You can get senior, strategic technology leadership without hiring a full-time CTO. Several models do it, and fractional is the most common. The right one depends on whether your need is ongoing or a one-off, how many days a month it really takes, and how much you need someone accountable rather than just advising.
This guide sets out the options, what each costs in the UK, when each fits, and how to choose without wasting a quarter finding out the hard way.
The short answer
There are five practical ways to get senior technology leadership without a permanent hire: a fractional CTO or CIO, an interim, an advisor or non-executive, a technical consultant, or a coach for a leader you already have. Most growing businesses with an ongoing need, rather than a single question to answer, land on fractional.
The options compared
| Option | Time | Indicative UK cost | Best for |
|---|---|---|---|
| Full-time CTO or CIO | Full-time | £150k to £250k+ a year | 25+ engineers, complex product, later stage |
| Fractional CTO or CIO | 1 day a month up to a few days a week | £2.5k to £8k a month | An ongoing need for senior leadership that is not full-time |
| Interim CTO or CIO | Full-time, fixed term | Day rate for a defined period | Covering a gap, or leading a transition or turnaround |
| Advisor or non-executive | A few hours a month | £6k to £24k a year | You have a technical lead and need occasional senior steer |
| Technical consultant | Project-based | £10k to £50k a project | A defined question: a review, due diligence, an audit |
| CTO coach or mentor | A few hours a month | £6k to £24k a year | You have a CTO who needs developing, not replacing |
What “fractional” actually means
A fractional CTO or CIO is embedded and part-time. They sit on your leadership team, own the technology strategy, make real decisions and answer for the outcomes. They are not a consultant who drops in with a report and leaves.
The commitment flexes. It might be one day a month for oversight, or a few days a week during a raise or a re-platform, then it steps back down as things stabilise. You are buying a fraction of a senior person’s time, not a junior on full-time hours.
When each option fits
A fractional CTO or CIO suits an ongoing need for senior leadership that does not justify a full-time salary. This is the common case for businesses between their first engineers and a full engineering department.
An interim suits a gap or a transition. Someone steps in full-time for a defined period, often to hold the role during a search or to lead a business through a crisis or a major change.
An advisor or non-executive suits a business that already has a capable technical lead but needs occasional senior input, or a board-level technology voice a few times a quarter.
A technical consultant suits a defined project with a clear end, a security review, a technology due diligence, an architecture assessment.
A coach suits a business with a CTO who is good but developing, where the need is to grow the person rather than supplement them.
Match the model to the need. Hiring the wrong shape is the most common and most expensive mistake here.
Signs you need senior leadership now
Most businesses wait too long. The signals are consistent.
Delivery has slowed and nobody can explain why. Decisions are being made without anyone who can weigh the technical trade-offs. A raise or an acquisition is coming, and investors or buyers will scrutinise the technology. You are scaling and the platform is starting to strain. Or regulatory pressure is rising and the answers are not ready.
Any one of these is worth a conversation. Two or three together is a clear signal to act.
How a fractional engagement works
A good engagement starts with understanding, not reorganising. The first weeks are spent reading the architecture, the delivery process, the team and the numbers, and forming an honest view of where the risk and the opportunity sit. You should come out of that with a clear picture of your technology in language your board understands.
From there it is steady leadership. Setting the roadmap, sitting in leadership meetings, managing engineering leads and suppliers, and making the calls that keep the platform and the team moving together. The time flexes with what the business needs.
And it is built to hand back. The aim is a stronger team, and often a clean transition to a full-time hire when you are ready for one, with the fractional helping define the role and run the search.
How to choose
Seniority that matches your stage. You want someone who has built and led at the scale you are heading towards, not learning on your business.
A named person, not a bench. Ask exactly who will do the work and what they have run before. If the senior name at the pitch hands you to someone junior after signing, walk away.
Strategy and delivery in one person. Advice that never ships is expensive. You want someone who sets direction and then makes it happen.
Independence. If they resell tools or take referral fees, the advice is not neutral.
Knowledge transfer built in. A good partner is working towards not being needed, developing your people rather than creating dependency.
The questions worth asking are direct. Who, by name, will lead this, and how many years have they done the actual job at my scale? Can I speak to businesses you have worked with? How do you charge, and what happens if scope shifts? How do you leave us stronger than you found us? Specific, evidenced answers are the signal. Hedging and jargon are not.
Where ScaleAround fits
We are a Cardiff-based technology consultancy and a member of FinTech Wales, and this is exactly what we do. We provide fractional CTO and CIO leadership, board and advisory input, and technology reviews, so you can take the model that fits rather than being sold the one on the shelf.
Our founder, Oliver Smith, has more than 20 years leading technology, from quality and engineering through to CTO and VP Engineering roles, including running an 85-person global engineering function. He is a Fellow of the British Computer Society and one of the earliest certified Scrum Masters in the world.
A word on how we work. Oliver leads the company and stays hands-on, and our engagements are led by senior practitioners with at least 15 years of relevant experience, drawn from a vetted network. No junior analysts, no rotating associates. Whatever shape you need, you get someone who has held the role before.
Frequently asked questions
Can I really get strategic technology leadership without a full-time hire?
Yes. A fractional CTO or CIO gives you senior leadership for the days you actually need it, at a fraction of the cost of a permanent hire, and you can scale the commitment up or down as things change.
What is the difference between fractional and interim?
A fractional leader is part-time and ongoing, embedded in your leadership team. An interim is full-time for a fixed period, usually to cover a gap or lead a transition.
How much does a fractional CTO cost in the UK?
Commonly £2,500 to £8,000 a month for one to three days a week, or a day rate of roughly £1,000 to £2,000. That compares with £150,000 or more a year for a full-time hire.
How many days a month would we need?
Often one to a few to start, more during a raise or a major change, then less once things are steady. A good partner tells you honestly rather than selling you days you do not need.
What happens when we are ready for a full-time CTO?
A good fractional leader helps you make the move, defining the role, running the search and onboarding their own replacement rather than holding on to the engagement.
If you need strategic technology leadership without a full-time hire, our fractional CTO and CIO service explains how we work, and a technology review is a sensible first step. Book a 30-minute scoping call for an honest read on what your situation actually needs.