What does a fractional CTO do in the first 90 days?
In the first weeks they run a technical audit covering architecture, accumulated debt, delivery metrics, and team capabilities. From that diagnosis they define the prioritized technical roadmap, set high-impact quick wins, and lay the foundations for engineering practices, security controls, and product metrics.
How much does it cost to hire a fractional CTO?
Cost varies by dedication and scope. A model of 8–12 hours per week can be 5 to 10 times more cost-effective than a full-time senior CTO. With no lengthy search process, benefits overhead, or integration period, return on investment is typically visible within the first quarter.
How is a fractional CTO different from a senior Tech Lead or Engineering Manager?
A Tech Lead or Engineering Manager handles team execution at a tactical level. A fractional CTO operates at the executive level: defines technology vision and strategy, makes long-term architecture decisions, represents technology to investors or the board, and aligns product, engineering, and business under a single direction.
Can a fractional CTO work with an existing internal team?
Yes, this is one of their main focuses. They raise existing team capabilities through technical mentoring, process definition, documented architecture patterns, and quality standards. The goal is a stronger team regardless of whether the fractional CTO continues or not.
Can a fractional CTO support a fundraising round or M&A process?
Yes. They prepare and lead the technical due diligence: document architecture, evaluate debt, justify stack decisions, answer investor questions on scalability and security, and represent the technology vision to the buyer or fund. This preparation is critical to protecting the expected valuation.
When does a fractional CTO NOT make sense?
When the company needs full-time executive presence with daily representation before enterprise clients or regulators; when the volume of technical decisions makes part-time dedication ineffective; or when there is already a senior CTO with enough time and capacity to handle both strategy and execution.
How many hours per week does a fractional C-level usually work?
It depends on stage and complexity. Engagements usually start between 10 and 30 hours per week and are adjusted according to business goals and metrics.
What is the difference between a fractional and an interim role?
A fractional model combines strategy and execution on a part-time basis for a defined period. An interim model usually covers a temporary vacancy with near full-time dedication.
How is impact measured?
With a 90-day roadmap, KPIs agreed from day one, and regular result reviews on revenue, efficiency, risk, or team capabilities.