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The retail innovation war – South Korea’s 1-hour shipping and store space innovation

The introduction of Emart + SSG.COM’s 1-hour shipping service (a.k.a. Quick Commerce) and the strategy of reorganizing physical store space represent not just an expansion of services, but a strategic turning point for the survival and future of the South Korean retail market, particularly when analyzed through the lens of Amazon and Walmart. As a CTO of SSG.COM and former CTO of Emart, I provide an in-depth analysis of the core case studies and strategic goals of each company.

How do South Korean and US retail market characteristics compare?

The fundamental differences in the retail markets of South Korea and the US stem from their geographic characteristics, which drastically dictate corporate competition strategies. South Korea, due to its small land area and ultra-high population density, boasts highly cost-effective last-mile delivery. With the majority of the population concentrated in the Seoul metropolitan area, 1-hour shipping using motorcycles is economically viable, and this ultra-high density drives speed as the service standard. This environment has set ‘same-day or dawn delivery’ as the basic consumer expectation, making speed competition an essential for survival among retailers.

A prime example is Coupang‘s strategy of densely placing national fulfillment centers (FCs) and small fulfillment camps to build its exclusive ‘Rocket Delivery’ speed advantage. In contrast, the US, with its vast territory and lower population density, faces very high last-mile costs, making nationwide 1-to-2-day delivery impossible without massive logistics infrastructure, and this vast territory necessitates flexibility and scale. Amazon overcame this by utilizing its large-scale fulfillment center network and dedicated aircraft (Amazon Air) to standardize ‘2-day nationwide delivery (Prime)’. Since large-scale, car-centric weekly shopping is typical, Walmart saw buy online pick up in store (BOPIS) service emerge as the most efficient alternative.

Is the Emart/SSG.COM versus Coupang competition mirroring Walmart versus Amazon?

The competition between Emart/SSG.COM and Coupang mirrors the structure of Walmart versus Amazon, though the core battleground differs. Emart/SSG.COM adopts the Walmart model, striving for omnichannel completion based on existing physical assets and trust. Just as Walmart utilizes thousands of its physical stores as ship from store (SFS) hubs to contend with Amazon’s logistics, Emart employs its national stores as urban dark stores for 1-hour shipping. Conversely, Coupang is the Amazon-like innovator, disrupting market rules through vertically integrated logistics and technology investment, and the dynamics between the innovator and the incumbent are critical. Coupang’s Rocket Wow membership, similar to Amazon’s Prime, bundles free shipping and other perks to maximize customer switching costs, thereby dominating the market.

What are the differences in competition methods driven by market characteristics?

Competition methods in both countries are dictated by market specifics. South Korea’s ultra-high density environment compels SSG.COM to inevitably match Coupang’s speed expectations. Therefore, SSG.COM must utilize existing assets (Emart stores) through 1-hour shipping while keeping pace with Coupang’s speed benchmark, as speed and fresh quality are non-negotiable in South Korea. Furthermore, to secure the quality and ‘visual trust’ of fresh food highly valued by Korean consumers, they insist on the in-store picking method by Emart staff. In contrast, the US’s vast territory informs Walmart that matching Amazon’s national speed is inefficient, and flexibility and cost efficiency rule the US market. Walmart thus leverages American consumers’ car-centric culture to offer the exclusive convenience of in-store pickup (BOPIS), prioritizing ‘flexibility’ and ‘cost efficiency’ as competitive advantages against Amazon.

How is South Korea securing fast delivery competition with 1-hour shipping’s impact on SSG.COM versus Coupang?

SSG.COM’s introduction of 1-hour shipping represents a critical shift from a defensive to an offensive posture against Coupang. By utilizing Emart stores (existing assets) to build a 1-hour delivery network, SSG.COM minimized the fixed cost burden (CAPEX) of constructing dedicated fulfillment centers, unlike Coupang’s massive investment. 1-hour shipping meets Coupang’s established ‘instant delivery’ standard, and the service achieves functional parity in speed with competitors. This neutralizes speed as the sole reason for choosing Coupang. SSG.COM leverages 1-hour shipping as a powerful customer acquisition channel to draw urgent-purchase customers into the SSG.COM ecosystem.

What is the US fast delivery competition strategy: where does Walmart stand against Amazon delivery?

Walmart’s strategy against Amazon is not to “beat the speed” but to “overcome speed with flexibility and secure a unique advantage.” Walmart leverages its thousands of national stores to offer Express Delivery (1-2 hour delivery), achieving speed close to Amazon in urban centers while maintaining cost efficiency. Critically, the BOPIS (in-store pickup) service provides the exclusive value of ‘zero delivery fee, zero delivery time’ to the customer, and physical assets are leveraged for customer exclusivity. This utilizes physical accessibility as a weapon that Amazon cannot easily match. Walmart cemented its grocery market dominance through this flexibility, securing a distinct competitive edge of ‘groceries and flexibility’ outside Amazon’s core logistics monopoly.

