A fractional CTO is an experienced technology leader who works with your business part-time, usually a few days a month. You get senior technology direction when you need it, without the cost of a full-time hire.
What is a fractional CTO?
CTO stands for chief technology officer: the person who decides how technology should support the business, and makes sure it does. Large companies have one on the board. Most small and medium-sized businesses can’t justify a full-time salary at that level, yet they face the same decisions: which systems to buy, which suppliers to trust, how to use AI safely and where the budget should go.
A fractional CTO fills that gap. You get the same experience and judgement, but only for the time you need. That might be two days a month for steady guidance, or more while a big project is under way.
It is not the same as IT support. Your IT support company keeps laptops, email and passwords working. A fractional CTO decides what technology you need and why, then makes sure it gets delivered and actually used. The two work well together.
What does a fractional CTO actually do?
The work changes with the business, but it usually covers six things:
- Setting a technology plan that follows the business plan, so every spend has a clear reason behind it.
- Deciding where to spend, and where to stop. Most growing businesses pay for software that overlaps, or that nobody really uses.
- Choosing and managing suppliers, from software providers to outside developers, and holding them to what they promised.
- Making AI practical and safe: a clear AI policy, the right tools, staff training and a sensible first set of uses.
- Delivering change, so new systems are adopted by the people who need them rather than quietly ignored.
- Translating technology for the leadership team, in plain English, so decisions are made with the full picture.
In a typical month that means time with the leadership team, time with whoever builds and supports your systems, and a clear list of what happens next.
A real example: a 50-person London marketing agency
I have been the fractional CTO for a 50-person London marketing agency for several years, working on-site two days a week and remotely for the rest. Here is one piece of that work, and what it achieved.
The problem
The agency was winning more work, but its processes hadn’t kept up. Planning and costing lived in spreadsheets. Information was copied by hand between systems that didn’t talk to each other. Reports took hours to put together. The leadership team’s question was simple: how do we grow without burning out our people?
What we did
We ran a single, focused programme we called the Super Sprint. Rather than fixing problems one at a time over several years, we delivered twelve improvements together, including:
- Time planning, cost estimating and workload tracking built into the agency’s main project system
- Links between that system and the translation and HR tools, so details were entered once, not three times
- A clear record of every change requested on a piece of work
- Live online dashboards in place of hand-built reports
- An AI knowledge base, so staff could find answers about how things are done without asking around
- AI-assisted translation checking moved from a trial into everyday use
- Automation that turns a campaign plan into a list of everything that needs producing
Outside development partners built most of it, and the in-house team built the AI pieces. My role was to set the direction, make the hard calls on what to include, and hold everyone to weekly progress checks. One piece depended on another company’s product release, so we set a firm date to decide whether to keep or drop it. That way, one late supplier couldn’t hold up everything else.
The people side mattered as much as the technology. We brought in a dedicated change manager and picked a few “super users” to champion the new tools in their teams. Everyone was trained in groups of five, with no one losing more than half a day. Then everything was switched on together, with support on hand in the office for the first few weeks.
The results
Six months after launch, project managers were spending 20% less time on each campaign, the production team was spending 30% less time on manual tasks, and reports took half the time to produce. Other goals, such as using AI to cut the cost of translation checks, have made real progress and are still improving.
The biggest lesson: the gains came from joining systems up and bringing people with us, not from any single piece of technology.
Signs your business needs a fractional CTO
If two or three of these sound familiar, it is worth a conversation:
- Technology decisions land on the managing director or operations director by default, on top of their day job.
- You pay for plenty of software, yet staff still copy information from one system to another.
- You are about to make a big technology investment, and nobody in-house has done one before.
- Your suppliers are telling you what you need, and you have no independent way to check.
- Staff are already using AI tools, but there are no rules about what data goes into them.
- Growth is creating more manual work rather than more profit.
When you probably don’t need one
A fractional CTO isn’t right for everyone, and it is better to know that up front:
- Your set-up is small and simple. If a handful of standard tools does the job, good IT support may be all you need.
- Technology is your product. A software company running a large development team usually needs a full-time CTO in the building every day.
- You have one clearly defined project. If you know exactly what you want built, a good project manager or supplier may be enough.
Many businesses sit between these, which is exactly where a fractional CTO adds most value.
How to get started
It starts with an informal chat about where your business is and where you want it to go. If there is a fit, the first month is usually a review of your current systems, spend and suppliers, followed by a short, plain-English plan with a few quick wins. From there we agree the right rhythm, whether that’s a couple of days a month or a defined project.
If you’re wondering what this costs, read How much does a fractional CTO cost in the UK?
I work with SMEs across Greater London and the wider UK, with a mix of time on-site and remote working to suit each business. You can read more about how my fractional CTO services work, or find out more about me.
If any of the signs above sound familiar, contact me for a chat.