Fractional CTO Services.
Strategic Technology Leadership
Strategic technology leadership without the full-time commitment. Get experienced CTO guidance scaled to your needs and stage.
Operators, not advisors. We're battle-hardened technology leaders who've scaled engineering organisations, made high-stakes architecture decisions, and learned from both successes and failures.
Who benefits from Fractional CTO Services
Between-CTO Gap
Need experienced technology leadership while you search for your next full-time CTO.
First-Time Founders
Non-technical founders who need strategic technology guidance without a full-time hire.
Preparing for Fundraise
Getting your technology story and team ready for investor scrutiny.
Rapid Growth
Scaling faster than your current leadership capacity can handle.
Cost-Conscious Startups
Need CTO-level thinking but can't justify or afford a full-time executive.
Engagement Models
Strategic Oversight
Light-touch guidance for companies with capable technical teams. Monthly strategy sessions and on-call advisory.
Active Leadership
Regular involvement in technical decisions, team management, and stakeholder communication. 1-2 days per week.
Intensive Support
Deep engagement during critical periods — fundraising, scaling challenges, or major technical decisions. 3-4 days per week.
Crisis Response
Immediate, focused support during urgent situations. Full availability until the crisis is resolved.
Book a call today
Our Delivery Philosophy
Embedded, Not External
We work as part of your team, not as outside consultants dropping in with recommendations.
Honest, Not Political
We tell you what you need to hear, even when it's uncomfortable.
Pragmatic, Not Ideological
We recommend what works for your context, not what's theoretically perfect.
Independence, Not Dependency
Our goal is to build your capability, not create ongoing reliance on us.
Why choose Rational Partners
Battle-Hardened Operators
Every fractional CTO has built and scaled technology organisations. We've made the mistakes so you don't have to.
Collective Strength
Access to a network of specialists across security, data, infrastructure, and more when you need them.
Investment-Aligned Perspective
We understand what investors look for and how to position technology as a value driver.
Let's explore how we can support your technology leadership needs.