How has 1-hour shipping implementation changed SSG.COM versus Coupang dynamics?

The launch of 1-hour shipping is an attempt by SSG.COM to secure ‘profitability’ and ‘competitiveness’ in the quick commerce market simultaneously. SSG.COM leverages the high-quality fresh products of Emart combined with fast delivery to establish a unique ‘premium quick commerce’ image, countering Coupang’s convenience with freshness and quality trust. With this, SSG.COM has completed a ‘full spectrum omnichannel’ by offering dawn, scheduled, and 1-hour quick commerce all within one platform, and the service completes the full-spectrum omnichannel offering, significantly enhancing the customer lock-in effect against Coupang. The success of this strategy is evidenced by the expansion of the service and items offered.

What is the true rationale for Emart running quick commerce despite inventory drawbacks: strategic survival?

The real reason Emart operates 1-hour shipping despite the drawbacks of shared inventory (like stock discrepancies) and inefficient picking routes is strategic necessity for survival and future customer acquisition, outweighing short-term logistical inefficiencies. Faced with the crisis of declining offline traffic and an aging customer base, 1-hour shipping satisfies the younger generation’s preference for ‘immediacy’ and ‘mobile convenience’, serving as a ‘gateway’ to bring them into the SSG.COM ecosystem, and this strategy mitigates an aging customer base and declining offline traffic. Furthermore, 1-hour shipping is a core financial efficiency strategy, maximizing the asset utilization of Emart stores by turning them into ‘online order fulfillment centers’ and utilizing existing staff to increase the profitability of fixed assets, meaning assets are maximized through a financial efficiency strategy. 1-hour shipping is essentially an essential survival investment to adapt to the post-pandemic trend of urgent consumption and preempt the future customer base.

What is South Korea’s offline retail strategy: space reorganization for customer attraction?

South Korean offline retail is evolving to seek customer traffic through spatial differentiation beyond just logistics hubs. Emart’s recent attempts reflect this. Emart’s new strategy involves leasing out most of its large store space to tenants to earn rental income, while Emart’s own section is reorganized to focus on grocery (fresh food). This separates logistics functions online (1-hour shipping) and transforms the offline store’s role into a ‘complex space for experience, culture, and consumption,’ as physical space is transformed into experiential hubs. The goal is to create a ‘reason to visit’. By attracting tenants like local famous restaurants, trendy brands, and cultural facilities, they increase attractiveness, encouraging customers who come for the experience to subsequently purchase the highest quality groceries (Emart’s core competency), creating a virtuous cycle. This strategy is essential for modern shopping centers to remain relevant.

What are the global implications of South Korea’s fast shipping competition and store innovation trends?

The fierce ‘speed and quality competition’ and the ‘space innovation’ trend in the South Korean market offer significant insights for global retailers on future omnichannel strategies and last-mile innovation. South Korea’s ‘1-hour shipping’ standardization proves that ‘2-day delivery (Amazon Prime)’ is no longer the endpoint, and the south korean model standardizes ultra-fast delivery globally. This pressures companies like Walmart to regard Express Delivery as core infrastructure, not just an add-on service. The strategy of SSG.COM utilizing Emart stores as dark stores for 1-hour shipping while leasing out remaining space to high-profit tenants presents an innovative model for balancing online competition and offline profitability, and hybrid asset models offer a path for profitability.

European retailers like Carrefour and US retailers like Target can see opportunities on this strategy of dividing underutilized space into picking hubs/warehouses and experiential retail. The Korean case proves that speed alone is insufficient for victory in quick commerce, meaning quality is the key differentiator in quick commerce. Positioning ‘trustworthy branded’ fresh food as the core offering, as SSG.COM does, secures a ‘premium positioning’ distinct from low-cost delivery services, which is essential for long-term customer loyalty. The growth of the quick commerce market globally is rapid and focused on groceries.

CTO insights: the future survival strategy in retail?

The Emart + SSG.COM 1-hour shipping strategy is a multi-layered approach that counters ‘Amazon’s (Coupang’s) speed’ through ‘Walmart’s asset reuse’ while ultimately planning the future through ‘space reorganization’.

To secure future competitiveness, retailers like Emart/SSG.COM must focus on AI-powered shared inventory optimization, advancing real-time data synchronization between Emart POS data and online orders to elevate the 1-hour shipping picking efficiency, as technology must be optimized for Online-to-Offline(O2O) integration.

Integrated data collection on customer viewing habits should be utilized to offer personalized promotions, completing a seamless shopping experience.

Finally, 1-hour shipping must be expanded selectively only to stores where profitability is ensured, and focusing on profitable expansion is vital for long-term survival. The strategy should focus on building a high-revenue O2O integration model by merging the data from reorganized offline spaces (tenant rentals) with online sales, ultimately reinforcing the ‘premium quick commerce’ positioning of providing the fastest, most reliable products.

This article is published as part of the Foundry Expert Contributor Network.
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Category: NewsJanuary 12, 2026
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