Latka logo

How Castle CEO Johan Brissmyr grew Castle to $9.3M revenue and 500M customers in 2024.

Castle analyzes user behavior to stop hackers

Last updated

Castle Revenue

In 2024, Castle's revenue reached $9.3M. The company previously reported $5.6M in 2023. Since its launch in 2016, Castle has shown consistent revenue growth.

Castle Revenue GrowthReported revenue / ARR by year$0$2M$4M$6M$8M$10M201620172018201920202021202220232024$0$5M$6M$9MSource: GetLatka.com
YearMilestoneQuote
2024Castle Hit $9.3m revenue in October 2024
2023Castle Hit $5.6m revenue in December 2023
2021Castle Hit $4.9m revenue in January 2021
2016Launched with $0 revenue

Castle Valuation, Funding Rounds

Castle is a bootstrapped Cryptocurrency Wallets startup. Founded in 2016, Castle has grown to $9.3M in revenue without raising any venture capital or outside funding.

As a self-funded Cryptocurrency Wallets SaaS company, Castle has built its business with no outside investment.

Castle Capital Raised & ValuationCumulative capital raised and post-money valuation by roundCapital raised (cum.)Valuation$0$120162016 cumulative: $0 • 2016 Founded: $02016 Founded: $0 valuationSource: GetLatka.com
YearRoundAmountValuation% SoldQuote

Castle Employees & Team Size

Castle employs approximately 37 people as of 2026, up from 26 in 2023. It serves 500M customers that rely on its solutions.

Castle Team GrowthReported headcount over time01325385063201620172018201920202021202220232024003737Source: GetLatka.com
YearMilestone
2024Reached 37 employees (December 2024)
2024Reached 34 employees (October 2024)
2023Reached 26 employees (December 2023)
2022Reached 23 employees (December 2022)
2021Reached 27 employees (December 2021)
2021Reached 50 employees (January 2021)

Founder / CEO

Johan Brissmyr

Johan Brissmyr is the CEO & Co-founder at Castle. Prior to joining Castle, Jim was the Chief Product Officer at New Relic, a global observability leader. At New Relic, Jim helped grow the company from $0 to $500 million in revenue and led a global development team of more than 500 people.

Q&A

QuestionAnswer
What's your age?-
Favorite online tool?-
Favorite book?-
Favorite CEO?-
Advice for 20 year old self-

Customers

See how Castle acquires and retains customers with data on acquisition costs and revenue performance. Log in to access the complete customer economics dashboard.

Locked

Frequently Asked Questions about Castle

What is Castle's revenue?

Castle generates $9.3M in revenue.

Who founded Castle?

Castle was founded by Johan Brissmyr.

Who is the CEO of Castle?

The CEO of Castle is Johan Brissmyr.

How much funding does Castle have?

Castle raised $0.

How many employees does Castle have?

Castle has 37 employees.

Where is Castle headquarters?

Castle is headquartered in Brooklyn, New York, United States.

Source Attribution

Source: all data was collected from GetLatka company research and founder interviews. Revenue, funding, team, and customer figures are presented as company-reported or GetLatka-estimated metrics where the profile data identifies them that way.

Company data last updated .

Data Disclaimer

All figures on this page are taken directly from interviews or are estimates from public sources and proprietary models. Not financial advice. Read full disclaimer.

Claim this profile
Castle Revenue 2024: $9.3M ARR (Bootstrapped)