How Costco's Membership Business Model Creates Customer Loyalty and Growth
Costco has built one of retail's most unusual business models.
Instead of trying to make shopping completely free for customers, Costco asks them to pay for the privilege of shopping.
That annual membership fee helps support a retail model built around low prices, limited product selection, high sales volumes, rapid inventory turnover, and relatively low merchandise margins. In return, members get access to Costco's warehouses, private-label products, services, and a wide range of discounted goods.
The model creates an interesting cycle:
Membership → lower operating costs and merchandise prices → strong value → frequent shopping → higher sales → stronger membership economics → more loyalty.
The numbers show how powerful that cycle has become. At the end of fiscal 2025, Costco had 81 million paid members and 145.2 million total cardholders. Its U.S. and Canada renewal rate was 92.3%, while worldwide renewal was 89.8%.
In fiscal 2025, Costco generated $269.9 billion in net sales and $5.32 billion in membership-fee revenue.
Costco's story is therefore about much more than warehouse retail. It is a case study in how a company can use membership, pricing, limited choice, operational efficiency, and customer trust to build a highly loyal customer base.
Company Background: How Costco Developed Its Membership Model
Costco's roots go back to the warehouse-club concept developed in the 1970s.
Price Club, founded by Sol Price, opened its first location in San Diego in 1976. The company pioneered a membership warehouse concept focused on selling merchandise at low prices to members.
In 1983, Costco Wholesale opened its first warehouse in Seattle, Washington.
The two businesses eventually came together. Price Club and Costco merged in 1993, creating PriceCostco. In 1997, the company adopted the Costco name.
The basic warehouse concept remained remarkably consistent:
- Charge customers an annual membership fee.
- Carry a relatively limited selection of products.
- Purchase merchandise in large quantities.
- Keep operating costs relatively low.
- Sell products at low prices.
- Encourage members to shop frequently.
Costco's own description of its model says that limited selection, high sales volumes, rapid inventory turnover, volume purchasing, and no-frills warehouse facilities allow it to operate at significantly lower gross margins than many traditional retailers.
That formula became the foundation of the company.
The Problem or Opportunity
Traditional retailers generally make money by selling products at a markup.
Costco approached the problem differently.
Its opportunity was to create a retail environment where customers would believe they were consistently receiving unusually strong value.
But low prices create a challenge.
If a retailer simply cuts prices, it can reduce its own profitability.
Costco added another revenue stream: membership fees.
The membership fee helps offset operating costs, allowing Costco to keep merchandise prices lower. Costco itself explains that its membership fees help offset operating expenses and support lower merchandise prices.
This creates an important economic relationship.
The company does not need to make its largest profit contribution from every individual product.
Instead, it can build the economics around the entire customer relationship.
Analysis: This is one of Costco's most important strategic differences. The customer is not simply a shopper; the customer is also a paying member whose renewal depends on continuing to perceive value.
The Big Idea: Make Membership Feel Like a Deal
Costco's membership strategy works because the company tries to make the fee feel small relative to the value customers receive.
In the United States, the standard annual Gold Star membership fee was $65 in fiscal 2025. Executive members could pay an additional $65 and receive a 2% reward on qualified purchases, generally subject to a maximum reward.
The psychological proposition is straightforward:
If Costco saves me more money than my membership costs, renewing makes sense.
That makes membership different from a traditional loyalty program.
A supermarket might give customers points after they purchase something.
Costco asks customers to commit first.
Once someone pays for membership, the customer has an economic reason to keep using Costco.
This creates a potential flywheel:
Pay membership fee → shop at Costco → discover savings → increase usage → receive more value → renew membership.
Business Model: Membership Fees, Retail Sales and Low Margins
Costco's business model has three major components.
1. Membership Fees
Membership fees are a recurring source of revenue.
In fiscal 2025, Costco generated approximately $5.32 billion in membership-fee revenue, compared with $4.83 billion in fiscal 2024.
Membership fees are particularly valuable because they are connected to the customer relationship rather than to individual merchandise transactions.
2. Merchandise Sales
The vast majority of Costco's revenue comes from selling products.
Fiscal 2025 net sales were approximately $269.9 billion.
Costco sells products across categories including:
- Groceries
- Fresh food
- Electronics
- Appliances
- Furniture
- Clothing
- Jewelry
- Home products
- Health and beauty
- Automotive products
- Gasoline
- Business supplies
The company also operates services such as Costco Travel and optical, pharmacy, hearing-aid, and other businesses in various markets.
3. Kirkland Signature
Costco's private-label brand, Kirkland Signature, is another important part of the model.
Private-label products can allow Costco to offer differentiated products while maintaining control over specifications and pricing.
The brand has become one of Costco's most recognizable assets.
Analysis: Kirkland also strengthens the membership model because customers cannot simply find every product elsewhere. The private label gives shoppers another reason to return to Costco.
Growth Strategy: How Costco Attracts and Retains Members
Costco's growth strategy is not built around offering thousands of products.
