# Vidsy funding: rounds and investors > Vidsy has raised $17M across 4 rounds since 2014. Investors include MassChallenge, Ascension and Founders Factory. Every round with its source. Source: https://millionrounds.com/company/vidsy (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Series B startup](https://millionrounds.com/companies) # Who invested in *Vidsy* 4 rounds we have observed, with the 6 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 2014, from 4 sources **$44K** Seed **$415K** Venture **$39K** Grant **$16M** Series B - **Latest round:** Series B, $16M Oct 2021 - **Step-up i:** 422.3× - **Investors:** 6 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. 2015 2016 2017 2018 2019 2020 2021 **$44K** Seed **$415K** Venture **$39K** Grant **$16M** Series B - **First round:** Seed, $44K - **Biggest round:** $16M - **Usual gap between rounds:** 11 months ## The rounds - **Oct 2021** Series B **$16M** *4 new* [MassChallenge](https://millionrounds.com/fund/masschallenge) [Ascension](https://millionrounds.com/fund/ascension) [Founders Factory](https://millionrounds.com/fund/founder-s-factory) [Mercuri VC](https://millionrounds.com/fund/mercuri) Source recorded - **Oct 2015** Grant **$39K** No investor was named in the report. From a historical funding record - **Sept 2015** Venture **$415K** *1 new* [Ascension Ventures](https://millionrounds.com/fund/ascension-ventures) From a historical funding record - **Oct 2014** Seed **$44K** *1 new* [Oxygen Accelerator](https://millionrounds.com/fund/oxygen-accelerator) 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. **Seed** 2014 **Venture** 2015 **Grant** 2015 **Series B** 2021 [MassChallenge](https://millionrounds.com/fund/masschallenge) [Ascension](https://millionrounds.com/fund/ascension) [Founders Factory](https://millionrounds.com/fund/founder-s-factory) [Mercuri VC](https://millionrounds.com/fund/mercuri) [Ascension Ventures](https://millionrounds.com/fund/ascension-ventures) [Oxygen Accelerator](https://millionrounds.com/fund/oxygen-accelerator) ## Everyone who backed them [MassChallenge](https://millionrounds.com/fund/masschallenge) Accelerator **1** round [Ascension](https://millionrounds.com/fund/ascension) VC firm **1** round [Founders Factory](https://millionrounds.com/fund/founder-s-factory) Accelerator **1** round [Mercuri VC](https://millionrounds.com/fund/mercuri) VC firm **1** round [Ascension Ventures](https://millionrounds.com/fund/ascension-ventures) Corporate VC **1** round [Oxygen Accelerator](https://millionrounds.com/fund/oxygen-accelerator) Accelerator **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=vidsy). ## Also claim to have backed them This firm lists Vidsy as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [Coral Reef IO](https://millionrounds.com/fund/coral-reef-io) Private equity Per its own site ## Quick answers about Vidsy ### Who invested in Vidsy? Vidsy's investors include MassChallenge, Ascension, Founders Factory, Mercuri VC and Ascension Ventures, and 1 more on record. ### How much has Vidsy raised? Vidsy has raised $17M across 4 rounds since 2014. ### When did Vidsy last raise? Vidsy's most recent round was a Series B of $16M in Oct 2021. ### What was Vidsy's biggest round? Its most recent round, $16M in Oct 2021, is also its largest on record. ### Who backed Vidsy first? Vidsy's first round on record, in Oct 2014, was backed by Oxygen Accelerator. ### What stage is Vidsy at? Vidsy's latest named round is a Series B, in Oct 2021. ### Where is Vidsy based? Vidsy is based in the United Kingdom. ## Companies like Vidsy 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