.5M - **Usual gap between rounds:** 10 months ## The rounds - **Feb 2016** Series B **$7.5M** *2 new* *2 returning* [Octopus Ventures](https://millionrounds.com/fund/octopus-ventures) [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) [Notion Capital](https://millionrounds.com/fund/notion-capital) [Cisco Investments](https://millionrounds.com/fund/cisco-investments) Source recorded - **Mar 2014** Series A **$7.5M** *2 new* *1 returning* [Notion Capital](https://millionrounds.com/fund/notion-capital) [Octopus Investments](https://millionrounds.com/fund/octopus-investments) [Firestartr](https://millionrounds.com/fund/firestartr) From a historical funding record - **May 2013** Seed **$1.5M** *6 new* *1 returning* [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) [Notion Capital](https://millionrounds.com/fund/notion-capital) [AngelLab VC](https://millionrounds.com/fund/angellab-vc) [Nihal Mehta](https://millionrounds.com/fund/nihal-mehta) [Anil Hansjee](https://millionrounds.com/fund/anil-hansjee) [Ivan Mazour](https://millionrounds.com/fund/ivan-mazour) [Nick Hynes](https://millionrounds.com/fund/nick-hynes) Reported by finsmes.com - **Dec 2012** Venture **Amount undisclosed** *1 new* [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) 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. **Venture** 2012 **Seed** 2013 **Series A** 2014 **Series B** 2016 [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) [Notion Capital](https://millionrounds.com/fund/notion-capital) [Octopus Ventures](https://millionrounds.com/fund/octopus-ventures) [Cisco Investments](https://millionrounds.com/fund/cisco-investments) [Octopus Investments](https://millionrounds.com/fund/octopus-investments) [AngelLab VC](https://millionrounds.com/fund/angellab-vc) [Nihal Mehta](https://millionrounds.com/fund/nihal-mehta) [Firestartr](https://millionrounds.com/fund/firestartr) [Anil Hansjee](https://millionrounds.com/fund/anil-hansjee) [Ivan Mazour](https://millionrounds.com/fund/ivan-mazour) ## Everyone who backed them [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) Accelerator **3** rounds [Notion Capital](https://millionrounds.com/fund/notion-capital) VC firm **3** rounds [Octopus Ventures](https://millionrounds.com/fund/octopus-ventures) VC firm **1** round [Cisco Investments](https://millionrounds.com/fund/cisco-investments) Corporate VC **1** round [Octopus Investments](https://millionrounds.com/fund/octopus-investments) VC firm **1** round [AngelLab VC](https://millionrounds.com/fund/angellab-vc) VC firm **1** round [Nihal Mehta](https://millionrounds.com/fund/nihal-mehta) VC firm **1** round [Firestartr](https://millionrounds.com/fund/firestartr) VC firm **1** round [Anil Hansjee](https://millionrounds.com/fund/anil-hansjee) Angel **1** round [Ivan Mazour](https://millionrounds.com/fund/ivan-mazour) Angel **1** round [Nick Hynes](https://millionrounds.com/fund/nick-hynes) Angel **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=adbrain). ## 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. ## Companies like Adbrain In the same sector, and raised in the last eighteen months. [**Velocity** $105M · Sept 2026](https://millionrounds.com/company/velocity)[**Adthena** $110M · Jul 2026](https://millionrounds.com/company/adthena)[**InfoSum** $164M · Jun 2026](https://millionrounds.com/company/infosum)[**Covatic** $10M · Jun 2026](https://millionrounds.com/company/covatic)[**Vector** $91M · May 2026](https://millionrounds.com/company/vector)[**Go Swag** $5.0M · May 2026](https://millionrounds.com/company/go-swag) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app