Best eCommerce Development Companies in USA

Introduction

Building a successful online store in 2025 is no longer just about having a digital storefront; it's about having a digital storefront that stands out. In 2025, it is about creating a seamless, intuitive, and performance-optimized experience that mirrors in-store reliability while offering digital agility.

With increasing competition, evolving customer behavior, and constant innovation in e-commerce platforms, businesses often find themselves wondering how to make the right start. Questions around platform choice, integration, performance optimization, mobile responsiveness, and security plague business owners. That is where the role of an ecommerce website development company becomes indispensable. 

These companies do more than just code for ecommerce web development services; they craft digital commerce journeys tailored to your business goals. After rigorous research, client reviews, and analysis of service portfolios, we present a curated list of the top 20 ecommerce website development service providers in the USA. These experienced ecommerce developers help you create your ecommerce websites, enhance your existing ecommerce website, and prepare you to lead the market with feature-rich ecommerce websites.

Top eCommerce website development companies in the USA

The United States is a hub of innovation in e-commerce development, with hundreds of agencies offering high-quality ecommerce development services. To make this list, we reviewed company portfolios, client testimonials, platform expertise, and long-term business impact.

The ecommerce web development companies listed below represent a cross-section of boutique studios and enterprise-grade firms, each contributing unique strengths in design and development, ecommerce integrations, and platform customization. Whether your business requires an agile Shopify launch or a large-scale Adobe Commerce migration, these 20 companies offer strategic guidance and technical expertise to help you achieve your e-commerce goals.

1. Xumulus

Headquartered in Chicago, Illinois, Xumulus is a Magento-certified ecommerce development company that prides itself on long-term partnerships. They specialize in Adobe Commerce, BigCommerce, Shopify, and Oracle ecommerce solutions. Their clients include midmarket brands across the fashion, B2B services, and lifestyle sectors. Xumulus promotes its "Growth Partner" model, staying involved long after launch to continually evolve and optimize clients' e-commerce platforms.

Their ecommerce development services include website design and development, platform migration, ecommerce integrations, and conversion rate optimization. Xumulus is known for proactive communication, strong DevOps capabilities, and data-driven decision-making to fine-tune digital stores for real-world business needs.

• Headquarters: Chicago, IL

• Platform Expertise: Magento, Shopify, BigCommerce, Oracle

• Notable Services: Growth strategy, technical enhancements, ecommerce marketing

2. Dinarys

Based in Santa Clara, California, Dinarys is an ecommerce development agency known for delivering end-to-end ecommerce development solutions across industries like retail, real estate, and healthcare. They work extensively with Adobe Commerce, Shopify, BigCommerce, and offer UI/UX design, app development, and performance optimization.

Dinarys builds scalable e-commerce platforms, often utilizing headless commerce architecture to meet complex business requirements. Their strategic replatforming and automation tools have helped clients, such as Mon Tresor Bebe and various international marketplaces, significantly boost conversion rates.

• Headquarters: Santa Clara, CA

• Clients include Mon Tresor Bebe, AEX Exports, and others.

• Services: Ecommerce consulting, replatforming, UI/UX design, mobile commerce

3. Badger.blue

Operating out of Virginia, Badger.blue is a Shopify Plus expert ecommerce web development company also adept at integrating Akeneo and ERP systems. They are known for building omnichannel ecommerce experiences that drive user engagement and sales.

Their ecommerce development services focus on tailored UX design, platform integration, ecommerce strategy, and analytics dashboards. Their core clientele includes fashion, automotive, and wellness brands seeking enterprise-grade e-commerce solutions.

• Location: Haymarket, VA

• Industry Focus: Fashion, Health, Automotive

• Specialties: ERP integrations, Shopify Plus customization, CRO

4. FJ Solutions

Located in Miami, Florida, FJ Solutions is a full-service ecommerce store development company offering ecommerce SEO, email marketing, CRO, and online store development. With two decades of experience, they cater to both B2B and D2C clients across Shopify, Magento, and WooCommerce.

They integrate marketing automation and customer journey enhancements with ecommerce web development to ensure growth beyond site launch. Their flexibility in remote team integration makes them a cost-effective solution for many businesses.

