Customer Success

The ability to proactively guide customers toward achieving their desired outcomes through your product, driving sustained value realization and relationship 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: Apr 18, 2026 · v3

Levels

If you've checked off most of this list, you are beginning to recognize that Customer Success differs from Customer Support. You can identify the major stages of the customer lifecycle and perform basic onboarding assistance and inquiry responses. Under guidance from senior team members, you start engaging in foundational customer interactions.

Can list the 5 stages of the customer lifecycle (acquisition, onboarding, activation, renewal, expansion)
Can explain at least 3 differences between Customer Success and Customer Support
Can complete basic setup for new customers by following an onboarding checklist
Can search the internal knowledge base to provide initial responses to customer inquiries within 24 hours
Can record and update customer interaction history in a CRM tool
Can identify the current stage (onboarding, active, renewal pending, etc.) of each customer in assigned portfolio

What Comes Next

If you've checked off most of this list, you're ready for the CS Practitioner stage, monitoring customer health through health scores and analyzing product adoption data. Kolb(1984)'s Experiential Learning theory suggests reviewing your onboarding and support interactions and reflecting on which approaches drove the strongest customer activation.

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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Customer Success

Levels

Level 1#CustomerLifecycle#OnboardingBasics#SupportTicketCan understand the concept of customer success and learn the basic stages of the customer lifecycle and foundational support tasks.

Level 2#HealthScore#ProductAdoption#CustomerSegmentationCan read health scores and product usage data, and perform basic proactive management across customer segments.

Level 3#ChurnPrevention#QBR#RenewalManagementCan independently manage renewals and churn prevention, and lead quarterly business reviews.

Level 4#ExpansionRevenue#NRR#ExecutiveSponsorCan generate expansion revenue, manage net revenue retention, and build strategic partnerships with executive stakeholders.

Level 5#CSOperations#PlaybookDesign#HealthScoreModelCan design CS operational frameworks and playbooks, coach the team, and lead strategic cross-functional collaboration.

Level 6#CSMaturityModel#RevenueArchitecture#GrossRetentionCan establish organization-wide CS strategy, design revenue architecture, and set industry benchmarks.

Level 7#CSMethodology#CustomerEconomy#CCOCan pioneer new Customer Success methodologies, develop next-generation leaders, and advance the profession itself.

References

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