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Customer service can be a marketing strategy when the experience after—and before—a sale delivers on the brand promise. Helpful, fair support can make customers more willing to buy again or recommend a business; complaints can also reveal problems worth fixing. Neither outcome is automatic, so the work is to design service around customer needs and measure what changes.
How customer service fits into marketing
Marketing sets expectations; customer service helps customers experience whether those expectations are real. That makes service part of the brand experience and customer relationship, not only a post-sale expense. NIST’s Baldrige guidance connects customer engagement with support, complaint handling, fair treatment, satisfaction, and loyalty. It describes support’s goal as making an organization easy to do business with and responsive to customer expectations (NIST Baldrige Criteria Commentary).
Service can support retention, repeat purchasing, recommendations, and advocacy, but survey responses about intentions or past recommendations do not prove that service alone caused a purchase or referral. The practical aim is to make each interaction reinforce the promise customers were given, while using feedback to improve the experience.
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How to use customer service as a marketing strategy
1. Turn the brand promise into service standards
Describe what customers should experience before, during, and after purchase. Make the promise concrete enough to guide training and evaluation—for example, clear explanations, fair treatment, or a straightforward path to help—without assuming every customer or situation needs the same response. NIST’s guidance emphasizes understanding customers and using that knowledge to shape support and engagement.
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2. Design the journey around customer effort
Map where customers need information or help across the buying and ownership journey. Review channels as connected parts of one experience: customers should not have to start over or repeat details unnecessarily when they move between them. In JD Power’s 2023 U.S. Cross-Industry Customer Service Experience Study, first-contact resolution was associated with satisfaction scores more than 200 points higher, and not having to repeat information was associated with scores more than 150 points higher. These are associations within the study, not causal effects or universal targets. It surveyed 21,872 U.S. residents who had used customer service in the prior three months; fieldwork ran from May through July 2023 (JD Power study).
3. Equip employees to deliver the experience
Set service standards, train staff, explain how service supports the business, and invite employees to flag recurring customer problems. A script cannot substitute for judgment, especially when a customer’s situation falls outside the standard case. Business Queensland recommends valuing service, training employees, including service expectations in staff and customer communications, and reviewing the program as needs change (Business Queensland guidance). A 2019 Annual Reviews synthesis of customer-service research examines employee-customer interactions, emotional labor, emotional contagion, customer mistreatment, and service behavior—evidence that employee conditions and conduct are part of the experience, not separate from it (Annual Reviews synthesis).
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4. Treat complaints as recovery and product feedback
In a complaint interaction, listen, acknowledge the concern, clarify what happened, and offer a workable resolution. Record the issue in a form that allows the business to identify repeated causes, not merely close an individual case. NIST recommends aggregating and analyzing complaints, determining root causes, and using findings to prioritize product or service improvements and restore confidence. The Agency for Healthcare Research and Quality likewise advises looking for failure points, anticipating negative situations, and tracking trends rather than treating complaints as unrelated incidents (AHRQ service-recovery guidance). Its guidance is healthcare-focused, so adapt its process-improvement principle to the context of your business.
5. Close the feedback loop
Ask for feedback at useful points after a purchase or service interaction, and monitor relevant review and social channels. When feedback leads to a change, tell customers or employees what changed where appropriate; otherwise, feedback can feel like a request with no consequence. Business Queensland recommends following up on positive and negative feedback and monitoring customer communication channels. NIST also recognizes customer-initiated social feedback as a source for immediate recovery, improvement, innovation, and engagement.
What the available statistics can—and cannot—tell you
Salesforce’s customer-expectations page reports that 80% of customers say the experience a company provides is as important as its products and services, 88% say good customer service makes them more likely to purchase again, and 75% say they have recommended a company based on excellent service (Salesforce, “What Are Customer Expectations?”). The retrieved page does not clearly specify the survey year or methodology for these figures. The 88% figure measures stated likelihood, not observed repeat buying; the 75% figure is a reported survey response. Treat these as attributed survey findings, not current universal estimates or guaranteed effects.
JD Power’s 2023 study offers a different kind of evidence: associations between aspects of service and satisfaction among its surveyed U.S. customers. Its findings can help identify friction worth investigating, but they do not establish that a particular tactic will produce the same score difference for every business or customer group.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to measure whether service is helping marketing
Use measures that connect customer outcomes with the operating experience behind them. Choose a small set you can track consistently, compare over time, and—where useful—segment by channel or customer group.
| What to assess | Possible measures | What it helps you examine |
|---|---|---|
| Customer and marketing outcomes | Satisfaction, retention, repeat purchasing, referrals, recommendations, and advocacy | Whether the relationship and customer response are changing alongside service improvements |
| Service process | Complaint frequency and themes, resolution time, repeat contacts, and first-contact resolution | Where customers encounter friction and whether issues are being resolved without avoidable effort |
Do not infer that service caused a change in retention or referrals from a simple before-and-after comparison alone: other factors may also affect those results. APQC maintains cross-industry customer-service KPI benchmark collections based on its benchmarking data, but the page does not expose specific benchmark values; it is not a basis for inventing a target (APQC Customer Service Key Benchmarks).
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Choose channels for the job, not the trend
No single service channel is best for every customer or issue. When reviewing a channel or channel mix, assess:
- Whether it resolves the issue, including first-contact resolution.
- How much effort it asks of customers, including repeated explanations.
- How accessible and timely it is for the customers who need it.
- Whether it fits the customer segment and stage of the relationship.
- Whether treatment is fair and consistent across channels.
- Whether it captures useful feedback and makes root-cause improvement possible.
Use observed customer needs and friction to decide where to invest, rather than assuming a new channel by itself makes service more customer-centered.
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