• Headquarters: Miami, FL

• Focus: Shopify SEO, theme development, marketing strategy

• Unique Offering: Traffic-to-retention customer journey optimization

5. Dazze Studio

Although UK-based, Dazze Studio serves a significant American client base and specializes in e-commerce website design and branding. Their visual-first approach to e-commerce website development has resulted in elevated brand identities for fashion and retail clients globally.

Dazze Studio is known for custom WooCommerce stores, newsletter design, UX-focused layouts, and campaign branding. Clients such as Gentlewench and Nighthawks appreciate the agency's design precision and strategic creativity.

• Location: London, UK (serves US clients)

• Clients: Gentlewench, Uniform Wares, Realms

• Strengths: UX/UI, WooCommerce, brand storytelling

6. Staylime

With its roots in Redwood City, CA, Staylime is a Magento and Shopify-focused ecommerce development company known for its timely delivery, technical capability, and pricing transparency. Their portfolio includes eCommerce projects for Egaming and Meissner.

Their ecommerce development services cover design and development, store migration, theme customization, and feature optimization. Known for handling various successful ecommerce projects, Staylime's clients frequently commend their value-for-money and ability to adapt to changing scopes mid-project.

• Headquarters: Redwood City, CA

• Key Clients: Meissner, Egaming, Spectrum Boutique

• Specialty: Magento migration, Shopify customization

7. First Pier

First Pier operates out of Portland, Maine, and offers full-stack ecommerce development, specializing in Shopify. Their services include ecommerce strategy, UX design, custom development, and performance tuning. From market entry consulting to ecommerce website design, the company offers cutting-edge technology, making it a reliable ecommerce development company.

Clients consistently report substantial improvements in conversion rates and SEO optimization after working with First Pier. Their digital commerce strategies are tailored to client goals, and their support is both proactive and long-term.

• Location: Portland, Maine

• Core Services: Shopify design and development, CRO, branding

• Notable Projects: Tandem Coffee, retail growth optimization

8. Uncap

Uncap, based in Chicago, specializes in high-performing B2B e-commerce websites and Shopify migrations. They are a top ecommerce web development company specializing in omnichannel commerce strategies and platform integrations.

Their services include ERP integrations, UX design, AI-driven automation, and ecommerce consulting. Clients like Universal Brush and Trulife benefit from their responsive delivery and results-oriented ecommerce development solutions.

• Location: Chicago, IL

• Clients: ULE Group, Norton Supply, KODO

• Expertise: B2B ecommerce, Shopify Plus, AI automation

9. Netalico Commerce

Netalico, headquartered in Miami, Florida, is a boutique ecommerce development company that works with Shopify and Magento. They are known for fast, responsive service and ecommerce website optimization.

Offering ecommerce web design, custom development, and email marketing, Netalico has supported clients like Vybes and Old California in scaling their online businesses through performance upgrades and system integration.

• Headquarters: Miami, FL

• Key Clients: Vybes, Outdoor Cooking Company

• Services: UX/UI, Magento development, digital marketing

10. Deeboon

Deeboon is a US-based firm known for their enterprise-grade headless commerce architecture. They offer full-cycle ecommerce development services including UI/UX, backend architecture, and third-party integrations.

They work across Adobe Commerce, Shopify, and WooCommerce, with custom solutions tailored for scalability and performance. Clients value their strategic consulting and robust architecture, especially for complex ecommerce projects.

• Platform Focus: Headless Commerce, Magento

• Client: AEX Exports

• Highlights: Custom architecture, decoupled systems, omnichannel support

11. CoSpark

Based in Fredericksburg, VA, CoSpark is a technical ecommerce web development company with a strong emphasis on server performance and WooCommerce. Their work has supported clients generating over $300 million in annual revenue.

CoSpark is recognized for its expertise in API development, e-commerce integrations, performance tuning, and store development. Their project management process is agile, transparent, and milestone-driven.

