Top 15 Ecommerce Website Development Companies in NYC, USA (2026)

Gilzor develops custom ecommerce products for startups, SMBs, and established product teams serving the US market. Its ecommerce capabilities extend beyond standard storefront development to custom platforms, marketplaces, retail software, platform migration, mobile applications, integrations, and continued product development.

The team combines business analysis, UI/UX design, frontend and backend engineering, QA, and maintenance within the same delivery process. Gilzor has also developed an ecommerce grocery application aggregating offers from more than 700 stores, giving the team practical experience with product discovery, purchasing flows, merchant data, and retail operations.

Lounge Lizard combines ecommerce development with web design, UX, branding, and digital marketing. The agency has a New York City office and develops ecommerce websites alongside Shopify stores and broader website development projects.

Its Shopify work includes store development and related design services, while the wider ecommerce practice addresses functionality, payment experiences, performance, and ongoing support. This setup can suit retail and consumer brands that want their ecommerce build coordinated with creative work and customer acquisition rather than handled as an isolated engineering project.

DigitalSuits operates a New York office and focuses heavily on ecommerce development, particularly Shopify and Shopify Plus projects. Its services cover custom ecommerce development, store implementation, migrations, headless commerce, integrations, web development, UI/UX, and continued maintenance.

The company works with both platform-based stores and more customized commerce systems. This makes it relevant when a business needs to move beyond an off-the-shelf theme while keeping Shopify or another established commerce platform at the center of its technical setup.

Elogic Commerce concentrates specifically on ecommerce engineering, with a New York presence in Brooklyn. Its New York practice covers Adobe Commerce, Shopify Plus, B2B commerce, enterprise replatforming, and connections between ecommerce platforms and systems such as NetSuite, SAP, and Microsoft Dynamics 365.

This technical focus is particularly relevant to manufacturers, distributors, DTC brands, and larger merchants where the storefront must exchange data with ERP, CRM, inventory, and other operational systems. Elogic also handles both B2B and direct-to-consumer commerce projects.

BlueSwitch is a New York ecommerce agency centered on Shopify and Shopify Plus. Its development work includes new storefronts, redesigns, migrations, custom functionality, integrations, and B2B ecommerce implementations.

The agency works on both DTC and B2B commerce and can connect Shopify with services covering CRM, fulfillment, shipping, marketing, and marketplaces. Its migration offering also includes data transfer, redirects, SaaS integrations, analytics, and post-launch support, which can be useful for established merchants moving away from older ecommerce systems.

DD.NYC approaches ecommerce through a combination of web development, user experience, visual design, and branding. Its Manhattan team works on ecommerce websites alongside WordPress, headless development, API integrations, performance work, analytics, and ongoing site support.

The agency may fit companies where storefront design and brand presentation carry as much weight as the underlying technical implementation. Its broader creative capabilities also mean branding, animation, design systems, and web development can be coordinated within one project rather than split across separate vendors.

MOBIKASA works extensively with ecommerce businesses and maintains a New York presence. Its platform experience includes Shopify Plus, Magento, Adobe Commerce, WooCommerce, BigCommerce, and related ecommerce technologies.

Development can be combined with UX, accessibility work, performance improvements, SEO, analytics, and ongoing optimization. The company supports both new builds and existing stores that need continued technical work. Its ecommerce delivery models include complete launch projects, dedicated teams, ad hoc support, and individual specialists who can join an existing ecommerce operation.

Ruckus develops ecommerce storefronts from its New York headquarters and connects website engineering with UX, branding, and marketing. Its ecommerce work includes Shopify implementations, replatforming, catalog migration, payments, merchandising, SEO, analytics, and integrations with operational systems.

Published projects include direct-to-consumer storefronts and ecommerce redesigns involving ERP connectivity and more specialized shopping interactions. This breadth can make Ruckus relevant to brands treating ecommerce as part of a wider digital and brand program rather than a standalone store implementation.

Big Drop Inc develops ecommerce websites alongside broader web design and development projects from its New York office. Its ecommerce services cover customer-facing design, development, Shopify implementation, and continued optimization after launch.

The agency has published ecommerce work for consumer product brands and supports projects where visual presentation needs to be closely coordinated with product browsing and purchasing functionality. Big Drop can therefore fit businesses planning a redesign or ecommerce launch where the public-facing customer experience is a central part of the development scope.

Crafted operates from New York City and works on ecommerce development as part of a broader digital agency offering. Its commerce services include ecommerce website design and development, with a particular focus on Shopify for brands seeking a customized storefront.

The company also provides branding, digital marketing, SEO, content, and creative services. This broader scope may suit retail and consumer businesses that want to coordinate a Shopify build with brand strategy or customer acquisition work instead of engaging separate development and marketing agencies.

DataArt brings ecommerce development into a larger software engineering practice and maintains a New York presence. Its ecommerce work addresses custom commerce software and the wider systems surrounding digital retail rather than focusing only on storefront templates.

That model can be useful when an ecommerce initiative involves custom applications, integrations, business logic, or other software that needs to operate alongside the shopping experience. The company has a dedicated ecommerce practice as part of its retail and distribution capabilities and provides engineering support for established brands as well as new digital commerce initiatives.

Atelier Commerce is a New York digital commerce agency focused on ecommerce experiences. Its development offering includes technical strategy, Shopify and BigCommerce development, theme and component development, and integrations.

The agency plans ecommerce architecture around platform requirements, operational workflows, and customer needs before implementation. This can be particularly useful for merchants that need more control over reusable storefront components or integrations than a standard template deployment provides. Atelier also handles ecommerce experience and conversion-related work alongside development, keeping technical implementation connected with the way customers actually move through the store.

Ecom Development NYC focuses specifically on ecommerce development and operates from Manhattan. Its services cover development, migration, and integrations across platforms including Shopify, BigCommerce, WooCommerce, Magento, Squarespace, PrestaShop, OpenCart, Wix, and other commerce systems.

The broad platform coverage is useful for merchants dealing with older stores or less common ecommerce stacks. Rather than requiring every project to move immediately to the same platform, the company works across multiple ecosystems and can support migration when a business decides its current setup has reached its limits.

Ironpaper is an NYC-based digital agency with ecommerce development capabilities spanning design, technology, strategy, and marketing. Its services include ecommerce websites, Shopify development, custom web development, technology integration, analytics, website maintenance, and ecommerce marketing.

The company approaches ecommerce as both a technical platform and a customer acquisition channel. That may fit businesses that want development decisions coordinated with positioning, conversion measurement, SEO, or other marketing priorities. Ironpaper also works with APIs and custom web applications when a commerce project requires functionality beyond a conventional online storefront.

NTL of NYC provides ecommerce development alongside web design, hosting, SEO, and broader digital services. Its ecommerce offering includes Shopify, WooCommerce, and headless store development, with work covering storefront usability, performance, checkout experience, analytics, product schema, and related technical issues.

The company identifies New York City as its headquarters while operating a distributed international team. This model may suit smaller and mid-sized merchants that want ecommerce development combined with ongoing website management, optimization, hosting, and digital marketing support rather than maintaining several separate vendors.