Top 40 E-Commerce Development Companies in St. Louis
The Best of July 2025Looking for a top e-commerce development company in St. Louis?
As the world embraces technology, companies dive into the vast and competitive e-commerce market. Whether we admit it or not, e-commerce is the current and the future of businesses around the world. There are a lot of major players in the multi-billion dollar industry, and year-over-year, it continues to grow.
There are different types of e-commerce businesses which include B2B, B2C, M-Commerce, and F-Commerce. Despite its popularity, research shows that it’s not easy to make it in the e-commerce industry. Countless companies try to follow the success of massive e-commerce giants but before that, you will need to have a great website that can showcase your products and services. e-commerce developers can help you grow your business by developing a reliable and user-friendly platform.
To assist you in your search for a partner, we’ve compiled this list of the top e-commerce developers in St. Louis. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best St. Louis E-Commerce Development Firms
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1$5,000+2 - 9 employeesSt. Louis, MORead More
Digital Radium is a high-end software development company founded in 2020 in St. Louis, Missouri. With about 3 employees on board, they offer web development, mobile app development, and e-commerce development to small and medium-sized businesses across several industries, the main ones being business services, manufacturing, and financial.
Clients
STL PolyjackIndustries
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2Undisclosed10 - 49 employeesSt. Louis, MORead More
Roundedcube is a digital agency based in St. Louis, Missouri, with a satellite office in Houston, Texas. Founded in 2002, Roundedcube's team of about 10 employees specialize in web development and web design services.
Clients
SeaWorld Parks & EntertainmentIndustries
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3$10,000+10 - 49 employeesBrentwood, MOSteadyRain, a Digital Strategy company, was established in 1999. Their small team is located in Brentwood, Missouri and offers Digital Strategy, Search Engine Optimization, Custom Software Development, Web Development, and more.Read More
Clients
Build-a-Bear WorkshopIndustries
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4$1,000+2 - 9 employeesSt. Louis, MORead More
PC40 Interactive is a St. Louis, Missouri-based e-commerce development company. The small team focuses on e-commerce development, web development, custom software development, mobile app development, and more and was established in 2006.
Industries
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5Undisclosed250 - 999 employeesSaint Ann, MOCustomer Direct, a call center company, was established in 1997. They provides Call Center Services and E-Commerce Development.Read More
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6$5,000+2 - 9 employeesSt. Louis, MOVIVIDSITES is a web design agency. The St. Louis, Missouri-based agency was launched in 1999. The small team offers Web Design, Web Development, E-Commerce Development, UX/UI Design, and more.Read More
Clients
ReebokIndustries
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7$10,000+2 - 9 employeesChesterfield, MORead More
Established in 2015, Studio Seagraves is a small web design company headquartered in Chesterfield, Missouri. Their services include web design, e-commerce development, and web development.