• Headquarters: Fredericksburg, VA

• Clients: IRS Solutions, Brooklyn Robot Foundry

• Focus: Server optimization, WooCommerce, custom APIs

12. Bryt Designs

Long Beach-based Bryt Designs specializes in SEO-friendly ecommerce websites, PPC strategy, and Shopify development. They deliver custom ecommerce platforms focused on user engagement and lead generation.

Their services include e-commerce SEO, responsive design, and marketing automation, with clients such as HSBC and Virgin Atlantic. Bryt Designs is ideal for mid-sized e-commerce businesses seeking comprehensive full-funnel performance.

• Headquarters: Long Beach, CA

• Clients: HSBC, Prankdial, Cartogram

• Services: Shopify design, performance optimization, PPC

13. Ambaum

Located in Burien, WA, Ambaum is a Shopify Plus specialist. They bring together design, ecommerce development, and growth marketing for emerging brands and enterprise clients.

Ambaum provides replatforming, custom apps, and ecommerce strategy. Their Seattle-based team supports brands like Hammerhead and Crowd Cow, emphasizing customer engagement and scalable architecture.

• Location: Burien, WA

• Clients: Biotics Research Corp., GraphicSchedule.com

• Specialties: Shopify Plus, app development, customer retention

14. Tekglide

Tekglide operates in both Chicago and Houston, delivering custom ecommerce stores with strong Magento and Shopify capabilities. With 15+ years of experience, they focus on UX, bug-free design, and platform flexibility.

Their services include digital marketing, cybersecurity, UI/UX design, and online store development. Tekglide is recognized for its focus on the retail sector and high availability.

• Locations: Chicago, IL & Houston, TX

• Clients: Patlin, Carbon Bike Specialists

• Services: Magento 2, Shopify, digital transformation

15. Canesta

Canesta (formerly Digitawise) is a Los Angeles-based ecommerce development company offering ecommerce web design and performance enhancement. Known for creative design and responsive project execution, they are trusted by growing lifestyle brands.

They focus on branding, ecommerce strategy, and web development. Their clients, including Marvels Co. and Travertine Quarry, rely on Canesta for full-service support and ecommerce growth.

• Headquarters: Los Angeles, CA

• Clients: HeadPlant, Marvels Co.

• Focus: Creative branding, WooCommerce, Shopify

16. ENDERTECH

ENDERTECH is a Los Angeles ecommerce development company that blends software development with ecommerce strategy. They offer mobile app development, database engineering, API integrations, and e-commerce development.

Known for their flexibility and technical expertise, ENDERTECH has helped brands such as Mattress Warehouse and Home Zone Furniture with end-to-end e-commerce solutions and system integrations.

• Location: Los Angeles, CA

• Clients: Finding Meili, Mattress Warehouse

• Services: Web apps, ecommerce platforms, marketing automation

17. Elogic Commerce

Elogic Commerce is a global ecommerce development company with a strong US presence. They support brands like Accenture and Hanes with Adobe Commerce, Salesforce Commerce Cloud, and Shopify implementations.

Their offerings include store development, optimization, consulting, and international ecommerce expansion. Elogic also provides dedicated ecommerce developers and workflow automation tools.

• Global Reach, US operations

• Clients: Accenture, HP, Vertu

• Services: PWA development, replatforming, system integration

18. Codal

Codal is a Chicago-based enterprise ecommerce development company offering UX design, AI analytics, and product strategy. They specialize in large-scale ecommerce projects and digital transformation.

Their team includes over 250 developers and strategists, with clients such as Cosori and Mahlkonig. Codal is well-suited for enterprises that need scalable, data-driven e-commerce solutions.

• Headquarters: Chicago, IL

• Clients: Mahlkonig, Levoit, Cosori

• Expertise: AI integrations, UX, custom platforms

19. Digitlhaus

Digitlhaus, based in the US, is an award-winning ecommerce web development agency that transforms mid-market and enterprise brands. They specialize in B2B and DTC e-commerce strategies, custom design, and SEO.

Clients like QVC and Lululemon trust them for scalable ecommerce solutions that drive revenue growth. Their expertise in Shopify Plus and Adobe Commerce stands out in the space.

