What is a fractional CTO (CTO as a service)?

A fractional CTO gives you senior technical leadership part-time. Here's what they do and when it makes sense for your startup.

·5 min read
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A fractional CTO is a senior technology leader who works with you part-time, sometimes called CTO as a service. You get the judgment of a chief technology officer without the full-time salary and equity.

What a fractional CTO does

  • Sets technical direction and system architecture
  • Reviews or leads hiring of engineers
  • Runs technical due diligence for fundraising or acquisitions
  • Makes the cost and build-vs-buy decisions that protect your runway

When it makes sense

  • You're a non-technical founder shipping a first product
  • You have developers but nobody owning the big technical decisions
  • You need CTO-level credibility for investors, part-time
  • A full-time CTO is too expensive or too early

Not sure whether you need a fractional CTO, a full-time hire, or an agency? We break down the trade-offs in our comparison guide, and you can talk it through with us on a free call.

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