It deliberately carries fewer products than many traditional supermarkets and department stores.
The company says its model is based on a limited selection of nationally branded and private-label products.
That limitation has several advantages.
Lower complexity
Fewer products can simplify purchasing, inventory management, warehouse operations, and merchandising.
Higher purchasing volume
Costco can concentrate purchasing power on selected products.
Faster inventory turnover
Popular products can move quickly through warehouses.
Easier customer decisions
Members do not necessarily have to compare dozens of similar products.
The result is a retail experience that is intentionally different from a conventional supermarket.
Marketing Strategy: Costco's Prices Are the Marketing
Costco is unusual because it does not depend heavily on conventional advertising to communicate its value proposition.
The shopping experience itself is part of the marketing.
Customers discover products through the warehouses, Costco's website, email communications, promotions, seasonal merchandise, and word of mouth.
The company's famous treasure-hunt experience is also important.
Costco regularly changes its merchandise assortment and introduces limited quantities of products.
That creates a reason for members to visit frequently because shoppers cannot always assume that the same unusual products will be available later.
This creates a powerful behavioral effect.
A member may visit Costco for a regular grocery purchase and discover electronics, furniture, clothing, seasonal products, or other unexpected items.
Analysis: Costco effectively turns product discovery into a retention mechanism.
The Costco Customer Experience
Costco's warehouse environment is deliberately functional.
You may see:
- Large warehouse aisles
- Products displayed on pallets
- Minimal decoration
- Large package sizes
- Limited signage
- Simple checkout areas
This is not accidental.
The company uses the warehouse format to reduce unnecessary handling and operating costs.
Its corporate description specifically identifies no-frills, self-service warehouse facilities as part of the operating model.
That creates an important brand paradox:
The experience looks inexpensive, but the customer perceives the merchandise as valuable.
Costco does not need an expensive shopping environment to create a premium perception of its products.
Its value proposition is different.
Key Turning Points
1976 — Price Club begins
The Price Club concept introduces membership warehouse retail in San Diego.
1983 — Costco opens
Costco opens its first warehouse in Seattle.
1993 — Costco and Price Club merge
The two warehouse-club businesses combine, creating PriceCostco.
1997 — Costco name adopted
The company becomes Costco Wholesale Corporation.
2000s — International expansion accelerates
Costco expands beyond the United States and Canada into additional international markets.
2010s — Digital commerce expands
Costco increasingly develops its online business alongside its physical warehouse network.
2020s — Membership and digital engagement grow
The company continues expanding warehouses, e-commerce, private-label merchandise, and its digital ecosystem.
Challenges and Failures
Costco's model has strengths, but it also creates challenges.
Membership dependence
A significant part of the model depends on members renewing.
If customers stop seeing enough value, membership renewal could weaken.
So Costco has to continually balance low prices, product quality, merchandise selection, operating costs, and membership value.
The company has historically maintained high renewal rates, but renewal is not guaranteed.
At the end of fiscal 2025, renewal was 92.3% in the U.S. and Canada and 89.8% worldwide.
Limited selection
The limited-selection strategy helps Costco control costs, but it also means customers cannot necessarily find every product or brand they want.
That trade-off is intentional.
E-commerce competition
Online retailers can offer enormous product selection and home delivery.
Costco has responded by expanding its digital capabilities while keeping the warehouse model at the center of the business.
International expansion
Costco's model must also adapt to different consumer behaviors, real-estate markets, regulations, currencies, and product preferences.
The company operates internationally across countries including Canada, Mexico, Japan, the United Kingdom, Korea, Australia, Taiwan, China, Spain, France, Sweden, Iceland, and New Zealand.
Technology & Innovation
Costco may look like a traditional warehouse retailer, but technology has become increasingly important.
Its digital business has expanded significantly.
In fiscal 2025, Costco's e-commerce comparable sales increased 15.6%.
The company has invested in:
- Mobile applications
- Digital membership services
- Online ordering
- Warehouse inventory information
- Delivery infrastructure
- Digital payment systems
- Personalized digital experiences
- Costco Logistics
- E-commerce fulfillment
Costco's digital strategy is designed to complement the warehouse network rather than replace it.
This creates an increasingly connected model:
Physical warehouse + digital discovery + online ordering + delivery + membership.
Costco has also used technology to help members find warehouse inventory and improve mobile shopping experiences.
Key Business Numbers
Costco's fiscal 2025 results demonstrate the scale of its membership business.
| Metric | Fiscal 2025 |
|---|---|
| Net sales | $269.9 billion |
| Membership-fee revenue | $5.32 billion |
| Paid members | 81.0 million |
| Total cardholders | 145.2 million |
| U.S. & Canada renewal rate | 92.3% |
| Worldwide renewal rate | 89.8% |
| Executive members | 38.7 million |
| Executive sales penetration | 73.6% |
| Warehouses at fiscal year-end | 914 |
| Fiscal-year net income | $8.10 billion |
The figures are reported by Costco in its fiscal 2025 annual report and operating results.
