TopFirms REVIEWER

Top E-Commerce Development Companies

Building robust, scalable online stores, multi-vendor marketplaces, B2B portals, and custom e-commerce platforms with advanced features including secure payment gateways, inventory management, order tracking, personalized recommendations, shipping integrations, and high-conversion checkout flows.

21 companies found

11
League Design Agency

League Design Agency

Verified

League Design Agency is a New York-based creative and digital firm founded in 2016, providing e-commerce development services — including custom online store design and development, product page UX, and brand-aligned e-commerce platforms — for businesses seeking to sell effectively online with a distinctive, well-designed digital storefront. With a 50–249-person team, an hourly rate of $50–99, and 100% positive reviews, League combines its brand identity and design expertise with e-commerce development capability to deliver online stores that are visually compelling, user-friendly, and built for conversion. Clients value the team for project management quality, creative excellence, and e-commerce products that reflect strong brand identity and support business growth.

5.0 (10)
E-Commerce Development Logo Design Web Design +3
Min. project
$10,000+
Hourly
$50 - $99
Team
50-249
Location
New York, NY, United States
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12
Agency atQuo

Agency atQuo

Verified

Agency atQuo is a New York-based creative agency founded in 2012, providing e-commerce development services — including custom online store design and development, product page UX, and e-commerce platform implementation — for businesses seeking brand-aligned, conversion-optimized online retail experiences. With a 2–9-person team, an hourly rate of $100–149, and approximately 100% positive client feedback, Agency atQuo delivers e-commerce development as an integrated part of a creative design and digital strategy approach — ensuring online stores are visually distinctive, user-friendly, and built for commercial performance. Clients value the team for proactive project management, clear communication, and e-commerce solutions that are professionally crafted and reliably delivered.

5.0 (10)
E-Commerce Development UX/UI Design Web Design +2
Min. project
$5,000+
Hourly
$100 - $149
Team
2-9
Location
New York, NY
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13
True Market

True Market

Verified

True Market is a strategic brand and design agency established over 11 years ago in Calgary, Alberta and has a 100% Canadian team specializing in high complexity branding and web projects. The team creates ecommerce platforms and websites that vary from $300K online platforms to targeted single-page sites, deploying a data-driven, hands-on approach, that has been proven to maximize conversions and ROI through hundreds of engagements with clients. True Market has a proven track record of working on big projects that many agencies are reluctant to touch with clients seeing results that are measurable across various industries including CPG, retail, energy and construction.

5.0 (10)
E-Commerce Development Web Design Branding +3
Min. project
$5,000+
Hourly
$100 - $149
Team
2-9
Location
Calgary, Canada
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14
Duxica

Duxica

Verified

Established in 2015, Duxica is a digital company based in Coquitlam, Canada that offers e-commerce development services for businesses looking to effectively sell online using a design-led digital storefront, including online store design and development, product page optimization and brand-aligned e-commerce platforms. Duxica's team size is 10-49, and their average hourly rate ranges from $50 to $99, with a client satisfaction rate of 100%, which means that the ecommerce development services they offer are both visually captivating and user-friendly, while also being conversion optimized. Clients appreciate professionalism, timely delivery and products from the ecommerce team that really demonstrate good creative quality and measurable commercial success

5.0 (8)
E-Commerce Development Product Design Low/No Code Development +7
Min. project
$5,000+
Hourly
$50 - $99
Team
10-49
Location
Coquitlam, Canada
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15
LookFar Labs

LookFar Labs

Verified

Founded in 2009 in New Orleans, Louisiana, LookFar Labs is a technology company that offers e-commerce development solutions, such as custom online store development, e-commerce platform integration and digital storefront design services to businesses looking for innovative, efficient e-commerce solutions from a cooperative technology partner. LookFar Labs is an organized, timely, and collaborative e-commerce development team with a 10–49 person staff and 100% positive client reviews, for all its product and software development endeavors. The company is known for its responsiveness, ability to meet business goals and development of e-commerce solutions that deliver high quality functional online stores that are exactly suited to client commercial needs.

