Onion Security
Computer and Network Security • 
London, England, United Kingdom • 1-10 Employees
Company overview
| Headquarters | London, England, United Kingdom |
| Phone number | +4415790877 |
| Website | |
| NAICS | 518210 |
| Keywords | Risk Management, Business Continuity, It Governance, Disaster Recovery, Penetration Testing, GRC, Cybersecurity, Virtual Ciso, Soc 2, Information Security And Iso 27001, Soc Reports, 360 Review, Technology Governance, Ai Governance, Cyber Crisis Exercising |
| Founded | 2024 |
| Employees | 1-10 |
| Socials |
Key Contact at Onion Security
Mark Pagdin
Founder & CISO, CISSP
Onion Security Email Formats
Onion Security uses 1 email format. The most common is {first initial} (e.g., j@onionsecurity.co.uk), used 100% of the time.
| Format | Example | Percentage |
|---|---|---|
{first initial} | j@onionsecurity.co.uk | 100% |
About Onion Security
Onion Security Ltd is a London-based information security consultancy with 20 years of experience in cybersecurity for financial services. Our focus is the security and continuity of operations—we understand the demands placed on technology teams and are here to help. We support UK fintechs and investment firms in achieving and maintaining continuous compliance with ISO 27001, SOC 2, GDPR, and other regulatory frameworks. As a certified Vanta Partner and CISSP-led team, we offer hands-on support with certification readiness, policy development, risk management, and virtual CISO services. Whether you're launching a startup or scaling into regulated markets, we act as an extension of your team—ensuring you're audit-ready, client-confident, and resilient to risk. Core Services: • ISO 27001 & SOC 2 Compliance • Vanta Implementation & Trust Centre Setup • Virtual CISO & GRC Leadership • Risk Assessments & Policy Development • Penetration Testing via Trusted Partners Book a free consultation at www.onionsecurity.co.uk
Onion Security revenue & valuation
| Annual revenue | $85,555 |
| Revenue per employee | $86,000 |
| Estimated valuation?This valuation is estimated based on industry average for the Computer and Network Security industry and current estimated revenues | $273,776 |
| Total funding | No funding |
Employees by Management Level
Total employees: 1-10
Seniority
Employees
Employees by Department
Onion Security has 1 employees across 1 departments.
Departments
Number of employees
Funding Data
Onion Security has never raised funding before.
Onion Security Tech Stack
Discover the technologies and tools that power Onion Security's digital infrastructure, from frameworks to analytics platforms.
Tag managers
Hosting
CMS
Miscellaneous
Security
JavaScript frameworks
JavaScript frameworks
Miscellaneous
Analytics
Canada
Netherlands
Australia
United StatesFrequently asked questions
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