Interim CISO Jobs UK
Interim Security Leadership

Interim CISO Jobs UK

Find interim CISO and interim Security Director roles across the UK. Premium interim security leadership positions with day rates from £1,000-£1,500.

0+
Interim CISO Roles
£1200
Avg Day Rate
0
Remote/Hybrid
Updated 12 January 2026
Last Updated
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Interim CISO & Security Director Jobs UK

0+ live interim security roles

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Interim CISO Rates

Interim CISO Day Rate Calculator

Fractional CISO Earnings

Calculate Your Potential Income

£1,150
£900Avg: £1150£1600
2.5 days
1 day5 days
2 clients
14
Weekly
£5,750
Monthly
£24,898
Annual
£276,000

Based on 2.5 days/week x 2 clients x 48 working weeks. CISO UK average day rate: £1150.

BetaThis calculator provides rough estimates for illustration only. Actual rates and salaries vary based on location, experience, industry, and market conditions.

The UK Interim CISO Market

The interim CISO market in the UK has grown as companies face increasing cyber threats, regulatory requirements, and the need for experienced security leadership. Interim CISOs provide immediate expertise during critical security situations.

Unlike fractional CISO roles, interim positions are typically full-time assignments lasting 6-12 months, ideal for post-breach recovery or major security transformations.

When Companies Need Interim CISOs

  • Incident response - Post-breach recovery and remediation
  • Compliance programmes - ISO 27001, SOC 2, FCA requirements
  • Security transformation - Modernising security posture
  • M&A due diligence - Security assessment and integration
  • Leadership gaps - Covering departures during recruitment

Related Resources

IR35 Calculator for Interim CISOs

UK Tax Calculator

IR35 Take-Home Pay Calculator

See how IR35 status affects your earnings as a fractional executive

£1,200
4 days
48 weeks
Gross Annual: £230,400

Inside IR35

Umbrella company or deemed employment

Gross Revenue
£230,400
Employer's NI
-£16,560
Income Tax
-£71,679
Employee NI
-£6,033
Take-Home Pay
£134,928

Outside IR35

Limited company - salary + dividends

Company Revenue
£230,400
Corporation Tax
-£56,930
Dividend Tax
-£50,054
Take-Home Pay
£120,416
Being Outside IR35 Saves You
-£14,512
per year (-10.8% more)
BetaEstimates only. Consult a tax accountant. gov.uk/IR35
FAQ

Common Questions About Interim CISO Jobs UK

An interim CISO is a temporary Chief Information Security Officer who provides senior security leadership during transitions, incidents, or gaps in permanent leadership. Unlike fractional CISOs who work part-time ongoing, interim CISOs typically work full-time for a defined period (6-12 months).
Interim CISO day rates in the UK typically range from £1,000-£1,500 per day, depending on company size, sector, and complexity. Incident response and regulated sector expertise command premium rates.
Most interim CISO assignments last 6-12 months, covering security transformations, incident recovery, or compliance programmes. Post-breach situations may extend longer.
Interim CISOs typically work full-time for a fixed period, while fractional CISOs work part-time (1-3 days/week) on an ongoing basis. Interim roles suit major security transformations or incident response.
Most interim CISOs have 15+ years of security experience including prior CISO roles. CISSP, CISM certifications, and regulatory compliance expertise (FCA, GDPR, ISO 27001) are highly valued.
Meet the Expert

Written by a Practicing Fractional Executive

Dan Keegan - Fractional Executive Expert with 15+ years experience in GTM, strategy, and executive leadership

Dan Keegan

Founder & Fractional GTM Expert

With over 15 years of experience in executive leadership, go-to-market strategy, and business development, Dan brings real-world fractional expertise to help professionals navigate the executive job market.

Dan founded Fractional Quest after working as a fractional executive himself, understanding firsthand the challenges of finding quality opportunities and the value fractional leaders bring to growing businesses.

15+ Years Executive ExperienceFractional GTMStrategy & Growth

Prior executive experience includes

SONY
Sony
O
Orange
H3G
Hutchison

Current fractional client

1U
OneUp Productions
1U

OneUp Productions

Gaming & Esports Production

Fractional GTM Lead
3
New Markets Entered
GTM
Strategy Delivered
2-3
Days Per Week

The Challenge

OneUp Productions needed to expand into new international markets but lacked the in-house expertise for go-to-market strategy. They needed senior GTM leadership without the commitment of a full-time hire.

Our Approach

Engaged as Fractional GTM Lead to develop and execute market expansion strategy, working 2-3 days per week alongside the existing leadership team.

Cost Effective

Senior GTM expertise at a fraction of full-time hire cost

Immediate Impact

Hit the ground running with proven playbooks

Flexible Scale

Adjusted involvement as needs evolved

Fractional GTMMarket ExpansionGaming IndustryInternational Growth