Comparison Guide
Fractional CTO vs Consultant
Both provide technical expertise. But the engagement model is completely different. Here is how to decide which you need.
Quick Comparison
| Fractional CTO | Consultant | |
|---|---|---|
| Engagement | Ongoing, embedded | Project-based, external |
| Ownership | Owns outcomes | Delivers recommendations |
| Team Integration | Part of your team | Works alongside your team |
| Duration | Months to years | Weeks to months |
| Implementation | Leads implementation | Advises on implementation |
| Best For | Ongoing leadership gap | Specific problem to solve |
What a Fractional CTO Does
A fractional CTO is a part-time executive who becomes embedded in your company. They join your Slack, attend standups, run 1:1s with engineers, and own technical outcomes. The "fractional" part means they work 1-3 days per week instead of full-time.
What a Consultant Does
A consultant is brought in to solve a specific problem. They analyse, recommend, and often help implement - but they do not own ongoing outcomes. When the project ends, they move on.
When to Choose Each
Choose a Fractional CTO when:
- ✓ You need ongoing technical leadership
- ✓ Your engineering team needs management
- ✓ You want someone accountable for outcomes
- ✓ You are building a technical organisation
- ✓ You need investor-facing technical credibility
Choose a Consultant when:
- ✓ You have a specific, bounded problem
- ✓ You already have technical leadership
- ✓ You need a second opinion or audit
- ✓ You can implement recommendations yourself
- ✓ You need niche expertise for a project
The Key Difference: Ownership
The fundamental difference is ownership. A consultant gives you a recommendation and leaves. A fractional CTO owns the outcome.
A consultant might tell you "You should replatform to microservices." A fractional CTO would say "We are going to replatform to microservices. Here is the plan. I will lead the team through it and make sure it ships."
This is not better or worse - it depends what you need. If you have strong internal leadership and just need expert input, a consultant is perfect. If you have a leadership gap and need someone to fill it, you need a fractional CTO.
Not Sure Which You Need?
Book a free call. We will figure out together whether a fractional CTO or a different model is right for your situation.
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