United Kingdom · Venture startup

Who invested in Tessian

6 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.

AICybersecurity

Funding summaryUpdated 26 Oct 2026

$127Mraised across 6 rounds since 2018, from 6 sources

$13MSeries A$40MSeries B$67MRound$136KRound$7.1MRound

Latest round: Round, $7.1MDec 2023
Biggest round: $67MRound · May 2021
Step-upi: 52.7×
Investors: 8 (2 led)

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.

20192020202120222023

$13MSeries A$40MSeries B$67MRound?Venture$136KRound$7.1MRound

First round: Series A, $13M
Biggest round: $67M
Usual gap between rounds: 8 months

The rounds

Dec 2023
Round$7.1M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
May 2022
Round$136K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Sept 2021
VentureAmount undisclosed1 new3 returning
Source recorded
May 2021
Round$67M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Jan 2019
Series B$40M1 new1 returning
- Sequoia CapitalLead
- Balderton CapitalLead
Reported by TechCrunch
Jun 2018
Series A$13M6 new
- Balderton Capital
- LocalGlobe
- CRANE - Croatian Investors & Business Angels Association
- Winton Ventures
- Walking
- Accel/ Amadeus
Reported by FinSMEs

Funding filed with regulators

Tessian filed 6 raises, $83M in all. Filings say how much was sold and to how many investors; they never name the investors.

Dec 2023$6.8MUK share allotment
Dec 2023$377KUK share allotment
May 2022$136KUK share allotment
Aug 2021$9.1MUK share allotment
May 2021$66MUK share allotment
May 2021$903KUK share allotment

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.

Series A2018Series B2019Round2021Venture2021Round2022Round2023

Balderton CapitalL

Sequoia CapitalL

LocalGlobe

Crane Venture Partners

CRANE - Croatian Investors & Business Angels Association

Winton Ventures

WalkingAccel/ Amadeus

Everyone who backed them

Balderton CapitalVC firm3rounds, led 1

Sequoia CapitalVC firm2rounds, led 1

LocalGlobeVC firm2rounds

Crane Venture PartnersVC firm1round

CRANE - Croatian Investors & Business Angels AssociationAngel network1round

Winton VenturesCorporate VC1round

WalkingVC firm1round

Accel/ Amadeusno record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 3 firms list Tessian 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.

FiredropMicro VCPer its own site

TempoCapVC firmPer its own site

ConduitAcceleratorPer its own site

Quick answers about Tessian

Who invested in Tessian?

Tessian's investors include Balderton Capital, Sequoia Capital, LocalGlobe, Crane Venture Partners and CRANE - Croatian Investors & Business Angels Association, and 3 more on record.

How much has Tessian raised?

Tessian has raised $127M across 6 rounds since 2018. One round did not disclose an amount, so the total is a floor.

When did Tessian last raise?

Tessian's most recent round, $7.1M, was in Dec 2023.

What was Tessian's biggest round?

Tessian's largest round on record is $67M, in May 2021.

Who backed Tessian first?

Tessian's first round on record, in Jun 2018, was backed by Balderton Capital, LocalGlobe and CRANE - Croatian Investors & Business Angels Association and 3 others.