The Customer Success Outsourcing Registry

The companies listed below are offering Customer Success outsourcing and/or Fractional Customer Success Leadership services. For a list of specific outsourcing services together with the names of the companies who provide them, please see The Customer Success Outsourcing Catalog page. Companies marked with an asterisk are members of The Customer Success Advisors program.

A listing on this page does not in any way constitute an endorsement of any company by The Customer Success Association.

Updated: 6/5/2025

Interim / Fractional Customer Success Executive Leadership [ Case Study ]

Looking for experienced Customer Success Executive leaderhip on a fractional or interim basis? Click here for a list of the firms that provide such services..

* The Success League * [ Case Study ]

The Success League is a global consulting and training firm focused on developing customer success programs that drive revenue. Since 2015, we have helped hundreds of companies improve their customer experience, and thousands of CS professionals build their careers. One of our team of experienced customer success leaders can step in as a fractional leader if you:

- - Need to Fill a Leadership Gap
  - Have a Leader Who Needs Help
  - Want to Structure Your CS Program Pre-Hire

* Snowise Technologies *

Who We Are: Snowise Technologies is a boutique customer success firm founded by Stephen Wise, a veteran CS leader with experience at GitHub, Chef Software, and early-stage DevOps startups. We specialize in helping growth-stage companies build and scale modern Customer Success motions—without hiring a full-time headcount.

What We Offer: Our fractional CS leadership services give your clients:

✅ A digital-first post-sales strategy tailored to their product and customers
✅ Executive-level guidance on onboarding, retention, and account growth
✅ Rapid playbook deployment, tooling setup, and health scoring frameworks
✅ Human-touch CS models that don’t require a team of 10 to run

Ideal For:

RevOps and CX consultants needing a trusted post-sale expert
VC firms and accelerators supporting early-stage portfolios
Fractional CFO/CTO partners who need a CS complement
SaaS and DevTools companies scaling from founder-led onboarding