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.
| Agency Name | Why Hire Them | Client Rating | Hourly Rate | Top Client or Case Study | Top Industries |
| Digital Silk | Elevate your brand with custom websites that boost conversions and enhance SEO performance. | 4.9 ⭐ | $150 | Enhanced digital presence for SONY and Northwestern University. | Technology, Education, Consumer Goods |
| Goji Labs | Leverage Goji Labs' expertise in launching scalable digital products with strategic precision. | 5.0 ⭐ | $149 | Clients secured over $1B in funding post-launch. | Startups, Fortune 500s, Nonprofits |
| Suffescom Solutions Inc | Renowned for crafting bespoke mobile apps, Suffescom Solutions Inc excels in delivering tailored solutions that drive digital transformation across diverse sectors. | 5.0 ⭐ | Inquire | Enhanced e-commerce platform for a Fortune 500 company, boosting sales by 30%. | Banking, Healthcare, E-commerce |
| The Bureau Of Small Projects | Harness Fortune 500 expertise to elevate your brand and drive revenue growth. | 4.8 ⭐ | $150 | Revitalized Bill Nye's digital presence, boosting engagement and reach. | Small Business, Nonprofits, Startups |
| Web Loft Designs | Web Loft Designs excels in crafting custom websites that prioritize conversions, backed by robust digital marketing solutions. | 4.8 ⭐ | $55 | Developed scalable web apps for Fortune 500 engineering firms. | E-Commerce, Engineering and Construction, Non-Profit |
| FuturByte | FuturByte delivers innovative, scalable digital solutions with over a decade of proven expertise. | 4.8 ⭐ | $50 | Developed scalable app boosting efficiency in healthcare | Real Estate, Healthcare, Retail |
| Azumo | Choose Azumo for their strategic, high-quality software solutions trusted by industry giants like Facebook. | 4.9 ⭐ | $55 | Enhanced AI capabilities for Facebook with innovative solutions. | Technology, Healthcare, Advertising |
| Viacon | Partner with Viacon for cutting-edge digital solutions, trusted by enterprises and start-ups alike. | 4.8 ⭐ | $30 | Achieved 100+ successful digital deployments for diverse clients. | Information Technology, Digital Marketing, Software Development |
| Lounge Lizard | Renowned for over 25 years of excellence in branding and user experience innovation. | 4.8 ⭐ | Inquire | Revamped Colorado Rafting's website, enhancing user engagement and online visibility. | Technology, Retail, Healthcare |
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
Dallas design and web studio for established brands. We design and build brand sites, training platforms and custom tools end to end. Clients include Fortune 500 manufacturer ITW's automotive brands: Permatex, Fast Orange, Spray Nine, Versachem and Evercoat, reaching 1.4M+ people a year...
Top Services:
- Web Design
- UI/UX Design
- Product Design
- Branding
- WordPress Website Design
- Show more
- Location
- Dallas, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $250/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 6 Projects Listed
Adaptyve Digital helps growing businesses build custom software, AI solutions and workflow automations that solve real operational challenges. With 25+ years of experience, we provide senior technical expertise without the overhead of a traditional agency...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- Web Development
- eCommerce Development
- Show more
- Location
- Houston, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $1,000 - $10,000
The Office of Experience (OX) is a Chicago-based digital agency helping ambitious B2B companies outperform their peers. At the intersection of customer experience, marketing, and technology, OX unites strategy, design, and engineering to transform how companies connect with customers. Capabilities span B2B...
Top Services:
- Digital Strategy
- UI/UX Design
- eCommerce Development
- Web Design
- Digital Marketing
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $25,000 - $50,000
Local Social is a Palm Beach Gardens-based social media management agency handling strategy, on-site photo and video production, editing, captions, publishing, reporting and paid amplification. We work with local and regional businesses that want consistent, professional content without building an in-house...
Top Services:
- Video Production
- Digital Services
- Design Services
- Web Design
- eCommerce Development
- Show more
- Location
- Palm Beach Gardens, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
42connect is a full-service digital marketing company with offices in Cleveland and Denver. Backed by over two decades of experience, we deliver customized strategies across SEO, AI SEO, PPC, and Website Design & Development to drive real, measurable growth for your business...
Top Services:
- Digital Marketing
- SEO
- AEO
- PPC
- Web Design
- Show more
- Location
- Cleveland, Ohio
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Espresso Moon is a Houston custom software company that builds AI-enabled business applications, mobile apps, and cloud platforms for B2B clients, and hosts and supports everything it delivers. We also own and operate GageList, a calibration management SaaS with AI built into the product...
