Retailer & Marketplace · vs · Retailer & Marketplace

COSA

Costco vs Sam's Club

Structured technology and market comparison · 2026

Direct Feature Comparison

Costco · vs · Sam's Club
Primary Market / Role
CostcoRetailer & Marketplace
Sam's ClubRetailer & Marketplace
Platform Focus
Costco

Membership warehouse retailer selling bulk goods online and in-store.

Sam's Club

Membership warehouse retailer with e-commerce, subscriptions and retail media.

Company Size
Costco>5,000 employees
Sam's Club>5,000 employees
Headquarters
CostcoUS
Sam's ClubUS
Year Founded
Costco1983
Sam's Club1983

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Comparison Analysis

What is the main difference between Costco and Sam's Club?

When comparing Costco and Sam's Club, both platforms operate within the E-Commerce Platform, Display, Web & Mobile, and Retailer & Marketplace ecosystem. Costco is positioned as Membership warehouse retailer selling bulk goods online and in-store, whereas Sam's Club focuses on Membership warehouse retailer with e-commerce, subscriptions and retail media. Decision-makers evaluate both solutions when orchestrating their commercial monetization and technology stack.

What are the top alternatives to Costco and Sam's Club?

When evaluating Costco and Sam's Club, enterprise buyers also consider other platforms in E-Commerce Platform, Display, Web & Mobile, and Retailer & Marketplace. You can discover the full competitive landscape and evaluate other alternatives by viewing their respective footprint profiles on Polaris7.

Market Signals

Recent Market Signals & Activity: Costco vs Sam's Club

Documented market movements, strategic partnerships, product releases, and regulatory developments mapped across Polaris7.

CO

Costco

Recent Signals

  • ·Modern RetailRetail Media

    Costco Digital Sales Hit $33B, Up 20%

    Costco reported that digitally-enabled sales, including third-party delivery, surpassed $33 billion in fiscal 2026, growing over 20%. The company expanded partnerships with DoorDash and Uber Eats for nationwide U.S. delivery, complementing its long-standing Instacart relationship. CEO Ron Vachris noted these channels drive incremental sales and attract younger members, with members under 40 growing 60% since Covid and now representing over 25% of the base. Costco's total net sales reached $297.2 billion, up 10% year-over-year, with pharmacy growing 20% due to digital capabilities. Delivery partners require membership verification at checkout, reinforcing the membership model.

    • Costco digitally-enabled sales exceeded $33 billion in fiscal 2026, growing over 20%.
    • Costco partnered with DoorDash and Uber Eats for nationwide U.S. delivery.
    • Costco total net sales reached $297.2 billion, up 10% year over year.
  • ·SEC APIfinancials

    8-K Financial Filing Analysis for Costco (2026-07-08)

    On July 7, 2026, Costco Wholesale Corporation announced that its Board of Directors approved a regular quarterly cash dividend of $1.47 per share on the company's common stock. The dividend will be payable on August 7, 2026, to shareholders of record as of the close of business on July 24, 2026. This capital return action underscores Costco's sustained operational cash flow generation and reinforces its ongoing commitment to consistent shareholder returns.

    • Costco's Board of Directors declared a quarterly cash dividend of $1.47 per share of common stock.
    • The dividend is payable on August 7, 2026, to shareholders of record as of July 24, 2026.
  • ·CNBC TechnologyRetail Media

    Costco and Uber Expand Grocery Delivery to 47 States

    Costco has expanded its U.S. grocery delivery partnerships with Uber and DoorDash, significantly broadening its same-day delivery reach. The Uber Eats partnership now covers nearly 600 U.S. locations across 47 states, up from 17, requiring membership verification. Concurrently, Costco has joined DoorDash's marketplace, offering delivery from about 630 locations in 47 states and Washington, D.C. Uber provides benefits like Uber One discounts, while DoorDash offers scheduled delivery. These moves aim to scale Costco's e-commerce, with same-day delivery growing faster than its overall digital business. Instacart remains a key longstanding partner, with recent expansions in Europe, intensifying competition among delivery platforms.

    • Costco and Uber expanded their Uber Eats partnership from 17 to 47 states, covering nearly 600 U.S. locations.
    • Costco joined DoorDash's marketplace, offering delivery from approximately 630 locations across 47 states and Washington, D.C.
    • Both Uber and DoorDash partnerships provide same-day delivery, with DoorDash also offering scheduled delivery.
SA

Sam's Club

Recent Signals

  • ·AdExchangerRetail Media

    Sam's Club Launches Predictive Ad Targeting Suite

    Sam's Club Connect, the membership-based retailer's advertising business, launched a suite of new predictive targeting and measurement products. The tools allow brands to create custom predictive modeling audiences for churn prevention, brand loyalty, and targeting shoppers likely to make high-end purchases. One product, Predictive Precision Targeting, was tested by Procter & Gamble for Cascade Platinum dish detergent, achieving a 94% accuracy rate in identifying households with a propensity to upgrade and a 71% increase in total spend. The suite also includes tools for conquesting campaigns and forecasting buyers for rare, high-end items like TVs, leveraging Sam's Club's longitudinal member purchase data and AI models.

    • Sam's Club Connect launched a suite of new targeting and measurement products on September 16, 2026.
    • The suite includes Predictive Precision Targeting, churn prevention, and high-end purchase prediction tools.
    • A test of Predictive Precision Targeting with Procter & Gamble's Cascade Platinum achieved 94% accuracy in identifying upgrade-prone households.

Compare their exact ecosystem overlaps.

Explore all deep relationships in Polaris7. Discover exactly which mutual clients, integrated technologies, and overlapping partners Costco and Sam's Club share across the market ecosystem.