What fractional and permanent leadership actually mean

A permanent CIO or CISO is a full-time employee who owns technology or security for the long term, sits on the payroll, and builds the function from inside. A fractional leader does the same job at the same seniority, but for a set number of days each month, usually across a fixed term, often through a firm like fractional CIO and CISO services. There is also a third option that confuses many buyers: the interim leader, who is full-time but temporary, brought in to run a function during a gap or a crisis. The right choice depends less on the title and more on the size of the problem, the urgency, and how long you genuinely need the seat filled.

The real difference in remit

A permanent hire owns everything: strategy, delivery, hiring, vendor relationships, board reporting, the lot. A fractional leader is usually scoped to the work that needs a senior brain rather than a senior pair of hands. That means setting the IT strategy, fixing governance, running board-level cyber governance, and building the operating model, while a smaller internal team or managed service handles day-to-day operations. If your problem is largely operational, a permanent hire or a strong team lead fits. If your problem is direction, risk and credibility with the board, a fractional leader covers it without the cost of a full-time executive.

The real difference in focus and presence

Permanent leaders are always in the room. They absorb culture, attend every meeting, and respond to anything that lands in the inbox. That presence is valuable when the function is large and the daily decisions are constant. A fractional leader trades that constant presence for sharper focus. They are not pulled into every minor issue, so they spend their days on the work that moves the needle: the strategy, the security posture, the incident response plan, the supplier risk. For most mid-market firms, the volume of genuine executive-level decisions does not justify a full-time salary. The work fits comfortably into a few focused days a month.

The real difference in cost

This is where the decision usually turns. A permanent CISO in the UK commands a salary that runs roughly £95,000 to £600,000 or more depending on sector and seniority, before you add bonus, pension, recruitment fees and the cost of a bad hire. A fractional model converts that fixed, year-round cost into a flexible monthly engagement you can scale up or down. You pay for the seniority you need, not for a full-time chair you only half use. Our pricing is built around this, and the CIO and CISO cost calculator lets you model the difference for your own numbers. The point is not that fractional is always cheaper in absolute terms. It is that you get executive-grade thinking at a fraction of the standing cost, and you avoid paying for capacity you will not use.

The real difference in speed and risk

Hiring a permanent executive takes months: search, interviews, notice periods, onboarding. If you have a live problem, a board demanding answers on cyber risk, a deal in flight, a regulatory deadline under NIS2, that timeline is a liability. A fractional or interim leader starts in days, not months. That speed matters most when there is a gap to plug, which is exactly what an interim CIO covering a leadership gap is for. A permanent hire carries the opposite risk profile: slow to land, expensive to remove if the fit is wrong, and a heavy commitment when your needs may change within a year.

Which do you need: the verdict

Here is the honest call. If your technology and security function is large, mature, and demands constant executive presence with daily operational decisions, hire permanently. You will get the continuity and immersion that scale requires. If you are a mid-market or PE-backed business that needs the strategy set, the risk owned and the board reassured, but does not generate enough executive-level decisions to fill a full-time week, go fractional. It is the better-value, faster, lower-risk choice for the majority of firms in that bracket. If you have a defined gap, a maternity cover, a sudden departure, a transformation programme, or a technology due diligence exercise around a deal, take an interim. And if you are unsure which problem you actually have, that uncertainty is itself the signal to start fractional, because it commits you to nothing and proves the value before you scale.

One thing worth knowing: these models are not mutually exclusive, and you rarely need three different people. Starkhorn often provides more than one of these under one person. The same leader can act as your virtual CISO and your virtual CIO, covering both security and technology strategy in a single engagement, or run CISO as a service alongside broader cyber security consulting. That consolidation is part of why the fractional model works so well for the mid-market: you get a breadth of cover that would otherwise need two or three permanent salaries.

Why Starkhorn

Starkhorn is led by Daniel J. Jacobs, who has spent over 20 years in technology and security, 15 of them in leadership roles, including Interim Group Technology Director at VetPartners, the BC Partners-backed veterinary group, and CIO and CISO at Jardine Motors Group. He is the author of The Strategy Bridge and holds PRINCE2, ITIL Foundation and full membership of the Institute of Interim Management.

Having held both a fractional-style interim mandate at a private-equity-backed group and a permanent CIO and CISO seat in a large enterprise, Daniel has run technology and security from both sides of this exact decision, which is why he can tell you plainly which model fits your situation rather than selling you the one that suits him.

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