CTO as a Service, or fractional CTO, means entrusting your company’s technical leadership to a senior expert part time or for a defined mission. It is useful when you have important technical decisions to make (architecture, hiring, vendor selection, security) without yet needing, or being able to afford, a full-time technical director.
What a fractional CTO does
- Sets the technical strategy aligned with business goals.
- Chooses the architecture and technologies of the product or information system.
- Leads the technical team, internal or external, and sets best practices.
- Hires the first developers and assesses candidates.
- Manages vendors and controls deliverable quality.
- Prepares fundraising: technical roadmap, answers to investors’ technical questions.
- Oversees security and compliance.
When it is the right solution
- Early-stage startup: a non-technical founder who needs to build a product.
- SME in digital transformation: structuring projects without in-house technical leadership.
- Company between two CTOs: ensuring continuity during a hire.
- One-off critical project: redesign, migration, AI integration.
- Preparing a fundraise or a technical audit.
Engagement models
- Recurring part time: a few days per month, with regular meetings with management.
- Mission: a precise goal and a defined duration, such as an audit or product scoping.
- Transition: a stronger presence during a key period, then a handover to a hired CTO.
What drives the cost
Cost depends on time committed each month, the expert’s seniority, the project’s technical complexity and the expected level of involvement (advice only or hands-on team leadership). In every case it remains well below the full cost of a senior full-time technical director, while giving access to experience gained across many projects.
How to choose your fractional CTO
Check experience on comparable projects, the ability to explain technical topics to non-specialists, independence from the tools they recommend and the quality of their documentation. A good fractional CTO should make the company more autonomous, not more dependent.
CTO as a Service at STEPS
STEPS offers CTO as a Service backed by a team able to design, build and maintain your platforms. To discuss your situation, book a scoping session.
Frequently asked questions
It is outsourced technical leadership: a senior expert who acts as CTO part time or for a defined mission, without a full-time hire.
When launching a product without in-house technical skills, during a digital transformation, between two CTOs, for a critical project or before a fundraise.
Cost depends on time committed, seniority and project complexity. It remains well below the full cost of a senior full-time CTO.
Yes, it is one of their frequent missions: defining profiles, assessing candidates and onboarding the first developers.