Industries
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8$5,000+2 - 9 employeesFenton, MOThreeDark is a small web design company. They focus on Web Design, Web Development, UX/UI Design, and E-Commerce Development and were founded in 2022.Read More
Clients
Waterfall Glen Soap Company Rollicking Buckaroo Pepper Jam and Seasoning Blends MLK Construction Winston & Faith Baking Co.Industries
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9$10,000+2 - 9 employeesSt. Louis, MOBrevity is a website development company. The team provides Web Development and E-Commerce Development and is located in St. Louis, Missouri.Read More
Industries
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10$5,000+10 - 49 employeesSt. Louis, MOBlue Stingray is a St. Louis, Missouri-based cloud consulting & SI company. They focus on cloud consulting & SI and E-Commerce Development and were founded in 2009.Read More
Clients
Battery Handling Systems -
11$5,000+250 - 999 employeesSt. Louis, MOHLK is a branding agency. They are based in St. Louis, Missouri and Denver, Colorado, and their services include Branding and Event Marketing.Read More
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12$10,000+50 - 249 employeesSt. Louis, MOWe Are Alexander, a branding agency, focuses on Branding and Public Relations. The firm is based in St. Louis, Missouri.Read More
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13Undisclosed50 - 249 employeesSt. Louis, MOCEdge Inc. Is a midsize IT strategy consulting company launched in 2004. Their team focuses on IT strategy consulting and cloud consulting & SI.Read More
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14Undisclosed10 - 49 employeesSt. Louis, MOIntegrity Web Consulting is a custom software development company. The St. Louis, Missouri-based company was founded in 2000. Their team provides Custom Software Development and Web Development.Read More
Clients
Cornerstone Insurance Group -
15$10,000+10 - 49 employeesOlivette, MOFalk Harrison is a branding agency. Their small team is headquartered in Olivette, Missouri. Their services include Branding and Graphic Design.Read More
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16$1,000+10 - 49 employeesBelleville, ILBusiness Consulting company Konect360 was founded in 2016. The team focuses on Business Consulting and Marketing Strategy.Read More
Industries
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17Undisclosed50 - 249 employeesSt. Louis, MOTechlon Digital, a branding firm, was established in 2025. The midsize team focuses on Branding and Search Engine Optimization.Read More
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18$5,000+2 - 9 employeesSt. Louis, MO314media, a small web design agency, is headquartered in St. Louis, Missouri. Their services include Web Design and UX/UI Design.Read More
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19Undisclosed2 - 9 employeesSt. Louis, MOLelander is an user experience agency. The St. Louis, Missouri-based company was launched in 2010. Their services include UX/UI Design and Custom Software Development.Read More
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20Undisclosed2 - 9 employeesSt. Louis, MOSocial media marketing agency imagineSTL is located in St. Louis, Missouri. They focus on Social Media Marketing and Video Production and were launched in 2021.Read More
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21$1,000+10 - 49 employeesChesterfield, MOHinj Social is a branding company launched in 2018. The small team specializes in Branding and Social Media Marketing.Read More
Industries
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22$1,000+2 - 9 employeesLake Saint Louis, MOEstablished in 2021, Gardiner Web Development, LLC is a web development firm. The team provides Web Development and E-Commerce Development and is in Lake Saint Louis, Missouri.Read More
Industries
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23Undisclosed50 - 249 employeesChesterfield, MOTDK Technologies, a midsize web design agency, is headquartered in Chesterfield, Missouri. Their services include Web Design and UX/UI Design.Read More
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24$5,000+10 - 49 employeesSt. Louis, MOLaunched in 1995, Habanero is a SEO company. Their services include Search Engine Optimization and Web Design.Read More
Clients
Sweetology -
25Undisclosed10 - 49 employeesBallwin, MOBased in Ballwin, Missouri, BitCodeUSA is a small Advertising company. The team offers Advertising and Branding.Read More
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26Undisclosed2 - 9 employeesSt. Louis, MOIn St. Louis, Missouri, Shortcut Solutions is a SEO company. Their services include Search Engine Optimization and Web Design.Read More
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27$1,000+2 - 9 employeesSaint Charles, MOLaunched in 2023, Logleb Solutions, a small web design agency, is headquartered in Saint Charles, Missouri. Their services include Web Design and Web Development.Read More
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28Undisclosed10 - 49 employeesFreeburg, ILExpress Design Group, Inc. Is a graphic design company. They provide Graphic Design and Print Design and were founded in 1999. The company is in Freeburg, Illinois.Read More
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29Undisclosed10 - 49 employeesCottleville, MOTurn The Page National is a social media marketing firm. In Cottleville, Missouri, the company was founded in 2010. Their team offers Social Media Marketing and Search Engine Optimization.Read More
Industries
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30Undisclosed2 - 9 employeesO'Fallon, MOHays Digital Marketing is a SEO company. The team is in O'Fallon, Missouri, and their services include Search Engine Optimization and Pay Per Click.Read More
Industries
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