Top Services:
- AI Development
- Software Development
- Mobile App Development
- Software Testing
- UI/UX Design
- Show more
- Location
- Spring, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
Since 2010, Momentum has helped small and mid-sized businesses build stronger WordPress websites, improve SEO and paid search, and turn online visibility into leads, sales, and growth. Based in Shelby Township, we serve Michigan companies that need clear strategy and reliable execution...
Top Services:
- Web Design
- SEO
- Digital Marketing
- Web Development
- WordPress Website Design
- Show more
- Location
- Shelby, Michigan
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Our branding services comprise of logo design, brand messaging, and brand guidelines to ensure that your company is consistently represented across all channels. We also provide custom design services, including the creation of print collateral and social media graphics. Moreover, our commercial photography...
Top Services:
- Creative Services
- Branding
- Print Design
- Package Design
- Design Services
- Show more
- Location
- Oregon City, Oregon
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
SolutionBuilt is a website development company located in Marietta, GA, specializing in , Wordpres development & maintenance services. They offer cross-platform application development and design for web and mobile users. Their one-stop-shop approach covers design, development, and marketing needs...
Top Services:
- Web Development
- Web Design
- Digital Services
- UI/UX Design
- eCommerce Development
- Show more
- Location
- Marietta, Georgia
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $1,000 - $10,000
For over 30 years, Dynamic Digital has worked with B2B manufacturers and businesses. We provide custom websites, online SEO / AEO / and GEO visibility, scalable application development, and software integration services designed to help your organization grow. Eliminate manual work, cut costs, and scale your...
Top Services:
- Web Design
- Web Development
- eCommerce Development
- WordPress Website Design
- UI/UX Design
- Show more
- Location
- Willow Grove, Pennsylvania
- Number of Employees
- Under 49
- Average Hourly Rate
- $135/hr
- Minimal Budget
- $1,000 - $10,000
Waveo is an AI product studio in Irvine, CA. We design, build, and ship production AI for operations-heavy companies without an in-house AI team: AI agents and automation, computer vision, digital twins and IoT, and predictive AI. Idea to production in weeks. Real engineering, not no-code. Clients own the...
Top Services:
- AI Development
- Software Development
- IoT
- Mobile App Development
- Big Data Analytics
- Show more
- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
The Conklin Group is a senior-level Microsoft and AI development team based in Prosper, TX, serving Dallas-Fort Worth and B2B clients nationwide since 2002. We build custom .NET/Azure systems and integrate Anthropic Claude into production applications no junior bench, no account managers relaying messages...
Top Services:
- Web Development
- ERP Consulting
- eCommerce Development
- IoT
- AI Development
- Show more
- Location
- Prosper, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
We help established businesses identify whats limiting growth, prioritize what matters, and make focused improvements across strategy, technology, marketing, and operations...
Top Services:
- Web Design
- Web Development
- eCommerce Development
- WordPress Website Design
- Digital Marketing
- Show more
- Location
- Houston, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $120/hr
- Minimal Budget
- $1,000 - $10,000
Discover the story behind the ScatterBranch name, the values that shape the work, and the mission to help independent small and mid-sized businesses thrive online with confidence. The primary goal of ScatterBranch Digital Marketing is to help small and mid-sized businesses expand their online presence and...
Top Services:
- Web Design
- Digital Marketing
- SEO
- PPC
- eCommerce Development
- Show more
- Location
- Commerce, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
Alexander Online Media is a results-driven web design and digital marketing agency based in the Atlanta area. We specialize in building custom, high-performance websites and implementing powerful SEO strategies tailored to your unique business goals. Our mission is simple: to redefine your online presence...
Top Services:
- WordPress Website Design
- Web Development
- eCommerce Development
- Software Development
- Web Design
- Show more
- Location
- Douglasville, Georgia
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
I design and build custom WordPress websites, WooCommerce stores and plugins in Louisville, Kentucky. Since 2000, I have helped businesses with redesigns, repairs, integrations, hosting and SEO. You work directly with the person who builds and maintains your site...
Top Services:
- Web Design
- WordPress Website Design
- Web Development
- eCommerce Development
- SEO
- Show more
- Location
- Louisville, Kentucky
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Portfolios Count
- 3 Projects Listed
Better Web Management turns websites from static marketing assets into actively managed business systems. We sit in the space between a traditional web agency, an IT partner, and an AI automation company. Rather than treating design, hosting, SEO, analytics, automation, and AI as separate services, we connect...
