You cannot protect what you do not understand. A proper risk assessment shows you where your business is vulnerable before attackers find out. Working with the best risk assessment consultant in the UK gives you clarity on what actually matters.

The right consultant will identify real risks to your business, not just produce a generic report that gathers dust.

I have conducted hundreds of risk assessments over my career. The best ones lead to action. The worst ones tell you things you already knew and offer no practical guidance.

Whether you need a comprehensive cyber risk assessment or targeted analysis of specific systems, the consultants below represent the best in the UK for 2026.

What to Look For in a Risk Assessment Consultant

  • Uses recognised frameworks (ISO 27005, NIST, FAIR)
  • Ties risks to business outcomes, not just technical severity
  • Produces reports the board can understand
  • Prioritises by likelihood and impact, not just CVE scores
  • Offers follow-up to track risk treatment progress

Here is our roundup of the best risk assessment consultants in the UK for 2025.

1. Paul Reynolds

A multi-vendor consultant with over 25 years of experience in security and risk management. I hold CISSP certification and have worked across regulated industries including finance, healthcare, and government.

I provide cyber risk assessment services that focus on what matters to your business. My assessments identify real risks and provide clear, actionable recommendations.

I explain findings in plain English and help you prioritise based on business impact, not just technical severity. You get a roadmap you can actually follow.

2. Your Digital CTO

A fractional CTO service offering technology governance and risk management for growing businesses. They provide gap analysis and risk assessment as part of their broader technology leadership.

Their approach combines strategic risk management with practical guidance. They help businesses understand their technology risks in the context of their overall business goals.

3. Protiviti

A global consultancy with deep expertise in risk assessment, threat management, and vendor risk. They specialise in penetration testing and GDPR compliance for regulated industries.

Protiviti works with financial services and other regulated sectors. A good choice for organisations needing enterprise-grade risk assessment capabilities.

4. Control Risks

A global risk consultancy with deep expertise in geopolitical and operational risk. They combine cyber risk assessment with broader business risk analysis.

Control Risks is a good choice for organisations operating internationally or facing complex threat landscapes beyond just technical security.

5. Prism Infosec

A UK consultancy specialising in information security risk assessment and management. They offer both strategic and technical risk services.

Prism Infosec provides CREST-accredited services and works across multiple sectors. They focus on practical risk management that aligns with business objectives.

6. PGI

A cyber security consultancy with strong public sector experience. They provide risk assessment, security architecture, and compliance services.

PGI holds multiple government accreditations and works with organisations in defence, government, and critical national infrastructure.

7. Ascentor

A Crown Commercial Service Supplier with experience in defence and public sector. They hold IASME Gold certification and provide comprehensive risk assessment services.

Ascentor specialises in helping organisations understand and manage risks in complex supply chains and regulated environments.

8. Reliance acsn

A UK consultancy focused on governance, risk, and compliance. They provide risk assessment and management services for regulated industries.

Reliance acsn works with financial services, healthcare, and other regulated sectors. They combine risk assessment with broader compliance support.

9. SureCloud

A consultancy combining risk assessment with their own GRC platform. They offer integrated risk management and compliance solutions.

SureCloud provides risk assessment, penetration testing, and ongoing risk monitoring. Their platform helps organisations track and manage risks over time.