Cyber Security Consultancy & Consultants
London & UK
Gridisys is the UK cyber security consultancy helping businesses protect Microsoft 365, Google Workspace, and cloud infrastructure. From fixed-price risk assessments to 24/7 AI-powered managed SOC — enterprise security at SME prices. No long-term contracts; live in 24 hours.
Cybersecurity Services for UK Businesses
From London startups to UK-wide enterprises — we deliver practical, measurable security improvements.
Cyber Risk Assessments
Identify vulnerabilities across your infrastructure before attackers do. We deliver a prioritised risk report with clear remediation steps — fixed-price.
Managed SOC & Threat Hunting
AI-powered 24/7 Security Operations Centre monitoring Microsoft Entra, Office 365, and Google Workspace in near real time —, no contract.
Identity & Access Security
Harden Microsoft Entra ID and Google Workspace against credential theft, privilege escalation, and impossible-travel attacks — BEC defence starts here.
UK GDPR, ICO & FCA Compliance
Align your security posture with UK GDPR Article 33, ICO 72-hour breach notification, NIS2, Cyber Essentials, and FCA PS21/3 operational resilience expectations.
MSP Security Partnerships
White-label SOC services and consulting support for managed service providers serving UK clients — partner with a specialist, not a competitor.
Incident Response & Retainer
Rapid response and forensic investigation when a breach occurs — retainer, no large upfront. ICO notification handled when needed.
Trusted Cybersecurity Consultants — London & Nationwide
Speak to a consultant today. Free 30-minute security review with no obligation.
Pricing tailored to your needs
Every engagement is scoped to your environment and requirements. Book a free consultation for a tailored quote — no obligation.
Why Choose Gridisys as Your
UK Cybersecurity Consultant?
We're not a generic IT firm that dabbles in security. Cybersecurity is our core — specifically protecting cloud identities, Microsoft 365, and Google Workspace for UK businesses that can't afford to get it wrong.
- UK-based cybersecurity consultants with London presence
- Specialist expertise in Microsoft Entra, Office 365 & Google Workspace
- AI SOC Hunters — 24/7 automated threat detection
- FCA-aligned and UK GDPR compliant advisory
- Fixed-fee consulting engagements — no hidden costs
- Response SLA within 4 hours for critical incidents
- Sector-specific experience across finance, law, healthcare, MSPs
- Cyber Essentials Plus readiness delivered in 4-week sprint
Gridisys Ltd
Company No. 15780405 · Registered in England & Wales
Registered office at 128 City Road, London EC1V 2NX. Serving businesses across London, the Home Counties, and nationwide UK with remote and on-site consulting options.
UK Sectors We Protect
Sector-specific cybersecurity consulting — each vertical has its own regulatory regime, threat profile, and Cyber Essentials readiness needs.
UK Cities Served
Looking for a local cybersecurity consultant? We have dedicated UK city landing pages with sector and regulatory context for each region.
Cybersecurity Consultants in London
London's business landscape is a prime target for cybercriminals. From City fintech firms to Shoreditch startups, we work with London businesses every day to secure their cloud environments, protect customer data, and stay ahead of evolving threats. Our London-based clients benefit from on-site consulting where needed, alongside 24/7 remote SOC monitoring.
Related UK Cybersecurity Guides
Our most-read UK cybersecurity guides — useful for buyers comparing options before booking a consultation.
Frequently Asked Questions
Ready to Secure Your Business?
Get started with a free demo and see how Gridisys protects your Microsoft Entra and Google Workspace environments in real time.
Book Your Free Demo