United Kingdom · 
Who invested in Hack The Box?
Hack The Box's investors include Endeavor Catalyst, Paladin Capital Group and Marathon Venture Capital.
20192020202120222023
$1.3MRound$55MSeries B
United Kingdom · Series B startup
Who invested in Hack The Box
Funding summaryUpdated 26 Oct 2026
$56Mraised across 2 rounds since 2019, from 2 sources
$1.3MRound$55MSeries B
- Latest round
- Series B, $55MJan 2023
- Step-upi
- 42.3×
- Investors
- 3
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, $1.3M Apr 2019
- Biggest round
- $55M Series B · Jan 2023
- Between rounds
- 3.8 years from the last two
The rounds
- Jan 2023
- Apr 2019
Founders and team
From Hack The Box's own website: 1 founder, 7 on the team.
Haris PylarinosFounder & CEO
- Gibb WithamPresident
- Christine BartlettChief Marketing Officer
- Gerasimos MarketosChief Product Officer
- Konstantinos DolkasChief Technology Officer
- Konstantinos DollkasCTO
- Nikos FountasChief Operations Officer
- Tom FernandezChief Revenue Officer
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.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Hack The Box
How much has Hack The Box raised?
Hack The Box has raised $56M across 2 rounds since 2019.
When did Hack The Box last raise?
Hack The Box's most recent round was a Series B of $55M in Jan 2023.
What was Hack The Box's biggest round?
Its most recent round, $55M in Jan 2023, is also its largest on record.
Who backed Hack The Box first?
Hack The Box's first round on record, in Apr 2019, was backed by Marathon Venture Capital.
What stage is Hack The Box at?
Hack The Box's latest named round is a Series B, in Jan 2023.
Where is Hack The Box based?
Hack The Box is based in the United Kingdom.
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