United States · Who invested in LumaTax?
LumaTax's investors include Greycroft, Madrona Venture Group, Y Combinator, Bossa Invest and Vulcan Capital, and 3 more on record.
20172018201920202021
$2.0MRound$3.0MRound$4.0MVenture
United States · Venture startup
Who invested in LumaTax
Funding summaryUpdated 26 Oct 2026
$9.0Mraised across 3 rounds since 2016, from 3 sources
$2.0MRound$3.0MRound$4.0MVenture
- Latest round
- Venture, $4.0MMay 2021
- Step-upi
- 1.3×
- Investors
- 8
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Round, $2.0M Sept 2016
- Biggest round
- $4.0M Venture · May 2021
- Usual gap between rounds
- 3.3 years the median of 2
The rounds
- May 2021Venture$4.0M4 new2 returning
Source recordedSEC filing: $6.1M sold, first sale Apr 2021
- Jan 2018
- Sept 2016
Founders and team
From LumaTax's own website: 5 on the team.
- Csaba TörökIndirect Tax Director
- Elton JohnIndirect Tax Director
- John DoeIndirect Tax Director
- Paul KrupczynskaIndirect Tax Director
- Paulina KrupczynskaIndirect 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.
Round2016Round2018Venture2021
Greycroft
Madrona Venture Group
Y Combinator
Bossa Invest
Vulcan Capital
Cowboy Ventures
VulcanCowboy Ventures/ Madrona
GreycroftMadrona Venture GroupY CombinatorBossa InvestVulcan CapitalCowboy VenturesVulcanCowboy Ventures/ MadronaEveryone who backed them
Cowboy Ventures/ Madronano record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about LumaTax
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.
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