Top Services:
- WordPress Website Design
- eCommerce Development
- Web Development
- Web Design
- Digital Services
- Show more
- Location
- Tempe, Arizona
- Number of Employees
- Under 49
- Average Hourly Rate
- $85/hr
- Minimal Budget
- $1,000 - $10,000
SMK Ventures is an India-based IT services company delivering modern web development, custom software solutions, API development, and digital solutions for businesses worldwide. We focus on reliable, scalable, and cost-effective technology tailored to each clients needs...
Top Services:
- Digital Services
- Graphic Design
- Web Development
- Web Design
- UI/UX Design
- Show more
- Location
- Texas, Kentucky
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Boca Raton web design and SEO company that has served South Florida businesses since 2015. We build fast, custom WordPress websites and then do the work that gets them found: SEO, local SEO, Google Business Profile management and Google Ads. Our team runs its own online store, so we build for leads and sales...
Top Services:
- Web Design
- eCommerce Development
- Web Development
- WordPress Website Design
- SEO
- Show more
- Location
- Boca Raton, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 4 Projects Listed
Masthead Technology builds websites for construction companies, contractors, engineers, and developers, with a focus on website design, WordPress support, project portfolio systems, SEO, lead generation, and recruiting...
Top Services:
- WordPress Website Design
- Web Development
- eCommerce Development
- Web Design
- SEO
- Show more
- Location
- Boston, Massachusetts
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $1,000 - $10,000
HLP Studios is a creative technology studio helping brands turn products, ideas, and digital needs into high-quality visuals, websites, apps, animations, and custom software solutions...
Top Services:
- Digital Services
- Creative Services
- eCommerce Development
- Web Development
- Mobile App Development
- Show more
- Location
- St. Petersburg, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $1,000 - $10,000
ACHVA Digital is an AI-native software studio that helps SMBs and funded founders cut out manual busywork and ship products that actually hold up in production. Rather than selling pilots or billing by the hour, they diagnose your real bottleneck firstthen build fixed-bid solutions in weeks, not months...
Top Services:
- CRM Consulting
- IT Services
- IT Compliance Solution
- AI Development
- Mobile App Development
- Show more
- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $10,000 - $25,000
Octal Digital is a leading software development firm specializing in mobile apps, web solutions, eCommerce, cloud and AI. We combine creativity with cutting-edge tech to assist businesses in their growth, optimization, and realization of their digital aspirations. Trusted by clients worldwide...
Top Services:
- Mobile App Development
- AI Development
- Software Development
- DevOps Consulting
- Cloud Consulting
- Show more
- Location
- Houston, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
E2M delivers white-label website development, digital marketing, PPC, and AI services you need, and the premium experience your digital agency deserves. World-class strategy and execution for digital agencies who refuse to compromise...
Top Services:
- Web Design
- SEO
- Content Marketing
- Web Development
- Digital Marketing
- Show more
- Location
- Denver, Colorado
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
We empower businesses / non-profits / communities with powerful technology solutions that shape their future...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- eCommerce Development
- Blockchain
- Show more
- Location
- Bakersfield, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Envascale is a results-focused digital agency helping businesses build stronger brands and grow online. We specialize in website design and development, eCommerce, branding, SEO, and digital marketing. From a polished online presence to conversion-focused digital experiences, we combine creative design with...
Top Services:
- Web Design
- Web Development
- eCommerce Development
- WordPress Website Design
- Branding
- Show more
- Location
- Austin, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Intuz is an AI development company with 16+ years of enterprise delivery: 700+ products built, 54+ AI systems live in production today. AWS Consulting Partner and a Clutch Top Generative AI Company in 2026. Startups to Fortune 500s hire us when AI has to work on day 400, not just in the demo...
Top Services:
- AI Development
- Software Development
- IoT
- Mobile App Development
- eCommerce Development
- Show more
- Location
- San Ramon, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
Nitriam is an Orlando based product design and manufacturing studio helping inventors, startups, and small businesses bring physical products to life. Instead of juggling a separate designer, prototyping shop, and overseas factory, clients work with one team from first sketch to finished product. Everything...
Top Services:
- Design Services
- Product Design
- eCommerce Development
- Web Development
- WordPress Website Design
- Show more
- Location
- Orlando, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
Techforce Global: Your partner for government custom software development, React Native development and more. Offering comprehensive services across industries with a global presence and a focus on scalable, intelligent solutions...
