CTO as a Service in Spain: when to hire a fractional CTO instead of a full-time one

A full-time CTO in Spain with enterprise software architecture experience costs €80,000-140,000 per year. For companies with specific technology projects or in a scaling phase, CTO as a Service offers the same strategic capacity at a fraction of the cost.

• •CTO as a Service makes more sense than hiring a full-time CTO when: the main technology project lasts less than 18 months, you need strategic technical guidance but not daily supervision, or when you want a CTO with experience in your specific vertical that would be impossible to hire full-time.
• •Typical responsibilities of a fractional CTO at a Spanish company include: technical architecture decisions and stack selection, development vendor supervision and deliverable validation, internal technical team management, and technology roadmap definition aligned with business objectives.
• •The most common mistake when hiring CTO as a Service is confusing it with IT strategic consulting: a fractional CTO must have real authority over technical decisions, access to systems and teams, and responsibility for technical results — not just give recommendations.

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