Fractional CISO UK
Fractional CISO for UK SMEs — board reporting, risk register, regulatory liaison, and security strategy as a part-time service. A fractional CISO replaces a full-time CISO salary. No recruitment, no headcount, no long contract.
Fixed
Fractional CISO from
Fraction
of a full-time CISO salary replaced
1
Fixed monthly fee
100%
UK-based, board-experienced
Cybersecurity Consulting + 24/7 SOC Monitoring
Every Gridisys engagement is built on two pillars — strategic consulting to design the right controls, and managed SOC monitoring to keep them effective.
Cybersecurity Consulting
UK consulting engagements: risk assessment, security architecture, conditional access design, compliance (Cyber Essentials, UK GDPR, FCA PS21/3, NIS2), incident-response planning. Board-ready documentation, no jargon, no surprise invoices.
- Risk assessment + security architecture review
- Conditional access + Entra ID hardening design
- Cyber Essentials / UK GDPR / FCA / NIS2 compliance support
- Incident response planning + tabletop exercises
- Vendor + supply-chain security assessment
- Board / DPO reporting + evidence pack
Managed SOC Monitoring · 24/7
AI-augmented Security Operations Centre — continuous monitoring across Microsoft 365 / Entra ID, Defender, on-prem, and cloud. UK-based analysts, sub-hour triage on critical alerts. No long contract required.
- 24/7 SIEM monitoring — Microsoft 365, Entra ID, Defender, Azure, on-prem logs
- BEC + mailbox-compromise + OAuth grant abuse detection
- Suspicious sign-in + conditional access drift alerting
- Ransomware + lateral-movement detection from EDR + Defender
- Sub-hour triage on critical alerts, monthly ops report
- Optional + integrated with consulting engagements
Most engagements start with consulting (1-2 weeks), then SOC monitoring (ongoing ) keeps the controls effective.
Pricing tailored to your needs
Every engagement is scoped to your environment and requirements. Book a free consultation for a tailored quote — no obligation.
What we cover
Practical, board-ready consulting — no jargon, no surprise invoices.
Security Strategy & Roadmap
We build a 12-month security roadmap aligned to your business goals, risk appetite, and compliance obligations.
Risk Register Management
We maintain a live risk register — top risks, likelihood, impact, mitigation owners, and status.
Board Reporting
We attend board meetings and present security posture, risks, and investment recommendations in business language.
Regulatory Liaison
We act as your security contact for ICO, FCA, NCSC, auditors, and client due-diligence requests.
Vendor & Project Oversight
We review security vendors, oversee security projects, and ensure you get value from your security spend.
Incident Response Leadership
If you're breached, your fractional CISO leads the response — coordinating IR, ICO notification, and recovery.
How we work
Onboarding (2 weeks)
We assess your posture, meet the board, and build the first risk register + 12-month roadmap.
Monthly cadence
Monthly working sessions, risk register updates, and ongoing security decisions.
Quarterly board reporting
We attend board meetings quarterly, present posture + risks + investment recommendations.
Sectors we protect
CISO-level leadership, part-time
Fixed monthly retainer — board reporting, risk register, regulatory liaison. No recruitment, no headcount.
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