Why Choose Onion?
Onion Security Ltd is a London-based cybersecurity consultancy with over two decades of experience serving the financial sector. Our CISSP-certified professionals have partnered with global investment firms, currency management organisations, and innovative start-ups to enhance their security posture.
We understand the unique challenges faced by technology teams and act as an extension of your organisation, providing tailored solutions to ensure operational continuity and data protection.

How We Work
1 – Free Introductory Call
We discuss your specific needs and applicable frameworks.
2 – Customised Compliance Plan
Tailored solutions to fit your organisation’s requirements.
3 – Roadmap Development
Define clear milestones and timelines for implementation.
4 – Implementation
Assist with policies, controls, and staff training.
5 – Vanta Configuration & Trust Centre Setup
Set up dashboards and trust portals for transparency.
6 – Ongoing Support
Provide continuous monitoring and assistance to maintain compliance.

Guiding your business to continuous compliance
Our Trusted Partners



