Best fractional CTOs for SaaS companies in the US

6 firms and practitioners offer fractional CTO work for SaaS companies in the US. First on the list are TechCXO, InterimExecs and MetaCTO. None of them publishes a fee, so the first call sets the price.

Updated 21 Oct 2026 Listed 6 Order published rule

A fractional CTO owns technical decisions: architecture, build versus buy, the engineering team or dev shop, security basics and the technical side of due diligence.

TechCXO Editor's pick Names SaaS

Firm, Atlanta, US. CFO, CMO, COO, CRO, CTO, CPO, CHRO, CAIO, CISO. SaaS, CPG, healthcare and 3 more.

6 named clients Founded 2003, 245+ people

Fee on request

InterimExecs Names SaaS

Marketplace, Chicago, US. CFO, CMO, COO, CRO, CTO. SaaS, CPG, healthcare and 3 more.

SaaS CTO CPG Healthcare CTO VC-backed PE-backed

Serves Global

Fee on request

MetaCTO Names SaaS

Firm, US. CTO. SaaS. Pre-revenue to $5M.

SaaS CTO Bootstrapped VC-backed

4 named clients Serves US

Fee on request monthly retainer, no minimum

Metamindz Names SaaS

Firm, London, UK. CTO. SaaS, ecommerce, healthcare and fintech.

SaaS CTO Ecommerce CTO Healthcare CTO Bootstrapped VC-backed

5 named clients 11 to 50 people

Fee on request monthly retainer

Scalable Path Names SaaS

Marketplace, San Francisco, US. CTO. SaaS and healthcare.

SaaS CTO Healthcare CTO

3 named clients Serves US

Fee on request day or hourly rate

Sonatafy Technology Names SaaS

Firm, Scottsdale, US. CTO. SaaS, healthcare, manufacturing and fintech. $20M to over $100M.

SaaS CTO Healthcare CTO Manufacturing CTO VC-backed PE-backed

6 named clients Serves US

Fee on request no minimum

How this list is built. Every firm and practitioner here offers fractional CTO work on its own site, names SaaS companies among its clients and serves the US. Order is editor's pick, then listings that name the industry, then a published fee, then name. Nobody pays to appear or to move up. Full methodology.