The “right” KPIs to track in After-Sales?

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What are the right KPIs and metrics to track and measure your after-sales performance on? Having driven a complete overhaul of the after-sales organization and strategy recently for a scale-up this was one of the questions I was confronted with. Here a solid framework of post-sales KPIs.

Classical and well-known KPIs are:

  • Net Revenue Retention (NRR) measures the percentage of recurring revenue retained from existing customers over a specific period, calculated annually or quarterly.
    • The formula: NRR = (Starting Revenue + Expansions + Upgrades – Downgrades – Churn) / Starting Revenue × 100.
    • Above 100% indicates your existing customers are growing in value faster than you’re losing revenue, showing strong product-market fit and growth efficiency

  • Gross Revenue Retention (GRR) measures the percentage of recurring revenue retained from existing customers over a specific period, excluding any expansion revenue. It measures your ability to prevent churn and contraction, independent of growth initiatives
    • The formula: GRR = (Starting Revenue – Downgrades – Churn) / Starting Revenue × 100
    • GRR caps at 100% (you can’t retain more than you started with when expansion is excluded). You want above 90% of GRR ideally.

  • Time-to-Value (TTV) measures how long it takes for a new customer to realize meaningful value or achieve their first significant outcome from your product or service.
    • The formula: Is very dependent on the business. It can be time from onboarding start to first successful report generated, first workflow automated, first campaign launched, use of x% of your features, or a core feature etc.
    • This KPI helps reduce churn during the critical initial time of the the relation
    • In a payments service context I turned this into “TTR – Time to Revenue” so the time until the first direct debit run was executed or the first product was sold online using our payment solutions.

  • Churn Rate measures the percentage of customers or revenue lost over a specific period, typically calculated monthly or annually.
    • The formulas:
      • (a) Customer Churn Rate, i.e. the percentage of customers who cancel or don’t renew: (Customers Lost During Period / Customers at Start of Period) × 100
      • (b) Revenue Churn Rate, i.e. the percentage of recurring revenue lost from cancellations and downgrades: (MRR/ARR Lost During Period / MRR/ARR at Start of Period) × 100
    • Churn rate majorly impacts customer health and revenue. Churn is a topic that needs to be looked at at company level, as there are many factors impacting it.
    • There is also voluntary churn (customer actively cancelling) vs. involuntary churn (payment failures, expired cards)

  • Customer Lifetime Value (CLV or LTV) is a metric that estimates the total net revenue or profit a business can expect to generate from a customer over the entire duration of their relationship.
    • The formulas: Simple CLV: Average Revenue Per Customer × Average Customer Lifespan or More Precise CLV: (Average Revenue Per Customer Per Period × Gross Margin %) / Churn Rate
    • CLTV can guide how much you can spend on acquiring a new customer, how much effort you put into retaining a customer, it can help in pricing strategy and investment decisions.

  • Annual Contract Value (ACV) measures the average annualized revenue generated from a single customer contract, excluding one-time fees.
    • The formula: For multi-year contracts ACV = Total Contract Value / Number of Years
    • This metric helps you segment, plan resources, forecast and measure the sales performance of your after-sales team (executed by your CSMs, your renewals managers or your account managers)

  • Annual Recurring Revenue (ARR) is a metric that measures the annualized value of all recurring revenue from active subscriptions at a specific point in time. Respectively MRR measures monthly subscriptions.
    • The formulas: For monthly contracts: ARR = MRR (Monthly Recurring Revenue) × 12, For mixed contracts: ARR = Sum of all annualized contract values currently active
    • While this is a company metric, it is crucial for after-sales, customer success and account management to forecast and deliver to ARR targets for existing clients.

  • Ticket Response Time is a metric that measures how long it takes for a customer support team to provide an initial response to a customer’s support request or ticket.
    • The formula: Elapsed time from ticket creation/submission to when a support team member sends the first reply. How long this is depends on business and can be linked to Service Level Agreements (SLAs) with clients.
    • Response time influences customer satisfaction. Fast responses improve CSAT scores, even if the actual resolution takes longer. It buys you time.
    • Benchmarks: For Email less then 1 hour is considered excellent, for live chat less than one minute. SLAs for enterprise often say that critical issues must have a reply within 15-30 minutes.

  • Ticket Resolution Time is a metric that measures how long it takes to fully resolve a customer’s support request or ticket from the moment it’s opened until it’s closed.
    • The formula: The time elapsed between ticket creation/submission and when the ticket is marked as resolved/closed with the issue fully addressed.
    • This metric is critical to customer satisfaction. Fast resolution directly correlates to higher CSAT and reduced frustration. Internally this shows the efficiency of your support organization and cross-departal collaboration. Patterns in resolution time can reveal areas needing product improvement.
    • This KPI is often “forgotten”, not included in SLAs and not measured in smaller companies yet it is one of the most important service KPIS in my experience.

  • Bot Resolution Rate measures the percentage of conversations that are fully resolved by the AI chatbot without requiring human agent intervention or escalation.
    • The formula: Bot Resolution Rate = (Conversations Resolved by Bot / Total Conversations Handled by Bot) × 100
    • The definition of “resolved” depends on the the company. It can be “customer didn’t request a human agent”, “customer expressed satisfaction or confirmed resolution” or “no follow-up ticket within 24 hours”. You can also correlate bot perfomance with the number of tickets arriving at human agents.
    • There are related metrics like Containment Rate, Escalation Rate, First Contact Resolution, Both Accuracy and Bot Engagement Rate

  • CSAT (Customer Satisfaction Score) measures how satisfied customers are with a specific interaction, product, service, or experience with your company. It is typically measured by asking customer a simple question: How satisfied were you with (Experience).
    • The formula: Customers respond using a rating scale, most commonly a 5-point scale: Very Unsatisfied, Unsatisfied, Neutral, Satisfied, Very Satisfied, in numbers or with emojis.
    • CSAT is often used after support interactions. But can also be done periodically at a larger scale. It always measure satisfaction with specific interactions. It is transactional and no indicator to measure the state of the relation, for with NPS is used.

  • Net Promoter Score (NPS) measures customer loyalty and the likelihood that customers will recommend your company, product, or service to others.
    • The formula: NPS is measured by asking a single queston: On a scale of 0-10 how likely are you to recommend our company/product to a friend or colleague? Based on their rating customers are classified in three groups, Promoters (9-10), Passives (7-8), Detractors (0-6). You then deduct the detractors from the promoters to come to the NPS.
    • NPS effectively measures loyalty, helps predict growth opportunity and a high NPS will likely drive you referrals. World-class NPS is above 50, NPS is excellent between 30 and 50.
    • My recommendation is to do an NPS once a year, to not overload your customers and to combine the survey with a few CSAT questions, checking in on satisfaction with particular teams and features/services.

There are more metrics, but this is a comprehensive set that worked for most businesses.


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