# LumaTax funding: rounds and investors > LumaTax has raised $9.0M across 3 rounds since 2016. Investors include Greycroft, Madrona Venture Group and Y Combinator. Every round with its source. Source: https://millionrounds.com/company/lumatax (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *LumaTax* 3 rounds we have observed, with the 8 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. Consumer Apps Fintech Funding summary Updated 26 Oct 2026 **$9.0M** raised across 3 rounds since 2016, from 3 sources **$2.0M** Round **$3.0M** Round **$4.0M** Venture - **Latest round:** Venture, $4.0M May 2021 - **Step-up i:** 1.3× - **Investors:** 8 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. 2017 2018 2019 2020 2021 **$2.0M** Round **$3.0M** Round **$4.0M** Venture - **First round:** Round, $2.0M - **Biggest round:** $4.0M - **Usual gap between rounds:** 3.3 years ## The rounds - **May 2021** Venture **$4.0M** *4 new* *2 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Bossa Invest](https://millionrounds.com/fund/bossa-invest) [Greycroft](https://millionrounds.com/fund/greycroft) [Madrona Venture Group](https://millionrounds.com/fund/madrona) [Vulcan Capital](https://millionrounds.com/fund/vulcan-capital) [Cowboy Ventures](https://millionrounds.com/fund/cowboy-ventures) Source recorded SEC filing: $6.1M sold, first sale Apr 2021 - **Jan 2018** Round **$3.0M** *2 new* *1 returning* [Greycroft](https://millionrounds.com/fund/greycroft) [Vulcan](https://millionrounds.com/fund/vulcan) Cowboy Ventures/ Madrona Reported by FinSMEs SEC filing: $3.0M sold, first sale Jan 2018 - **Sept 2016** Round **$2.0M** *2 new* [Greycroft](https://millionrounds.com/fund/greycroft) [Madrona Venture Group](https://millionrounds.com/fund/madrona) Reported by FinSMEs ## Founders and team From LumaTax's own website: 5 on the team. - **Csaba Török** Indirect Tax Director - **Elton John** Indirect Tax Director - **John Doe** Indirect Tax Director - **Paul Krupczynska** Indirect Tax Director - **Paulina Krupczynska** Indirect Tax Director ## 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. **Round** 2016 **Round** 2018 **Venture** 2021 [Greycroft](https://millionrounds.com/fund/greycroft) [Madrona Venture Group](https://millionrounds.com/fund/madrona) [Y Combinator](https://millionrounds.com/fund/y-combinator) [Bossa Invest](https://millionrounds.com/fund/bossa-invest) [Vulcan Capital](https://millionrounds.com/fund/vulcan-capital) [Cowboy Ventures](https://millionrounds.com/fund/cowboy-ventures) [Vulcan](https://millionrounds.com/fund/vulcan) Cowboy Ventures/ Madrona ## Everyone who backed them [Greycroft](https://millionrounds.com/fund/greycroft) VC firm **3** rounds [Madrona Venture Group](https://millionrounds.com/fund/madrona) VC firm **2** rounds [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round [Bossa Invest](https://millionrounds.com/fund/bossa-invest) VC firm **1** round [Vulcan Capital](https://millionrounds.com/fund/vulcan-capital) Family office **1** round [Cowboy Ventures](https://millionrounds.com/fund/cowboy-ventures) VC firm **1** round [Vulcan](https://millionrounds.com/fund/vulcan) Investment firm **1** round Cowboy Ventures/ Madrona 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=lumatax). ## Quick answers about LumaTax ### Who invested in LumaTax? LumaTax's investors include Greycroft, Madrona Venture Group, Y Combinator, Bossa Invest and Vulcan Capital, and 3 more on record. ### How much has LumaTax raised? LumaTax has raised $9.0M across 3 rounds since 2016. ### When did LumaTax last raise? LumaTax's most recent round was a Venture of $4.0M in May 2021. ### What was LumaTax's biggest round? Its most recent round, $4.0M in May 2021, is also its largest on record. ### Who backed LumaTax first? LumaTax's first round on record, in Sept 2016, was backed by Greycroft and Madrona Venture Group. ### What stage is LumaTax at? LumaTax's latest named round is a Venture, in May 2021. ### Where is LumaTax based? LumaTax is based in the United States. ## Companies like LumaTax In the same sector, and raised in the last eighteen months. [**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**Coast** $77M · Oct 2026](https://millionrounds.com/company/coast)[**CapitalOS** $52M · Oct 2026](https://millionrounds.com/company/capitalos)[**Whop** $400M · Oct 2026](https://millionrounds.com/company/whop)[**MURAL** $67M · Oct 2026](https://millionrounds.com/company/mural) ## 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