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Fractional CTO vs. full-time CTO
Do you need a CTO yet — or senior technical judgment a few days a month?
A full-time CTO is a major, hard-to-reverse commitment. Before a startup has the scale to keep one busy, a fractional CTO often delivers the judgment that matters without the cost and risk of an early permanent hire.
| Fractional CTO | Full-time CTO | |
|---|---|---|
| Cost | Days-per-month retainer | Senior salary + significant equity |
| Commitment | Flexible, month-to-month | Permanent and hard to reverse |
| Best stage | Pre–Series A, validating, small team | Scaling org with a team to lead |
| Coverage | Architecture, hiring, vendor calls, strategy | Full-time leadership + people management |
| Risk if too early | Low | High — expensive misfit, slow to unwind |
Fractional wins when
- You're pre-PMF and need senior technical judgment in the room
- You're choosing a stack, vendors, or making early architecture calls
- You're building your first engineers and need someone to set the bar
- You can't yet keep a full-time CTO meaningfully busy
Full-time wins when
- You have a large engineering org that needs daily leadership
- People management and team-building are now the bottleneck
- Your fundraising narrative needs a named, full-time technical founder/leader
Our take
Hire a full-time CTO when you have an engineering org to lead — not before. Until then, a fractional CTO gives you the architecture, hiring, and vendor judgment that prevents expensive mistakes, at a fraction of the cost. Reveronix provides fractional CTO leadership that scales down cleanly the day you're ready to hire your own.
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