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Castle analyzes user behavior to stop hackers
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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 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.
| Year | Round | Amount | Valuation | % Sold | Source |
|---|
CEO
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.
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We do not have customer count information for Castle yet.
Castle employs approximately 37 people as of 2026, up from 26 in 2023. It serves 500M customers that rely on its solutions.
Castle generates an estimated $9.3M in annual revenue.
Castle was founded by Johan Brissmyr.
The CEO of Castle is Johan Brissmyr.
Castle is bootstrapped and has not raised outside funding.
Castle has 37 employees.
Castle is headquartered in Brooklyn, New York, United States.
Castle operates across multiple industries. Browse revenue, funding, and growth data for Castle in each sector below.
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.
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85 associated members
2024 Revenue
$9.3M(Est.)
Funding
$0
Team
37
Founded
2016
| Year | Milestone | Source |
|---|---|---|
| 2024 | Castle Hit $9.3m revenue in October 2024 | Estimated |
| 2023 | Castle Hit $5.6m revenue in December 2023 | Estimated |
| 2021 | Castle Hit $4.9m revenue in January 2021 | |
| 2016 | Launched with $0 revenue |
| Year | Milestone | Source |
|---|---|---|
| 2024 | Reached 37 employees (December 2024) | |
| 2024 | Reached 34 employees (October 2024) | |
| 2023 | Reached 26 employees (December 2023) | |
| 2022 | Reached 23 employees (December 2022) | |
| 2021 | Reached 27 employees (December 2021) | |
| 2021 | Reached 50 employees (January 2021) |
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