The Sales Process & Customer Service

Good customer service can be a powerful competitive advantage. This lesson covers the sales process, the importance of customer service, and how businesses use customer feedback to improve.

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The Sales Process

The sales process is the series of steps a business follows to convert a potential customer into a paying customer. While the specifics vary by industry, the general process follows a common pattern:

graph LR
    A[Awareness] --> B[Interest]
    B --> C[Desire]
    C --> D[Action / Purchase]
    D --> E[After-sales service]
    E --> F[Repeat custom / Loyalty]

Stage	Description
Awareness	The customer becomes aware of the product through marketing or word of mouth
Interest	The customer shows interest and seeks more information
Desire	The customer wants the product and considers purchasing
Action	The customer makes the purchase
After-sales service	Support and service after the purchase (delivery, returns, complaints handling)
Repeat custom	Satisfied customers return and may recommend the business to others

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What Is Customer Service?

Customer service is the assistance and advice a business provides to its customers before, during, and after a purchase. Excellent customer service builds loyalty, generates repeat business, and creates positive word-of-mouth.

Methods of Providing Customer Service

Method	Description	Example
Product knowledge	Staff who understand the product can advise customers effectively	Apple Store employees trained on every product
After-sales service	Support after purchase including delivery, installation, and repairs	John Lewis offering free delivery and installation
Customer engagement	Interacting with customers through social media, email, and events	Nike responding to customers on Twitter/X
Complaints handling	Dealing with customer complaints quickly and fairly	Amazon's easy returns and refund policy
Personalisation	Tailoring the experience to individual customer preferences	Netflix recommending shows based on viewing history

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Why Is Good Customer Service Important?

1. Customer loyalty — satisfied customers return and buy again.
2. Repeat business — it is cheaper to retain existing customers than to attract new ones.
3. Positive word-of-mouth — happy customers recommend the business to friends and family.
4. Competitive advantage — excellent service differentiates the business from competitors.
5. Higher revenue — loyal customers spend more over time.
6. Brand reputation — good service builds a strong, trusted brand.

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The Impact of Poor Customer Service

Poor customer service can have devastating consequences:

• Negative reviews — unhappy customers share their experiences online (e.g. Trustpilot, Google reviews).
• Lost customers — dissatisfied customers switch to competitors.
• Damage to reputation — negative publicity can spread quickly, especially on social media.
• Reduced revenue — fewer customers means lower sales and profit.
• Increased costs — handling complaints and returns is expensive.

Example: United Airlines

In 2017, a passenger was forcibly removed from an overbooked United Airlines flight. Video of the incident went viral on social media, causing a public relations crisis. United Airlines lost an estimated $1 billion in market value within days, demonstrating the financial impact of poor customer service.

Exam Tip: Customer service questions often ask you to evaluate its importance. Always link good or poor customer service to specific business outcomes — revenue, reputation, customer loyalty, and competitive advantage.

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Customer Feedback

Businesses use customer feedback to identify strengths and weaknesses and improve their products and services.

Feedback Method	Description	Advantage
Surveys	Questionnaires sent to customers after a purchase or experience	Structured data; can reach many customers
Online reviews	Customer reviews on websites like Trustpilot, Google, or Amazon	Honest feedback; visible to potential customers
Social media	Comments, mentions, and messages on social media platforms	Real-time; direct engagement
Mystery shoppers	Trained individuals posing as customers to evaluate the experience	Objective assessment of the customer experience
Complaints data	Tracking and analysing customer complaints	Identifies recurring problems
Net Promoter Score (NPS)	A single-question survey: "How likely are you to recommend us?"	Simple, widely used measure of customer satisfaction

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Summary

• The sales process moves from awareness through interest, desire, and action to after-sales service and repeat custom.
• Customer service is the support provided before, during, and after a purchase.
• Good customer service builds loyalty, drives repeat business, and creates positive word-of-mouth.
• Poor customer service leads to lost customers, negative reviews, and reputational damage.
• Businesses use feedback methods (surveys, reviews, social media) to continuously improve customer service.

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UK Case Study: John Lewis and the "Never Knowingly Undersold" Heritage

For 97 years, from 1925 until its retirement in 2022, the John Lewis Partnership's promise "Never Knowingly Undersold" was one of the most famous customer service pledges in British retail. If a customer found the same product cheaper elsewhere at a high-street rival, John Lewis would refund the difference. Combined with two-year guarantees, free delivery on many items, in-home installation, and generous returns, it built a reputation for trust that was central to the John Lewis brand.

How John Lewis embeds customer service:

1. Partner ownership — every employee is a co-owner ("Partner") with a share in profits. This aligns their financial interest with long-term customer satisfaction, not just today's sale.

2. Deep product knowledge — Partners on the technology, home, and fashion floors receive detailed training. Customers can ask about the differences between washing-machine models and get substantive answers, not a sales pitch.

3. After-sales service — John Lewis installs TVs, plumbs in dishwashers, and offers two-year guarantees on many electricals (beyond the one-year statutory minimum). Returns are famously straightforward.