The interview goes both ways
Hiring a fractional CTO is different from hiring a full-time employee. You’re not just checking for technical skill, you’re checking for fit with how your business actually operates, and you’re trusting someone with a fair amount of influence over decisions that are expensive to get wrong. A short list of specific questions, asked before you sign anything, goes a long way toward making sure the fit is real.
Ask about their client mix, not just their resume
A resume tells you what someone has done. It doesn’t tell you whether they’re used to working with businesses your size. Someone whose background is entirely large enterprises may bring habits and assumptions that don’t translate well to a fifteen-person company with a tight budget. Ask how many clients they currently work with, what size those businesses are, and whether any are in your industry.
Ask how they handle a disagreement
At some point, a fractional CTO is going to recommend something you don’t want to do, or push back on a purchase you were excited about. Ask how that’s gone in past engagements. Someone who can only describe agreement and smooth sailing hasn’t been pushed yet, or isn’t being straight with you about it.
Ask exactly what’s included in the engagement
Fractional CTO arrangements vary a lot in scope. Some are purely advisory, strategy calls and reviews. Others include hands-on project management, vendor negotiation, or hiring support. Get a specific written list of what’s included in your monthly hours and what would be billed separately, so you’re not surprised later.
| Question | What it tells you |
|---|---|
| What size businesses do you usually work with? | Whether their experience matches your scale |
| Can I talk to a current or former client? | How they actually perform, not just how they pitch |
| What’s not included in the monthly engagement? | Avoids billing surprises later |
| How do you handle a disagreement with a client? | Whether they’ll tell you the truth, not just what you want to hear |
| What does a typical first thirty days look like? | Whether they have a real process or are improvising |
Ask for a reference, and actually call it
A reference call takes twenty minutes and is one of the highest-value steps in the process, yet it’s the one most businesses skip. Ask a past or current client what the engagement has actually been like day to day, not just whether they’d recommend the person. Specific questions get more useful answers than general ones.
Pay attention to how they explain things
A good fractional CTO should be able to explain a technical decision in plain language, without talking down to you or burying the answer in jargon. If early conversations already feel hard to follow, that’s worth weighing seriously, since it’s a pattern that tends to continue once the engagement starts.
Trust the fit as much as the credentials
Credentials and experience matter, but so does whether you’d feel comfortable calling this person with a half-formed question or an uncomfortable update. This is a working relationship you’ll likely have for a year or more. A strong resume attached to a poor fit rarely works out as well as a solid resume attached to someone you actually trust.
Ready to have this conversation for your own business? Get in touch and we’ll walk you through what a fit conversation with us actually looks like.