Executive membership is particularly important. In 2025, Executive members represented approximately 73.6% of worldwide net sales, showing how deeply the upgraded membership tier is connected to Costco's overall sales volume.
Costco's growth has continued beyond fiscal 2025. For the first 36 weeks of fiscal 2026, the company reported $203.4 billion in net sales and $4.06 billion in membership fees, compared with $185.5 billion and $3.60 billion respectively in the comparable prior-year period.
Lessons Entrepreneurs Can Learn From Costco
1. Build a business around recurring revenue
Membership fees give Costco a recurring revenue stream.
The broader lesson is powerful:
Recurring revenue can make a business more predictable when customers continue receiving value.
2. Make customers feel they are winning
Costco's business model works because customers are encouraged to believe that their membership helps them save money.
The perceived customer value is central to retention.
3. Don't offer unlimited choice just because you can
Costco demonstrates that less can sometimes be more.
A carefully selected assortment can simplify operations while concentrating purchasing power.
4. Use constraints as a competitive advantage
Limited selection, warehouse-style stores, bulk packaging, and minimal decoration may look like limitations.
But those constraints help Costco control costs.
5. Create reasons for customers to return
The treasure-hunt experience encourages members to visit regularly.
Businesses in other industries can apply the same principle through new products, limited releases, fresh content, or changing experiences.
6. Make loyalty economically rational
Costco's membership is not based only on emotional loyalty.
Customers have a financial reason to renew if they believe their savings and benefits exceed the membership fee.
7. Protect the core model while adopting technology
Costco has expanded e-commerce and digital services without abandoning its warehouse model.
That is an important lesson for established businesses:
Digital transformation does not always require replacing what already works.
What Costco Is Doing Today
Costco continues to expand its warehouse network while investing in e-commerce and digital capabilities.
At the end of fiscal 2025, the company operated 914 warehouses.
By May 10, 2026, Costco had generated $203.4 billion in net sales during the first 36 weeks of fiscal 2026, compared with $185.5 billion in the comparable period a year earlier. Membership-fee revenue reached $4.06 billion during the same period.
The company is also continuing to open warehouses internationally and expand digitally.
Its current model remains centered on the same basic formula that made the business successful:
Membership + low prices + limited selection + high volume + efficient operations.
The difference today is scale.
Costco now operates hundreds of warehouses across multiple countries and combines its physical network with e-commerce, digital tools, private-label products, services, and membership rewards.
Conclusion: Why Costco's Membership Model Works
Costco's success is not based on one revolutionary product.
It comes from the way several ordinary business ideas reinforce each other.
The company charges a membership fee.
That membership helps support a low-price strategy.
Low prices create customer value.
Customer value encourages frequent shopping.
Frequent shopping creates enormous sales volumes.
High sales volumes strengthen purchasing power and inventory turnover.
And when customers believe their membership saves them more money than it costs, they have a strong reason to renew.
That creates the Costco flywheel:
Membership → Value → Shopping → Savings → Loyalty → Renewal → Growth.
The company's 2025 numbers show the scale of this system: 81 million paid members, 145.2 million cardholders, $269.9 billion in net sales, and a 92.3% renewal rate in the U.S. and Canada.
Costco's biggest lesson for entrepreneurs is therefore not simply "charge a membership fee."
It is to build a recurring relationship in which customers can clearly see why staying is worth it.
Memorable business takeaway: Don't just sell customers a product—build a system that makes them want to come back.
FAQ
1. How does Costco's membership business model work?
Costco charges customers an annual membership fee and then sells merchandise through membership warehouses and e-commerce. The membership revenue helps offset operating costs and supports Costco's low-price merchandise strategy.
2. How many Costco members are there?
At the end of fiscal 2025, Costco had 81 million paid members and 145.2 million total cardholders, including household cards.
3. What is Costco's membership renewal rate?
At the end of fiscal 2025, Costco reported a 92.3% renewal rate in the United States and Canada and an 89.8% worldwide renewal rate.
4. How does Costco make money?
Costco primarily generates revenue from merchandise sales and membership fees. In fiscal 2025, net sales were approximately $269.9 billion, while membership-fee revenue was approximately $5.32 billion.
5. Why does Costco keep prices low?
Costco uses high sales volumes, rapid inventory turnover, volume purchasing, limited product selection, and relatively low-cost warehouse operations to maintain low merchandise prices.
6. What is Costco's Kirkland Signature brand?
Kirkland Signature is Costco's private-label brand. Private-label products are an important part of Costco's merchandise strategy and provide members with products positioned around value and quality.
7. Why are Costco customers so loyal?
Costco's loyalty is supported by several factors: low prices, membership benefits, private-label products, high renewal rates, product discovery, and the perception that the annual membership fee can pay for itself through savings. The high renewal rates reported by Costco provide a measurable indicator of member retention.
Final business takeaway: Costco turned a membership fee into a loyalty engine by making the customer feel that the membership pays for itself.