• Clients: Trump Store, Lululemon, Dexter Outdoors

• Specialties: CRO, custom development, DTC optimization

• Services: Ecommerce marketing, SEO, web design

20. Bighorn Web Solutions LLC

Bighorn Web Solutions is a boutique ecommerce website development company based in Sheridan, Wyoming. They offer custom Shopify themes, ERP integrations, and Adobe Commerce services.

Known for their high-touch service, the team supports brands like Dopple and Outer Acres Supply Co. with full-stack e-commerce development services, CRO, and long-term site performance enhancement.

• Location: Sheridan, WY

• Clients: Dopple, THE ONLY CO LLC

• Platform Expertise: Shopify, Magento, Adobe Commerce

How much do eCommerce development agencies charge for their services?

While ecommerce development charges in the USA vary greatly based on the project scope and complexity, most agencies offer transparent communication regarding their cost structure. A small online store can cost anywhere between $5,000 and $15,000, while enterprise ecommerce solutions can easily exceed $200,000. Pricing depends on features, platform, UI/UX design complexity, backend integrations, and support for ecommerce strategy.

Key cost factors:

• Platform Selection: Building on Shopify or WooCommerce is often cheaper than Adobe Commerce or Salesforce Commerce Cloud.

• Design and Development: Custom ecommerce designs and tailored development resources lead to higher costs.

• Number of Products & Pages: The more SKUs and CMS pages, the higher the cost.

• Third-party Integrations: CRM, ERP, inventory management, and marketing tools add to the overall pricing.

• Security & Compliance: High-security standards (SSL, PCI DSS) and performance optimization also influence cost.

• Hourly Rate: Most US-based ecommerce developers charge between $100 $200 per hour.

Overall, companies must plan for build, testing, deployment, and post-launch support as part of the total development process.

How do you choose the best eCommerce development agency for your eCommerce business?

With numerous options, selecting the right e-commerce development company can be overwhelming. However, certain markers can simplify your decision.

Key considerations:

• Technical Expertise: Assess their experience in ecommerce development services and platforms like Magento, Shopify, or Salesforce Commerce Cloud.

• Portfolio Strength: Review their past ecommerce projects to match your business requirements.

• Transparent Communication: Agencies that ensure clear updates, timelines, and collaborative workflows stand out.

• Post-Launch Support: Choose firms that offer continuous upgrades, performance monitoring, and scalability. It will help your business development teams to enhance user engagement and generate more business.

• Alignment with Business Objectives: Your ecommerce vision should align with their design and development approach.

Ultimately, choose a development company that understands both technology and business operations. You must also look for a company that offers a dedicated project manager for your project development. The company should also have a team with experience working with leading ecommerce platforms.

ClickPost: Streamlining your post-purchase operations

While ecommerce development agencies focus on building your digital storefront, ClickPost empowers your post-purchase journey. As a logistics intelligence platform, ClickPost integrates with multiple ecommerce platforms to enhance efficiency and customer satisfaction through post-order operations.

Key ClickPost Features:

• Multi-Carrier Integration Platform: Seamlessly connects your e-commerce store with top logistics partners.

• Returns & Exchanges: Simplifies reverse logistics and enhances customer retention.

• Carrier Allocation: Automates shipment assignments based on delivery zone and performance.

• AI Tracking: Real-time shipment visibility across channels.

• AI Notifications: Proactive customer communication on delays, dispatches, and deliveries.

• Reporting & Analytics: Actionable insights into logistics efficiency and customer engagement.

ClickPost transforms delivery management into a strategic advantage. Want to improve post-order experiences and drive repeat purchases? Book your demo with ClickPost today.

Conclusion: Digital stores deserve digital partners

In today’s fast-paced digital economy, choosing an ecommerce development company is not just about building a site. It is about finding a long-term partner who can transform your ecommerce vision into a scalable reality. These agencies bring together design and development skills, platform knowledge, and ecommerce integrations to support every stage of your growth.

Whether you are a startup launching your first online store or an enterprise migrating to Adobe Commerce, the right agency can make or break your digital transformation. Combine their technical expertise with platforms like ClickPost, and you create a full-cycle ecommerce engine ready for the future.