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Guides/Business & Management
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Customer Success

Proactively guiding customers to the outcomes they adopted your product for, from onboarding to expansion.

Customer Success is the discipline of systematically helping customers achieve their desired business outcomes after adopting a product or service. It spans the entire customer lifecycle — from onboarding to health score management, churn prevention, and expansion revenue generation. The core focus is building data-driven strategic partnerships that maximize customer value beyond reactive support.

💼Business & Management
7 Levels
Published: Mar 13, 2026 · Updated: Jul 26, 2026 · v3

References

SuccessCOACHINGCompetency Framework

Provides the core framework with 5 competency domains x 3 proficiency tiers (Contributor/Senior IC/Leader) for designing 7-level checklist structure

SuccessCOACHING Customer Success Competency Model
TSIA (Technology & Services Industry Association)Proficiency Scale

Forming→Storming→Norming→Performing 4-phase organizational maturity model used to distinguish L1-L3 (individual) and L4-L7 (organizational) level boundaries

TSIA Customer Success Maturity Model — 4 Phases
SuccessCOACHING (CPD-accredited training provider)Certification

CCSM L1 (foundational) to L5 (leadership) 5-tier certification curriculum directly maps to competency definitions across L2-L6

SuccessCOACHING CCSM Certification (Levels 1-5)
McKinsey & Companyacademic_research

98 B2B SaaS company survey showing 15pp NRR gap for top performers, 120%+ NRR companies at 21x vs 9x EV multiples — quantitative evidence for L5-L7 performance metrics

McKinsey — The Net Revenue Retention Advantage in B2B Tech
Gainsight (leading CS platform company)academic_research

Annual benchmark survey of 250+ companies covering CS org structure, NRR/NPS KPIs, digital CS adoption rates — provides industry context and benchmark standards for L4-L6

Gainsight Customer Success Index 2024

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