Top Services:
- Software Development
- Web Development
- Mobile App Development
- IT Services
- Cloud Consulting
- Show more
- Location
- Naperville, Illinois
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $26/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 20 Projects Listed
Magneto IT Solutions
VerifiedVerified by the DesignRush team for authenticity and credibility.Magneto IT Solutions, a 15-year eCommerce specialist, develops solutions on Magento and Shopify Plus. The firm has launched 400+ stores and powered over $15B in client revenue. The agency suits B2C, D2C, and B2B brands needing enterprise-scale builds...
Top Services:
- Branding
- AEO
- AI Development
- CRM Consulting
- ERP Consulting
- Show more
- Location
- Texas City, Texas
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 50 Projects Listed
Vserve Ebusiness Solutions
VerifiedVerified by the DesignRush team for authenticity and credibility.Vserve delivers end-to-end Ecommerce back-office outsourcing services through dedicated offshore teams that seamlessly integrate with your operations. We support product catalog management, order processing, inventory management, marketplace operations, customer support, and data management, helping...
Top Services:
- Logistics
- Accounting
- eCommerce Development
- BPO
- Call Centers
- Show more
- Location
- New York City, New York
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Auspicious Soft is a USA-based custom software, web & mobile app development company with 8+ years of experience serving startups, SMEs & enterprises across healthcare, fintech, logistics & more...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- Blockchain
- AI Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
FRPROTECH is a full-service branding, design, and web development studio for ambitious brands that want to stand out. With 8+ years' experience and 3,000+ projects across 30+ countries, we partner with startups, businesses, and agencies worldwide turning ideas into polished, conversion-focused websites and...
Top Services:
- Branding
- Logo Design
- Product Design
- Package Design
- Web Design
- Show more
- Location
- Florida City, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Powercret is a Microsoft consulting and implementation partner helping businesses accelerate digital transformation. We specialize in Dynamics 365, Power Platform, AI & Copilot, Microsoft Azure, and SharePoint & M365. From CRM and ERP implementation to managed support and staff augmentation, we deliver...
Top Services:
- CRM Consulting
- ERP Consulting
- IT Services
- Web Development
- Web Design
- Show more
- Location
- Dover, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
WanderCode helps businesses build reliable digital products through AI development, web and mobile app development, UI/UX design, DevOps, software QA, and product development. We focus on practical solutions that solve real business problems, improve workflows, and support long-term growth...
Top Services:
- eCommerce Development
- AI Development
- Mobile App Development
- Software Development
- Software Testing
- Show more
- Location
- Sheridan, Wyoming
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
The Designers Directory is a Denver-area design and growth agency. We build websites, brandidentities and the Meta and Google campaigns that drive traffic to them, as one accountablesystem rather than three separate vendors. Over 250 projects delivered and $10 million inmanaged ad spend since 2019...
Top Services:
- Graphic Design
- Logo Design
- Branding
- Digital Services
- Web Design
- Show more
- Location
- Denver, Colorado
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
PrintDeed is a specialized digital growth partner serving commercial printers, trade printers, print shops and packaging companies across the USA, Canada & Australia. We help printing businesses streamline the operations, improve customers experience and drives sustainable growth. Every solution is tailored...
Top Services:
- Digital Strategy
- Web Development
- eCommerce Development
- AEO
- Digital Services
- Show more
- Location
- Beachwood, Ohio
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Ads Web Media helps Kansas City and Overland Park businesses improve the path from search to inquiry. We provide SEO, website design and development, Google Ads, paid social, apps, and custom software with clear scope, practical communication, and direct contact with the team doing the work...
Top Services:
- Web Design
- SEO
- Web Development
- eCommerce Development
- WordPress Website Design
- Show more
- Location
- Overland Park, Kansas
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
Astound Edge Creative is a Mooresville, NC digital marketing agency offering SEO, social media, paid ads, and web design and development. Call 980-536-0134...
Top Services:
- Digital Services
- Web Design
- eCommerce Development
- WordPress Website Design
- Web Development
- Show more
- Location
- Mooresville, North Carolina
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
eCommerce Development Companies by City
eCommerce Development Companies by State
eCommerce Development Specializations in the US
Popular Services
Hiring Guide: How to Choose the Top eCommerce Agency in the US
What can the top eCommerce development companies in the US do for businesses?
Top eCommerce companies in the US help businesses build scalable, high-performing online stores that are designed to grow revenue while reducing operational complexity.
They improve user experience and site performance, which directly supports higher conversion rates, faster load times, and better checkout completion.
These agencies also structure product catalogs and backend systems, so businesses can manage larger inventories without friction.
