15 Best Ecommerce Mobile App Development Companies in the USA (2026)

Gilzor develops ecommerce software and mobile products for startups, SMBs, and established product teams serving the US market. Its work covers native iOS and Android development as well as cross-platform applications, UX/UI design, backend engineering, testing, publishing, and continued support after release.

The company has worked on an ecommerce grocery shopping application that aggregates offers from hundreds of stores. This practical retail experience is relevant to projects involving product discovery, purchasing flows, merchant data, and location-based offers. Gilzor can also audit an existing mobile app when performance issues, weak ratings, or release problems make a complete rebuild difficult to justify.

ScienceSoft provides dedicated ecommerce mobile app development alongside its wider software engineering services. Its scope can include business analysis, mobile UX/UI, native or cross-platform development, payment functionality, integrations, testing, and support after launch.

The company is suited to retailers that need the app to communicate with webstores, inventory systems, customer databases, analytics tools, and other existing software. ScienceSoft also works on mobile products for broader retail operations, making it relevant when the planned application combines shopping features with loyalty programs, customer service, or internal processes.

Appinventiv develops ecommerce platforms and mobile applications for enterprises and growing consumer brands. Its ecommerce work covers connected shopping experiences, product management, customer journeys, multichannel commerce, backend architecture, and integrations with business systems.

The company can handle both the customer-facing application and the technical foundation behind it. This is useful for businesses planning higher-volume stores, marketplaces, headless commerce products, or applications involving AI recommendations and personalized content. Its mobile engineering services cover product planning, design, native and cross-platform development, deployment, and post-launch work for companies across the US.

Itexus builds ecommerce applications around online retail workflows, including user accounts, product discovery, transactions, and connections between the mobile interface and supporting systems. Its broader mobile practice includes product analysis, UX/UI design, iOS and Android development, backend engineering, quality assurance, and maintenance.

The company is particularly familiar with payment technology and data-sensitive applications due to its wider fintech focus. That background may be useful for ecommerce products involving digital wallets, installment payments, financial dashboards, or more involved transaction logic. Itexus has a New York presence and works with US companies on custom product development.

Net Solutions develops custom mobile products for ecommerce businesses, loyalty programs, SaaS companies, and other customer-facing services. Its mobile work extends from strategy and experience design to engineering, testing, launch, and maintenance.

For ecommerce teams, the company can build applications that connect shopping journeys with mobile wallets, push notifications, analytics, product information, and backend platforms. Its published work includes a scalable Android ecommerce application for Konga, covering the practical demands of mobile browsing and purchasing. Net Solutions maintains US offices in Los Angeles and New York.

Codal works across ecommerce, experience design, product engineering, and custom application development. Its mobile teams build applications that operate alongside ecommerce engines, content management systems, backend platforms, and enterprise tools rather than functioning as disconnected channels.

The company is a reasonable fit for retailers moving toward unified or headless commerce. Its capabilities include Shopify, BigCommerce, custom platforms, system integrations, commerce strategy, conversion work, and mobile development. Codal is based in Chicago and has published retail projects covering both B2C storefronts and more involved B2B purchasing experiences.

A-Listware provides mobile development through outsourced teams and software engineering services. Its mobile practice explicitly includes ecommerce apps, alongside iOS, Android, UX/UI, quality assurance, backend development, cloud work, and application maintenance.

Its delivery model may suit companies that already have internal product leadership but need additional developers, QA engineers, or a complete external team. A-Listware can also support ecommerce work beyond the app itself, including web platforms, integrations, software modernization, and dedicated development teams. The company lists a US presence in North Bergen, New Jersey.

TekRevol offers a specific ecommerce app development service for US retailers, direct-to-consumer brands, marketplaces, and B2B sellers. Its teams develop native iOS and Android products, cross-platform applications, progressive web apps, admin panels, and the backend systems required to manage orders and inventory.

The service covers product catalogs, search, carts, checkout, order tracking, payment gateways, promotions, merchant management, and integrations with ERP, CRM, and accounting tools. TekRevol also develops recommendation systems and behavior-based personalization for commerce products. It has a physical presence in several US cities, including Houston, Miami, Los Angeles, Chicago, and San Francisco.

Zco Corporation develops ecommerce applications for online stores, B2B marketplaces, fashion retailers, and food delivery platforms. Its mobile services include native iOS and Android development, cross-platform apps, progressive web applications, UI design, testing, and continued support.

The company has been operating since 1989 and maintains its headquarters in Nashua, with additional meeting locations in Boston and New York. Its larger development team makes it suitable for businesses expecting a substantial feature set or a longer product roadmap. Zco can also work on related SaaS platforms and custom backend software when the commerce application is only one part of the planned system.

Cheesecake Labs develops retail and consumer software, including ecommerce platforms and mobile shopping applications. Its work can cover product planning, experience design, mobile and web engineering, application modernization, and integration with existing business systems.

A relevant example is its work on Tapcart, a platform that lets Shopify merchants create and manage mobile shopping apps. That experience gives the company a useful perspective on tools designed for both shoppers and ecommerce operators. Cheesecake Labs has a San Francisco office and uses nearshore teams working within US time zones.

Goji Labs plans, designs, and develops custom mobile applications and ecommerce platforms from its Los Angeles base. Its services include product strategy, UX/UI design, mobile engineering, web development, custom software, and AI product development.

The company works on ecommerce and retail products involving mobile shopping, subscriptions, product configuration, and customer-facing purchasing journeys. Its portfolio includes a redesigned ecommerce experience for an automotive interiors retailer. Goji Labs may be a practical option when the concept still needs product definition and design work before engineering begins.

Saritasa develops native, cross-platform, hybrid, tablet, and progressive web applications. Its teams also handle responsive design, custom web development, backend systems, APIs, cloud infrastructure, and modernization of existing software.

Although its portfolio is broader than ecommerce alone, the company has worked with consumer brands and businesses that need mobile access, payment processing, billing, and customer management features. This makes Saritasa relevant to custom commerce projects that do not fit neatly into a standard Shopify or marketplace template. It operates in the US and has delivered mobile products since the early years of the App Store.

ISBX is a Santa Monica mobile development agency with experience building applications for consumer brands and large organizations. Its work covers iPhone, Android, web, UX design, application strategy, and product development.

The company has direct ecommerce experience, including an Android shopping application developed for L'Oreal. Its background also includes mobile products for media, entertainment, healthcare, and venture-backed startups. ISBX is more relevant to businesses that want a custom branded application than companies looking for a standard ecommerce platform implementation.

Fueled develops mobile and web products for consumer brands and established companies. Its background includes ecommerce, product strategy, UX design, mobile engineering, content platforms, and customer messaging systems.

Published examples of its work include retail and purchasing experiences for brands such as Warby Parker and Rite Aid. Fueled uses an iterative development process with product planning, design, engineering, and launch work organized into focused delivery stages. Following its merger with 10up, the company can also support content-heavy commerce platforms where mobile applications must share data and experiences with a larger web ecosystem.

DMI provides application development, mobility, ecommerce, cloud, data, and managed technology services. Its ecommerce work is often tied to wider digital transformation projects involving customer experience, backend operations, inventory, transaction volumes, and enterprise integrations.

The company is better suited to large organizations than early-stage stores looking for a small standalone application. It supports custom builds, platform implementation, replatforming, maintenance, and SAP Commerce Cloud projects. DMI also works on enterprise mobility and large retail environments, where device management, security, infrastructure, and application development must be coordinated.