# SimilarWeb funding: rounds and investors > SimilarWeb has raised $105M across 5 rounds since 2009. Investors include Naspers, Lord David Alliance and CE. Every round with its source. Source: https://millionrounds.com/company/similarweb (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Funded startup](https://millionrounds.com/companies) # Who invested in *SimilarWeb* 5 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. Big Data & Analytics Software Funding summary Updated 26 Oct 2026 **$105M** raised across 5 rounds since 2009, from 5 sources **$18M** Series C **$15M** Series D **$25M** Series E **$47M** Round - **Latest round:** Round, $47M Jul 2017 - **Step-up i:** 1.9× - **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. 2009 2011 2013 2015 2017 **?** Seed **$18M** Series C **$15M** Series D **$25M** Series E **$47M** Round - **First round:** Seed - **Biggest round:** $47M - **Usual gap between rounds:** 21 months ## The rounds - **Jul 2017** Round **$47M** *2 new* CE Viola Growth/ Saban Reported by FinSMEs - **Oct 2015** Series E **$25M** *2 returning* [Naspers](https://millionrounds.com/fund/naspers) [Lord David Alliance](https://millionrounds.com/fund/lord-david-alliance) From a historical funding record - **Nov 2014** Series D **$15M** *1 new* *1 returning* [Naspers](https://millionrounds.com/fund/naspers) [Lord David Alliance](https://millionrounds.com/fund/lord-david-alliance) From a historical funding record - **Feb 2014** Series C **$18M** *1 new* [Naspers](https://millionrounds.com/fund/naspers) From a historical funding record - **Feb 2009** Seed **Amount undisclosed** 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. **Seed** 2009 **Series C** 2014 **Series D** 2014 **Series E** 2015 **Round** 2017 [Naspers](https://millionrounds.com/fund/naspers) [Lord David Alliance](https://millionrounds.com/fund/lord-david-alliance) CE Viola Growth/ Saban ## Everyone who backed them [Naspers](https://millionrounds.com/fund/naspers) VC firm **3** rounds [Lord David Alliance](https://millionrounds.com/fund/lord-david-alliance) Angel **2** rounds CE no record of our own yet **1** round Viola Growth/ Saban no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=similarweb). ## Also claim to have backed them This firm lists SimilarWeb 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. [Union Tech Ventures](https://millionrounds.com/fund/union-tech-ventures) Corporate VC Per its own site ## Quick answers about SimilarWeb ### Who invested in SimilarWeb? SimilarWeb's investors include Naspers, Lord David Alliance, CE and Viola Growth/ Saban. ### How much has SimilarWeb raised? SimilarWeb has raised $105M across 5 rounds since 2009. One round did not disclose an amount, so the total is a floor. ### When did SimilarWeb last raise? SimilarWeb's most recent round was an Undisclosed round of $47M in Jul 2017. ### What was SimilarWeb's biggest round? Its most recent round, $47M in Jul 2017, is also its largest on record. ### Who backed SimilarWeb first? SimilarWeb's first round on record, in Feb 2014, was backed by Naspers. ### What stage is SimilarWeb at? SimilarWeb's latest named round is an Undisclosed round, in Jul 2017. ### Where is SimilarWeb based? SimilarWeb is based in the United Kingdom. ## Companies like SimilarWeb In the same sector, and raised in the last eighteen months. [**Cognitive Credit** $64M · Oct 2026](https://millionrounds.com/company/cognitive-credit)[**Salience Labs** $169M · Oct 2026](https://millionrounds.com/company/salience-labs)[**Affinity Labs** $3.2M · Oct 2026](https://millionrounds.com/company/affinity-labs)[**Alchera Technologies** $3.7M · Oct 2026](https://millionrounds.com/company/alchera-technologies)[**Meticulous** $19M · Oct 2026](https://millionrounds.com/company/meticulous)[**Foundational** $19M · Oct 2026](https://millionrounds.com/company/foundational) ## 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