“Should I hire a full-time CTO or use a fractional one?” The answer depends on factors most comparison articles ignore.
When Full-Time is Right
Technology is your primary competitive differentiator requiring constant senior strategic attention. You have a large engineering team (20+ engineers) needing dedicated leadership. You have complex regulatory obligations requiring a named technical responsible officer. You are Series B or beyond with revenue justifying the cost. Your technology challenges genuinely require 40+ hours per week of senior work. If all of these are true, hire full-time.
When Fractional is Right
Pre-Series A where $350,000+ in CTO salary would compromise runway. Your CTO needs are strategic rather than operational day-to-day. You’ve had a CTO departure and need a bridge. You’re a founder who needs guidance rather than a full team leader. You’re in a regulated industry needing specific expertise for a defined period. The majority of Australian SMEs and early-stage startups fall into the fractional category.
The Hidden Costs of Full-Time
$350,000 salary is not the full cost. Add 11.5% superannuation, annual leave loading, potential equity (0.5-2%), recruitment fees (20-25% of first year = $70,000-$90,000), and 3-6 months to full productivity. Over three years, a full-time CTO can cost $1.5M-$1.9M all-in. A fractional CTO at Scale tier ($11,000/month) over three years: $396,000 total, no equity, no recruitment risk, cancel or upgrade any time.
The Quality Argument
A fractional CTO with 27 years of experience across multiple industries often provides better strategic judgment than a full-time CTO who has grown inside a single company. Fractional CTOs have seen more problems across more businesses and know which solutions actually work. Breadth of pattern recognition is the underrated advantage of the fractional model.
The Hybrid Model
Many of our most successful engagements end with a hybrid: fractional CTO providing strategic leadership while the client promotes an internal engineer to VP Engineering. Fractional handles board reporting, investor relations, technology strategy, and key vendor decisions. VP Engineering handles day-to-day team leadership. This model captures the best of both worlds and is increasingly common in well-run scale-ups.
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