Best E-Commerce Development Companies in the US

Miami-based Absolute Web accelerates eCommerce growth with 3 decades of experience. Over 85 experts work across offices in Miami, Brickell, LA, and Lisbon. They specialize in Shopify Plus, Adobe Commerce, and BigCommerce development. ADA compliance and performance optimization keep stores competitive. Premier partnerships and 19 industry awards prove their results.

ioVista is an e-commerce agency in Dallas operating since 2004. They build custom sites on Adobe-Magento, BigCommerce, Shopify, and WooCommerce platforms. The team handles design, development, SEO, and PPC campaigns. They work with B2B and B2C brands. Services include ERP integrations, cloud migrations, and digital marketing strategy. They've helped clients reach the top of Google searches.

Mobikasa helps brands thrive online from offices in New York, Los Angeles, London, Dubai, and New Delhi. Teams build exceptional websites and mobile apps with quality-first development. Digital marketing and accessibility compliance keep businesses competitive. Hundreds of partners trust their transparent approach to growing online presence.

Nuanced Media specializes in Amazon marketing and eCommerce growth. Based in Tucson, the agency has helped 500+ brands since 2010. They manage Amazon PPC, DSP advertising, and full-service account optimization. The agency offers Fractional CMO services for omnichannel strategies. They combine AI-driven tools with data analysis to boost rankings and sales across Amazon and other platforms.

Stellaractive is a Portland marketing agency offering WordPress and WooCommerce website development. They work as an extension of client teams to deliver creative communications. The agency builds strategy-driven marketing campaigns that help companies reach their potential. Stellaractive provides full communications team support at a fraction of the cost of hiring employees.

Cleveland's 216digital protects businesses from ADA lawsuits through web accessibility services. They achieve WCAG 2.1/2.2 AA compliance and provide ongoing monitoring with a11y.Radar. Beyond accessibility, teams deliver eCommerce development, PPC marketing, and SEO.

FountainheadME maximizes Amazon profits using data-driven strategies from Santa Monica, CA. Mathematical analysis reveals buyer behavior patterns that others miss. Their studio produces professional product photography and videos. Account management, listing optimization, and PPC advertising increase net profit. Free analysis shows sellers exactly how to beat competition.

Avex is a New York Shopify Plus agency serving enterprise brands since the early 2010s. They earned Shopify Premier Partner status in 2025. The team has helped clients generate over $10 billion in sales. Avex handles platform migrations, headless commerce builds, and retention marketing for fashion and lifestyle brands. Clients include KITH, Hugo Boss, Quip, and TAG Heuer. The agency specializes in conversion rate optimization and personalized shopping experiences using Klaviyo email marketing.

Sixth City Marketing builds custom Shopify websites focused on SEO and conversion enhancements that help store owners increase their online sales. With 25+ years of combined experience, they excel in ecommerce SEO, PPC consulting, and conversion optimization. The agency develops custom Shopify themes and provides ongoing SEO support.

Bright Vessel is a Jupiter, Florida web design agency that builds custom websites. They create user-friendly sites that help businesses grow online. The team combines creative design with solid technical skills. They develop websites, manage digital marketing, and build e-commerce platforms. Bright Vessel serves small businesses and large corporations throughout South Florida.

Houston's Informatics Commerce builds eCommerce solutions for businesses of all sizes. With over 20 years of experience in creating online stores, they excel at Magento development and UX design. Proven SEO strategies help clients dominate their niche. The team combines technical expertise with open communication throughout every project.

Chicago-based Codal specializes in UX/UI design and digital solutions. They serve Fortune 500 companies and startups. The team builds scalable software using AI and data analytics. Codal has worked with brands like Hertz and GOREWEAR. Their services include product strategy, e-commerce development, and cloud architecture. Over 15 years, they've helped businesses grow through smart technology.

Arctic Grey is a Shopify Plus development agency in Mountain View, California. They build enterprise e-commerce solutions that improve conversion rates and user experience. The agency recently partnered with MNTN's performance TV platform to combine Shopify expertise with targeted advertising. They serve major cities across the United States. Their unified approach helps online retailers grow through better storefront design and measurable traffic strategies.

Iflexion provides custom software development services in Denver, Colorado. Since 1999, their 1,000+ developers have served Fortune 500 companies and growing businesses. They build enterprise software, mobile apps, and AI solutions. The Denver team handles everything from initial design to final testing. Iflexion specializes in complex business challenges that need innovative technology. Their expertise spans healthcare, retail, and financial services.

NORCAL Web Designs is a Sacramento web design company specializing in custom websites for small businesses. The team builds mobile-responsive sites, ecommerce platforms, and manages SEO campaigns. They also handle social media marketing and email campaigns for local clients. With over a decade of experience, NORCAL has helped Sacramento businesses improve their online presence. The company offers free consultations and works closely with clients from start to finish.

Emergent Software is a Minneapolis development company offering custom software and web applications. They work with Microsoft technologies including Azure cloud, SQL Server, and Power BI. The team builds business apps, mobile solutions, and API integrations. They provide Sitecore and Umbraco CMS development. Services include DevOps, database management, and website security. Their agile approach keeps clients involved throughout projects.

Dotlogics delivers web design and digital growth services from East Northport, New York. For 20 years, they've helped global brands like McDonald's and Unilever succeed online. The company offers website development, e-commerce solutions, and digital marketing. Dotlogics serves businesses across Long Island and worldwide with proven digital strategies.

Brandhopper Digital is a Wilmington agency that grows Shopify stores. They run PPC campaigns, email and SMS marketing, and omnichannel strategies. The team designs high-converting Shopify sites and creates content, including video and photography. They help e-commerce brands increase sales through targeted advertising and brand storytelling. Services include store optimization and business strategy consulting.

Code Engine is a software architecture firm led by Dave Maple. With 15+ years of experience, he delivers AWS solutions and custom applications. The company works with Java, Scala, Kotlin, PHP, NodeJS, Python, and Go. Dave brings executive experience as President, CRO, and CTO for multiple companies. He creates cost-effective solutions for businesses of all sizes. The firm builds strong development teams when needed. Clients get strategic software architecture that meets their bottom line.