Cyber Security Companies UK
A buyer's guide to the top UK cyber security companies for SMEs of 20-250 staff. Fixed-price consulting, 24/7 managed SOC, and compliance support — Gridisys delivers all three under one roof, with no long contract.
Fixed
SOC entry price
3-in-1
SOC + consulting + compliance
24/7
UK-based monitoring
100+
UK SMEs protected
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.
Managed SOC Monitoring
24/7 AI-augmented monitoring of Microsoft 365, Entra ID, Defender, and on-prem logs — sub-hour triage on critical alerts.
Fixed-Price Consulting
Risk assessments, security architecture, conditional access design, and compliance — fixed prices, no hourly overruns.
Compliance Support
Cyber Essentials, ISO 27001, UK GDPR, FCA PS21/3, and NIS2 — evidence gathered from SOC telemetry, ready for auditors.
Incident Response
On-call IR with ransomware recovery, BEC forensics, and ICO 72-hour breach notification — included in MSSP plans.
Penetration Testing
CREST-aligned web app, internal network, and external infrastructure testing with actionable reports and free retests.
Virtual CISO
Board reporting, risk register, and regulatory liaison — replaces a full-time CISO.
How we work
Scoping call (15 min)
We assess your environment, compliance needs, and risk profile. One fixed monthly price or project fee agreed.
Onboarding (24-48 hrs)
Log integration, baseline detection rules, and compliance baseline established. Minimal disruption to your team.
Ongoing delivery
24/7 monitoring, consulting on demand, compliance evidence, and monthly board-ready reporting.
Sectors we protect
The UK cyber security company built for SMEs
SOC, consulting, compliance, and IR — one provider, one fixed fee. No long contract.
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