Not every eCommerce agency in the USA can handle your channel mix, scale, or customer expectations. Our directory helps you compare leading agencies based on their strategy, UX, and growth expertise.
Top 9 eCommerce Agencies in the United States
Discover the top 9 eCommerce agencies in the United States, renowned for their exceptional services and industry expertise. These agencies boast an impressive average rating of 4.9/5 and offer a wide range of services including marketing, design, development, strategy, and branding. With competitive pricing ranging from $30 to $150 per hour, they cater to diverse industries such as Technology, Education, Consumer Goods, Startups, Fortune 500s, Nonprofits, Banking, Healthcare, and eCommerce. Handpicked for their outstanding client reviews and proven track record, these agencies are your go-to partners for driving growth and innovation.
Renowned for crafting bespoke mobile apps, Suffescom Solutions Inc excels in delivering tailored solutions that drive digital transformation across diverse sectors.
5.0 ⭐
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Enhanced e-commerce platform for a Fortune 500 company, boosting sales by 30%.
Renowned for over 25 years of excellence in branding and user experience innovation.
4.8 ⭐
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Revamped Colorado Rafting's website, enhancing user engagement and online visibility.
Technology, Retail, Healthcare
Discover the Best US eCommerce Companies for Your Next B2B Project
64 Companies-Rankings updated: September 04, 2026
DesignRush vets eCommerce providers based on professional qualifications and verified client feedback to help you choose confidently. Some listings may include paid placements.
At Fracas Web3 Studio, we pride ourselves on our proactive approach to staying abreast of the latest developments in the Web3 space. By doing so, we enable our clients to be at the cutting edge of innovation, fostering a competitive edge in an ever-evolving digital landscape...
Wpweapons is a team of professional Wordpress developers. We create complex ecommerce websites.
Wpweapons is a team of professional Wordpress developers. We create complex ecommerce websites with endless functionalities in Woocommerce environment, supporting them and making updates time by time. We are specialized in building custom WordPress themes and plugins, plugin add-ons seamlessly blending...
AMG Digital Solutions LLC is a leading digital marketing agency in Chicago, specializing in innovative strategies to enhance your online presence. We offer comprehensive services including SEO, PPC advertising, social media management, content marketing, and web design. Contact us today to elevate your...
TecSmiths is based in Liverpool, TecSmiths is a leading SEO agency dedicated to helping businesses across the UK boost their online visibility and achieve sustainable growth...
Carbon Reprographics is a USA-based full-service digital marketing agency founded in 2011 and headquartered in Houston, Texas. We help small businesses, e-commerce brands, startups, and enterprises across the United States grow their online presence and generate consistent leads through data-driven SEO, PPC...
Extern Labs Scalable, Future-Ready Tech Solutions for Digital Growth.
Extern Labs delivers innovative IT solutions, specializing in software development, web applications, and tech integrations for businesses worldwide...
American Digital Agency is a professional web design and development company helping businesses build a strong online presence. We create modern, responsive, and conversion-focused websites tailored to each clients brand and goals...
Strategy + Storytelling + Design For Mission-driven Impact.
GLG Studio is a Black-owned creative strategy and communications studio based in Los Angeles and Oakland. We help mission-driven organizations and public-sector partners translate complex work into clear, culturally fluent campaigns that build trust and drive action. We blend stakeholder-informed strategy...
United Monks excels in helping businesses make the journey from ideation & strategy to project execution with a host of solutions like UI/UX, Mobile App Development, E-Commerce, Web & SaaS Applications, Social Media Marketing, Graphic Design, Content Strategy, Content Writing, Branding, and Cloud...
Design Premiers web designing and development experts will ensure that your website is search engine friendly, aesthetically appealing, and user friendly...
Webmob Software Solutions is a Swiss-based technology company specializing in blockchain, AI, and Web3 development. With 9+ years of experience and ISO-certified delivery, Webmob builds real-world asset tokenization platforms, conversational AI systems, DeFi solutions, and custom software for startups and...
Frequently Asked Questions About eCommerce Companies
What services do eCommerce development companies in the United States offer?
US eCommerce development companies typically offer:
Custom eCommerce website development: Builds storefronts, themes, and commerce functionality (catalog, pricing, promotions, checkout, customer accounts) plus required backend services.
Platform migration and re-platforming: Moves products, customers, orders, content, and SEO signals with testing and cutover planning to minimize downtime and revenue risk.
Custom eCommerce design: Creates brand-aligned UI/UX, information architecture, and conversion-focused user flows for product discovery, cart, and checkout.
Catalog setup and merchandising foundations: Includes product data modeling, category structure, search configuration, and tooling for merchandising and promotions.
Systems integration: Connect payments, tax/shipping, ERP/OMS/WMS, CRM, analytics, marketing automation, and other third-party tools.
Security and compliance: Implements security best practices like SSL/PCI compliance.
Maintenance and ongoing optimization: Provides ongoing updates, testing, and improvements, such as the page load speed and checkout flow, to improve success metrics and ensure the eCommerce store performs optimally.
What’s the difference between an eCommerce development company and an eCommerce marketing agency?
eCommerce development companies focus on building, optimizing, and maintaining the online store itself, while eCommerce marketing agencies typically concentrate on marketing, growth, and customer acquisition across channels.
Agency type
Primary focus
Typical deliverables
eCommerce development
Store architecture, performance, UX, and integrations
SEO, paid ads, social media, content, email marketing, branding
What kind of ROI can I expect from an eCommerce agency?
A well-developed and designed eCommerce store delivers an average ROI of 10%-30%.
However, the return on investment depends on your goals, platform type, target markets, business benchmarks, success metrics, and ongoing marketing strategies.
For instance, a Shopify fashion brand has an average conversion rate (CVR) of 1.6%-1.9%. But home electronics see higher returns at a CVR of 3%-3.6%, while the beauty and personal care sector experiences an average CVR of 6.5%-6.8%.
Here are the general global benchmarks of eCommerce store development and optimization:
Conversion rate: 1-2%
Average order value: $50-$100
Cost per click: Below $1
Cost per acquisition: Below $25
How long does it take to build an eCommerce website?
The time required to build an eCommerce website depends on scope, platform, content volume, and the number of integrations involved. Based on averaged industry timelines from established eCommerce projects, typical ranges are as follows:
Simple template-based stores usually take 4 to 8 weeks, covering discovery, light design customization, product setup, QA testing, and launch.
Mid-sized custom stores generally take 8 to 16 weeks, allowing time for custom UI/UX design, feature development, integrations, testing, and post-launch fixes.
Complex stores with integrations often require 4 to 6 months, as custom functionality, third-party systems, performance optimization, and extended QA increase build time.
Full migration projects typically take 8 to 20 weeks, depending on catalog size, data cleanup, SEO preservation, and parallel testing.
What platform should I choose for my eCommerce site?
The right eCommerce platform depends on your business size, customization needs, internal resources, and long-term growth plans.
Shopify is best for small to mid-sized businesses that want fast setup, reliable hosting, and an all-in-one solution with minimal technical overhead.
WooCommerce is best for content driven businesses that already use WordPress and need flexible customization with lower upfront costs.
Magento, also known as Adobe Commerce, is best for large or complex stores that require deep customization, advanced catalog management, and enterprise integrations.
BigCommerce is best for growing brands that want strong native features, multi-channel selling, and scalability without heavy custom development.
Headless commerce is best for brands that need maximum flexibility across web, mobile, and emerging channels while decoupling the frontend from the backend.
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