Insights

Funding momentum OnSecurity recently secured multi-million funding rounds totaling around £5.5M in 2024, signaling strong investor confidence and potential for increased budget cycles in cybersecurity testing and related services.

Strategic growth Gresham House Ventures’ strategic investment indicates a growth-focused trajectory, creating opportunities for enterprise-scale penetration testing, governance, and security program expansion across mid-market to enterprise clients.

CREST-aligned credibility Offering CREST-accredited AI augmented pentesting positions OnSecurity as a trusted vendor for organizations seeking high-assurance security testing, making it a favorable partner for regulated industries and large-scale security programs.

UK market expansion As a UK-based pentesting provider with recent financing and visibility in security media, OnSecurity is well-placed to pursue UK and Europe-based enterprise accounts requiring advanced pentest services and ongoing security managed delivery.

Tech-forward delivery Leveraging modern tech stack and AI-augmented testing suggests opportunities to upsell integrated pentest programs, reporting automation, and continuous security assessments to customers seeking scalable, efficient security operations.

Similar companies to OnSecurity

OnSecurity Tech Stack

OnSecurity uses 8 technology products and services including oEmbed, Babel, React, and more. Explore OnSecurity's tech stack below.

  • oEmbed
    Dev Tools
  • Babel
    Development
  • React
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • Amazon ALB
    Load Balancers
  • PWA
    Miscellaneous
  • reCAPTCHA
    Security
  • Apache HTTP Server
    Web Servers

OnSecurity's Email Address Formats

OnSecurity uses at least 2 format(s):
OnSecurity Email FormatsExamplePercentage
First.Last@onsecurity.coJohn.Doe@onsecurity.co
94%
First@onsecurity.coJohn@onsecurity.co
6%
First.Last@onsecurity.ioJohn.Doe@onsecurity.io
100%

Frequently Asked Questions

What is OnSecurity's official website and social media links?

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OnSecurity's official website is onsecurity.io and has social profiles on LinkedInCrunchbase.

What is OnSecurity's NAICS code?

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OnSecurity's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does OnSecurity have currently?

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As of July 2026, OnSecurity has approximately 56 employees across 3 continents, including EuropeSouth AmericaNorth America. Key team members include Chief Revenue Officer (cro): D. B.Chief Financial Officer: M. W.Vp Innovation: C. B.. Explore OnSecurity's employee directory with LeadIQ.

What industry does OnSecurity belong to?

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OnSecurity operates in the Computer and Network Security industry.

What technology does OnSecurity use?

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OnSecurity's tech stack includes oEmbedBabelReactjQueryAmazon ALBPWAreCAPTCHAApache HTTP Server.

What is OnSecurity's email format?

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OnSecurity's email format typically follows the pattern of First.Last@onsecurity.co. Find more OnSecurity email formats with LeadIQ.

How much funding has OnSecurity raised to date?

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As of July 2026, OnSecurity has raised $7M in funding. The last funding round occurred on Jul 10, 2024 for $7M.

When was OnSecurity founded?

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OnSecurity was founded in 2018.
OnSecurity logo

OnSecurity

Computer and Network SecurityEngland, United Kingdom51-200 Employees

OnSecurity operates in the computer and network security sector, offering CREST-accredited penetration testing that is augmented by artificial intelligence. This AI-enhanced approach aims to simplify the management and delivery of pentesting engagements. The services are intended for organizations seeking thorough security assessments with improved efficiency in how testing is conducted.

Based in Bristol, England, OnSecurity is positioned within the UK cybersecurity landscape. The company is described as employing a mid-sized team. Its focus is on providing pentesting services to clients requiring security testing and assessment.

Section iconCompany Overview

NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2018
Employees
51-200

Section iconFunding & Financials

  • $7M

    OnSecurity has raised a total of $7M of funding over 2 rounds. Their latest funding round was raised on Jul 10, 2024 in the amount of $7M.

  • $10M$25M

    OnSecurity's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $7M

    OnSecurity has raised a total of $7M of funding over 2 rounds. Their latest funding round was raised on Jul 10, 2024 in the amount of $7M.

  • $10M$25M

    OnSecurity's revenue is estimated to be in the range of $10M$25M

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