Chief Outsiders vs Aventi Group
Side-by-side from the Top 11 ranking of Chief Outsiders vs Authentic Brand vs Kalungi: 11 Best Fractional CMOs 2026. Last verified May 31, 2026.
The short answer
Chief Outsiders ranks higher on Top 11 (#1 vs #4) for Founders needing fractional marketing leadership. The top choice for proven, enterprise-level marketing leadership due to its deep bench of vetted Fortune 500 CMOs.
At a glance
| Chief Outsiders | Aventi Group | |
|---|---|---|
| Top 11 rank | #1 / Chief Outsiders vs Authentic Brand vs Kalungi: 11 Best Fractional CMOs 2026 | #4 / Chief Outsiders vs Authentic Brand vs Kalungi: 11 Best Fractional CMOs 2026 |
| Score (out of 9.4) | 9.3 | 8.6 |
| Best for | Enterprise-grade talent for mid-market | B2B tech product marketing experts |
| Pricing | $$$$ ($10,000 to $25,000+/mo) | $$$$ ($10,000+/mo) |
| HQ | Houston, USA | San Francisco, USA |
| Founded | 2009 | 2008 |
Chief Outsiders
The top choice for proven, enterprise-level marketing leadership due to its deep bench of vetted Fortune 500 CMOs.
www.chiefoutsiders.com/See full entry in Chief Outsiders vs Authentic Brand vs Kalungi: 11 Best Fractional CMOs 2026
Aventi Group
A top choice for B2B tech firms needing expert product marketing and go-to-market strategy.
www.aventigroup.com/See full entry in Chief Outsiders vs Authentic Brand vs Kalungi: 11 Best Fractional CMOs 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.