Part-time technology security leadership
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Quick Definition
Fractional CTSOs provide product security and DevSecOps leadership on a part-time basis. Typical engagements are 2-4 days per month with day rates from 1000-1500 GBP.
UK fractional CTSO demand comes from product companies needing security expertise. Organizations seek secure development capabilities.
| Area | Requirement |
|---|---|
| Experience | 15+ years with security and engineering |
| Track Record | DevSecOps, product security |
| Skills | Secure SDLC, threat modeling |
| Background | Engineering and security combined |
Fractional vs Full-Time Executive
Your Potential Savings
£180k+
How fractional executives spend their time
The fractional CTSO leads cybersecurity strategy, technology risk, and security operations on a part-time basis.
Cybersecurity strategy and roadmap
Security architecture and design
Technology risk assessment and management
Security operations centre (SOC) oversight
Incident response and forensics
Compliance (ISO 27001, SOC 2, Cyber Essentials)
Security awareness and training programmes
Compare day rates across C-suite roles
Choose the right engagement model
| Aspect | Fractional | Interim | Full-Time |
|---|---|---|---|
| Time Commitment | 1-3 days/week | 4-5 days/week | 5 days/week |
| Duration | Ongoing/flexible | 3-12 months | Permanent |
| Annual Cost | £50-150k | £150-300k | £200-400k+ |
| Best For | SMEs, startups, scale-ups | Crisis, transitions | Large enterprises |
| Flexibility | ★★★ High | ★★☆ Medium | ★☆☆ Low |
Costs are indicative UK market rates. Actual costs vary by role, experience, and sector.
Based on 2.5 days/week x 2 clients x 48 working weeks. CFO UK average day rate: £1000.
BetaThis calculator provides rough estimates for illustration only. Actual rates and salaries vary based on location, experience, industry, and market conditions.
Complementary leadership for your organisation
Everything you need to know
A fractional CTSO provides product security leadership including DevSecOps and secure development.
Industry data on the rise of fractional leadership
of executives who moved to fractional work report higher job satisfaction
Source: Harvard Business Review ↗Founder's background
Based on 2026 market data for UK Exec roles.
