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How OnSecurity CEO Paul Holder grew OnSecurity to $11.4M revenue with a 57 person team in 2025.

OnSecurity is a leading CREST-accredited penetration testing vendor based in the UK, dedicated to delivering high-impact, high-intelligence penetration testing services to businesses of all sizes.

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OnSecurity Revenue

In 2025, OnSecurity's revenue reached $11.4M. Since its launch in 2018, OnSecurity has shown consistent revenue growth.

OnSecurity Revenue GrowthReported revenue / ARR by year$0$3M$5M$8M$10M$13M20182019202020212022202320242025$0$11MSource: GetLatka.com
YearMilestone
2025OnSecurity Hit $11.4m revenue in September 2025
2018Launched with $0 revenue

OnSecurity Valuation, Funding Rounds

OnSecurity's most recent disclosed valuation is $34.2M.

OnSecurity is a bootstrapped Security Compliance Software startup. Founded in 2018, OnSecurity has grown to $11.4M in revenue without raising any venture capital or outside funding.

As a self-funded Security Compliance Software SaaS company, OnSecurity has built its business with no outside investment.

OnSecurity Capital Raised & ValuationCumulative capital raised and post-money valuation by roundCapital raised (cum.)Valuation$0$120182018 cumulative: $0 • 2018 Founded: $02018 Founded: $0 valuationSource: GetLatka.com
YearRoundAmountValuation% Sold

OnSecurity Employees & Team Size

OnSecurity employs approximately 57 people as of 2026.

OnSecurity has 57 total employees in different roles and functions.

OnSecurity Team GrowthReported headcount over time0132538506320182019202020212022202320242025005757Source: GetLatka.com
YearMilestone
2025Reached 57 employees (September 2025)

Founder / CEO

Paul Holder

Paul Holder is listed as Founder / CEO at OnSecurity.

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Customers

We do not have customer count information for OnSecurity yet.

Frequently Asked Questions about OnSecurity

What is OnSecurity's revenue?

OnSecurity generates $11.4M in revenue.

Who is the CEO of OnSecurity?

The CEO of OnSecurity is Paul Holder.

How much funding does OnSecurity have?

OnSecurity raised $0.

How many employees does OnSecurity have?

OnSecurity has 57 employees.

Where is OnSecurity headquarters?

OnSecurity is headquartered in Bristol, England, United Kingdom.

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Compare OnSecurity to the industry

OnSecurity operates across multiple industries. Browse revenue, funding, and growth data for OnSecurity in each sector below.

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 .

OnSecurity Revenue 2025: $11.4M ARR, $34.2M Valuation