Best fractional CMOs for ecommerce brands in the US

5 firms offer fractional CMO work for ecommerce brands in the US. First on the list are Authentic, NoGood and Digital Authority Partners. One publishes a monthly fee: $7,000 a month at Digital Authority Partners. The rest quote.

Updated 21 Oct 2026 Listed 5 Order published rule

A fractional CMO owns positioning, the marketing plan and budget, and the agencies and in-house marketers who execute it.

2

NoGood Editor's pick Names Ecommerce

Firm, New York, US. CMO. SaaS, ecommerce, healthcare and 2 more.

6 named clients 70+ people
Fee on request monthly retainer
4

inBeat Names Ecommerce

Firm, Montreal, Canada. CMO. Ecommerce, CPG, healthcare and 3 more.

6 named clients Founded 2018, 51 to 200 people
Fee on request

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