4.9 (10)
E-Commerce Development Product Design Software Development +5
Min. project
$50,000+
Hourly
$100 - $149
Team
10-49
Location
New Orleans, LA
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16
Code District

Code District

Verified

Since its inception in 2015, Code District has been a technology company based in DC, offering e-commerce development services for businesses looking for reliable, well-managed e-commerce solutions, such as custom online store development, e-commerce platform integration and CRM connected digital storefronts. An e-commerce development team of 250–999 persons, the hourly rate of $25–49, and the 100% positive reviews make this a software development firm that meets the criteria for building e-commerce systems that are technically sound, user-friendly and, above all, scalable for the future. The company is known for being professional, communicating well and offering e-commerce solutions that are innovative, production and business ready.

5.0 (10)
E-Commerce Development Product Design AI Development +7
Min. project
$10,000+
Hourly
$25 - $49
Team
250-999
Location
Washington, DC
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17
Webalize

Webalize

Verified

Webalize is a software and web based company in Warsaw, Poland, offering e-commerce development as a service such as custom online store development, e-commerce platform integration, UX optimized digital storefronts and so on, that are helping businesses to sell effectively online on a well-built, professionally designed E-commerce presence. Webalize boasts a team of 100–499 people, an hourly rate of $25–49, and 100% positive client reviews, making an e-commerce developer service with Webalize strong in problem-solving, attention to detail, and design thinking, which helps ensure technically sound and user-friendly online stores. The company is known for its professionalism, flexibility, communication, and ecommerce solutions which help clients grow their businesses and engage customers.

5.0 (10)
E-Commerce Development Product Design Web Development +3
Min. project
$5,000+
Hourly
$25 - $49
Team
10-49
Location
Warszawa, Poland
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18
Spiral Scout

Spiral Scout

Verified

Spiral Scout offers E-Commerce Development services to build secure, scalable, high-performance online stores for businesses according to its industry and customer base. They take care of everything from platform selection, custom features, payment integration, inventory control, and performance optimization and ensure a seamless shopping journey across devices. Regardless of whether it's a new storefront or an upgrade to an existing platform, Spiral Scout is dedicated to features that drive growth, including the ability to manage traffic surges and connect with third-party tools and analytics. Ideal for companies needing to get their new e-commerce stores off the ground or boost conversion rates on their existing e-commerce sites. Clients appreciate a highly technically proficient team that can provide them with dependable revenue-generating online shopping experiences.

5.0 (10)
E-Commerce Development AI Agents AI Development +3
Min. project
$10,000+
Hourly
$50 - $99
Team
50-249
Location
San Francisco, CA
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19
*instinctools

*instinctools

Verified

Having a team of 250-999 people, an hourly rate of $25-49 and over 90% positive reviews, *instuctools offers e-commerce development services, enabling businesses to access technically advanced e-commerce solutions, with the same flexibility, timely delivery, and project management that they appreciate in their software and AI projects. Clients appreciate the company's technical expertise, cultural fit, and e-commerce development, which results in a reliable and scalable online retail experience.

5.0 (10)
E-Commerce Development Software Development Web Development +6
Min. project
$10,000+
Hourly
$25 - $49
Team
250-999
Location
Stuttgart, Germany
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20
BrainX Technologies

BrainX Technologies

Curate a seamless online shopping experience with our Ecommerce website development services. We create high-converting, user-friendly, and secure online stores that meet your unique business requirements. Let us help you maximize your returns!

0.0 (0)
E-Commerce Development AI Development Mobile App Development +2
Min. project
$5,000+
Hourly
$50 - $99
Team
50-249
Location
2035 Sunset Lake Rd, Ste B2 Newark, DE
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Got Questions

Frequently asked questions

What is e-commerce development?

Building online stores with features like product catalogs, shopping carts, payments, user accounts, and admin dashboards for managing sales.

Why choose custom e-commerce development over platforms like Shopify?

For unique features, better scalability, custom integrations, or branding — ideal when ready-made solutions limit your vision.

How long does e-commerce development take?

Basic stores take 3–6 months; advanced marketplaces often 6–12 months.

What is the typical cost for e-commerce development?

Simple sites range from $20,000–$80,000; complex platforms commonly cost $100,000–$400,000+.

Can e-commerce sites handle high traffic?

Yes — built with scalable architecture, caching, and cloud hosting to manage sales peaks without crashes.

Does it include mobile optimization?

Yes — responsive design ensures seamless shopping on phones, where most e-commerce traffic comes from.

What about payment and security?

Integrated with gateways like Stripe or PayPal, plus PCI compliance, SSL, and fraud detection for safe transactions.

How do you track sales and performance?

Built-in analytics for sales reports, abandoned carts, customer behavior, and integration with tools like Google Analytics.