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Fractional CTO and Interim CTO services.

Most growing companies reach a point where the technical decisions outpace the leadership available to make them. The roadmap stalls, shipping slows, and the gap between business ambition and engineering execution gets wider.

A Whitesmith fractional CTO embeds inside your team to close that gap. We bring the strategic direction, process discipline, and technical judgment that scale-ups need, without the 6-month hiring cycle or the cost of a permanent executive.

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A practical, executive-focused session on using Claude to help you prioritise, unlock insights from your data, and make better, faster decisions with AI. Join Whitesmith for real-world examples of what's possible on embedding AI into strategic workflows.

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"Working with Rafael as our fCTO over the past six months has been incredibly impactful for our young tech company. He has helped us identify gaps in leadership & strategy, staff resource, and tech skills. Once those gaps were identified, he worked with us to develop plans to tackle each one and checked in weekly to ensure we had everything we needed for success. After our initial six month project with him, our product team is working faster, harder and more efficiently with great results for our users. I would highly recommend working with Rafael as your fCTO to take your product team to the next level!"

Mae Dobbs, Senior Director

Fractional CTO or Interim CTO?

There are two ways we typically work. The right one depends on whether you need someone for a defined period of change or as ongoing technical leadership. Either way, you get an experienced CTO who understands your team's context, not a consultant observing from the outside.

Interim CTO

Interim CTO engagements are for defined periods of change: a CTO departure, a funding round, a product milestone that needs senior technical direction, or a restructure where engineering needs stability. We typically embed for 3 to 6 months, part or full time, with a clear scope and handover plan from the start.

Fractional CTOs

Fractional CTO engagements are for organisations that need sustained technical leadership but aren't ready, or don't need, a full-time hire. We work alongside your team on an ongoing basis: setting technical direction, improving delivery processes, and building the engineering culture that lets you scale.

Why Whitesmith

We've been embedding technical leaders inside organisations since 2012. What makes it work is how we operate: a CTO from Whitesmith spends their first days listening, interviewing people at every level, and understanding the codebase and team dynamics before proposing any changes. That's how you get recommendations that are both strategically sound and grounded in how your team actually works.

We also bring AI enablement into every CTO engagement. Not as an add-on, but as part of how we improve delivery.

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CTO Hiring Questions

A CTO has the most impact at times when you are facing complex technical challenges that require expert guidance or when you're scaling up and need strategic technological leadership. This is typically during periods of rapid growth, major product development, or when preparing for significant business milestones. A CTO's vision is crucial in aligning your technology strategy with business goals, ensuring you're not just solving current issues but also paving the way for future success.

A Fractional CTO's responsibilities include defining and implementing technology strategy, overseeing technology-related decisions, and ensuring that tech systems and procedures lead to outcomes in line with the company's goals. They bring a blend of technical expertise and business acumen, offering advice on new technologies, managing IT teams, and aligning technology initiatives with business objectives.

Integration is an area where we are proud to excel at Whitesmith. We're able to integrate seamlessly with teams thanks to the ways we learn and learn from the culture, processes, style and goals of every team we work in. Effective communication and a collaborative approach are key to their integration, ensuring they add value without disrupting existing workflows.

Whether to hire a full or part-time/fractional CTO depends on your company's size, stage, and specific needs. Startups or smaller companies often benefit from a fractional CTO, gaining high-level expertise without the cost of a full-time executive. Larger organisations or those undergoing significant transitions might require a full-time CTO for dedicated leadership. We are always happy to have these conversations and help companies find the right option for them.

The cost of a fractional CTO varies based on the engagement scope, the complexity of the tasks, and the duration of the engagement. Unlike a full-time CTO, a fractional CTO provides flexibility, allowing you to control costs by paying for only the services you need. Generally, this option is more cost-effective than hiring a full-time executive, especially for small to mid-sized businesses or short-term projects.

No, not all do. Smaller businesses, early startups and those with existing strong technical leadership might be better suited to investing elsewhere, particularly if the technical needs of the organisation are not complex. Similarly, some will only require a CTO during periods of transition and rapid change, rather than long-term, which is one of the key reasons why the fractional approach has been gaining popularity.

The duration of engagement for a Fractional CTO can vary widely based on the company's needs. Typically, engagements can range from a few months to over a year. The flexibility of this model allows companies to extend or shorten the engagement period as their needs evolve, making it a highly adaptable solution for businesses in various stages of growth or change.