The result is a measurable impact across key KPIs such as higher average order value, lower customer acquisition cost, improved retention, and reduced return rates, allowing teams to scale efficiently without increasing overhead.
According to industry research, eCommerce will account for 22.6% of all global retail purchases by 2027.
Moreover, 63% of consumers will buy directly from a business website, showing that an effectively developed eCommerce platform is a potential growth driver for many brands.
In fact, eCommerce websites can boost conversion rates by over 35%.
What's the cost of hiring eCommerce development agencies in the United States?
The costs of hiring an eCommerce agency range from $100-$200 per hour or $25,000-$250,000+ per project for comprehensive end-to-end development.
The final price will depend on platform type, store complexity, customization level, number of pages, core features and functions, integration and security requirements, and service scope.
Here is a more detailed pricing breakdown:
| Project Type | Estimated Cost | What is Included |
| Simple store development | $5,000-$20,000 |
|
| Mid-sized build | $25,000-$80,000 |
|
| Headless eCommerce | $30,000-$50,000 |
|
| Enterprise build | $100,000-$250,000+ |
|
What is the typical process when working with an eCommerce agency?
Most eCommerce agencies follow a structured workflow designed to reduce risk and deliver predictable outcomes from planning through optimization. Here are the typical process and approximate timeframes of an agency:
- Research and discovery (2-4 weeks): The agency learns about business goals, customers, competitors, KPIs, technical requirements, and project scope. Deliverables typically include a discovery summary, high-level recommendations, a detailed scope, timeline, and cost estimate.
- UX and UI design (4-6 weeks): User journeys, wireframes, and visual designs are created to optimize conversion and usability. Deliverables include wireframes, design mockups, and design system components.
- Development (8-20+ weeks): The store is built on the chosen platform with custom features, configurations, and system integrations. Clients usually get access to a staging site, system documentation, validated data imports, and regular progress updates.
- QA and testing (2-4 weeks): The site is tested for functionality, performance, security, and cross-device compatibility. Clients receive a test plan, bug reports, and fixes prior to launch.
- Launch (1-2 weeks): The site goes live following final checks and deployment. Deliverables include launch checklists and go-live confirmation.
- Post-launch support and optimization (ongoing): Agencies monitor performance, fix issues, and improve conversions. Ongoing deliverables may include reports, optimization recommendations, and maintenance documentation.
What common mistakes should I avoid when hiring an eCommerce development company?
Common mistakes to avoid when hiring an eCommerce agency include:
- Choosing based on visuals only: A polished design does not guarantee strong performance, scalability, or code quality. Instead, look for companies that have driven measurable business outcomes for clients and have strong development experience as well as design skills.
- Not defining scope, goals, and KPIs: Unclear requirements often lead to missed deadlines, budget overruns, and misaligned expectations. As such, it is best to specify your target customers, tech stack, core features and functions, key success metrics, business goals, budget constraints, and project timeline.
- Ignoring platform expertise and migration risk: Lack of experience with your platform and industry can result in data loss, noncompliance, or prolonged operational downtime.
- Overlooking QA testing and post-launch support: Insufficient testing increases the risk of checkout failures, bugs, security vulnerabilities, and customer frustration.
- Not clarifying ownership of code, themes, and accounts: Unclear ownership can limit flexibility and create long-term dependence on the agency. It can also inflate costs as the project becomes increasingly unscalable.
What questions should I ask eCommerce development agencies in the United States before hiring one?
Use the checklist below to evaluate technical fit, delivery capability, and long-term partnership readiness when hiring an eCommerce agency in the United States.
Relevant Background
- Which eCommerce platforms do you specialize in, and how many projects have you delivered on each?
- What post-launch support, optimization, and maintenance options do you offer?
- Can you provide references or case studies from similar US-based eCommerce projects?
Services and Processes
- What does your end-to-end development process look like from discovery to launch?
- What experience do you have with store migrations and SEO preservation?
- What QA and testing steps do you complete before launch?
- How do you handle custom features, integrations, and scalability requirements?
Related to Your Project
- How do you define scope, timelines, and success metrics at the start of a project?
- How do you assess whether a platform is the right fit for our business size and growth plans?
- How do you manage communication, progress reporting, and change requests?
- Who owns the code, themes, data, and platform accounts after project completion?
Sources
DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:
- Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
- The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.
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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 | Website builds, platform setup, custom features, checkout optimization, integrations, migrations, maintenance |
| eCommerce marketing | Marketing strategy and demand generation | 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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