United States · 
Who invested in Tassl?
Tassl's investors include Ben Franklin Technology Partners of Southeastern Pennsylvania, Lightspeed Venture Partners, Dreamit Ventures and Keiretsu Forum.
20172019202120232025
$400KVenture?Venture$60MSeries BUnited States · Series B startup
Who invested in Tassl
3 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.
Funding summaryUpdated 26 Oct 2026
$60Mraised across 3 rounds since 2015, from 3 sources
$400KVenture$60MSeries B
- Latest round
- Series B, $60MApr 2025
- Step-upi
- 150×
- Investors
- 4
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture, $400K Nov 2015
- Biggest round
- $60M Series B · Apr 2025
- Usual gap between rounds
- 7.8 years the median of 2
The rounds
- Apr 2025Series B$60M1 new1 returning
Source recorded
- Jun 2017VentureAmount undisclosed3 new
Source recordedSEC filing: $635K sold
- Nov 2015Venture$400K
No investor was named in the report.
From a historical funding recordSEC filing: $400K sold, first sale Nov 2015
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.
Venture2015Venture2017Series B2025
Ben Franklin Technology Partners of Southeastern Pennsylvania
Lightspeed Venture Partners
Dreamit Ventures
Keiretsu Forum
Ben Franklin Technology Partners of Southeastern PennsylvaniaLightspeed Venture PartnersDreamit VenturesKeiretsu ForumEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list Tassl as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Tassl
How much has Tassl raised?
Tassl has raised $60M across 3 rounds since 2015. One round did not disclose an amount, so the total is a floor.
When did Tassl last raise?
Tassl's most recent round was a Series B of $60M in Apr 2025.
What was Tassl's biggest round?
Its most recent round, $60M in Apr 2025, is also its largest on record.
Who backed Tassl first?
Tassl's first round on record, in Jun 2017, was backed by Dreamit Ventures, Keiretsu Forum and Ben Franklin Technology Partners of Southeastern Pennsylvania.
What stage is Tassl at?
Tassl's latest named round is a Series B, in Apr 2025.
Where is Tassl based?
Tassl is based in the United States.
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