Top 40 E-Commerce Development Companies in St. Louis

Need Help Selecting a Company?
Directory image

Top 40 E-Commerce Development Companies in St. Louis

The Best of July 2025

Looking 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. 

List of the Best St. Louis E-Commerce Development Firms

  • 1
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    St. Louis, MO

    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.

    Read More

    Clients

    STL Polyjack

    Industries

  • Get connected with a company for free

    Tell us about your project, and we'll match you with vetted companies that meet your requirements.

    Get Started
  • 2
    (2 Reviews) 4.5

    Timeliness

    4.5

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    4.5
    Undisclosed
    10 - 49 employees
    St. Louis, MO

    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. 

    Read More

    Clients

    SeaWorld Parks & Entertainment

    Industries

  • 3
    (6 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.3

    Value

    4.3

    Would Recommend

    4.8
    $10,000+
    10 - 49 employees
    Brentwood, MO
    SteadyRain, 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 Workshop

    Industries

  • 4
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    St. Louis, MO

    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.

    Read More

    Industries

  • 5
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Saint Ann, MO
    Customer Direct, a call center company, was established in 1997. They provides Call Center Services and E-Commerce Development.
    Read More
  • 6
    (8 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    St. Louis, MO
    VIVIDSITES 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

    Reebok

    Industries

  • 7
    (8 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    2 - 9 employees
    Chesterfield, MO

    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.

    Read More

    Industries

  • 8
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Fenton, MO
    ThreeDark 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

  • 9
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    2 - 9 employees
    St. Louis, MO
    Brevity is a website development company. The team provides Web Development and E-Commerce Development and is located in St. Louis, Missouri.
    Read More

    Industries

  • 10
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    St. Louis, MO
    Blue 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
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    St. Louis, MO
    HLK is a branding agency. They are based in St. Louis, Missouri and Denver, Colorado, and their services include Branding and Event Marketing.
    Read More
  • 12
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    St. Louis, MO
    We Are Alexander, a branding agency, focuses on Branding and Public Relations. The firm is based in St. Louis, Missouri.
    Read More
  • 13
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    St. Louis, MO
    CEdge Inc. Is a midsize IT strategy consulting company launched in 2004. Their team focuses on IT strategy consulting and cloud consulting & SI.
    Read More
  • 14
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    St. Louis, MO
    Integrity 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
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Olivette, MO
    Falk Harrison is a branding agency. Their small team is headquartered in Olivette, Missouri. Their services include Branding and Graphic Design.
    Read More
  • 16
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Belleville, IL
    Business Consulting company Konect360 was founded in 2016. The team focuses on Business Consulting and Marketing Strategy.
    Read More

    Industries

  • 17
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    St. Louis, MO
    Techlon Digital, a branding firm, was established in 2025. The midsize team focuses on Branding and Search Engine Optimization.
    Read More
  • 18
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    St. Louis, MO
    314media, a small web design agency, is headquartered in St. Louis, Missouri. Their services include Web Design and UX/UI Design.
    Read More
  • 19
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    St. Louis, MO
    Lelander 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
  • 20
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    St. Louis, MO
    Social 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
  • 21
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Chesterfield, MO
    Hinj Social is a branding company launched in 2018. The small team specializes in Branding and Social Media Marketing.
    Read More

    Industries

  • 22
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Lake Saint Louis, MO
    Established 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

  • 23
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Chesterfield, MO
    TDK Technologies, a midsize web design agency, is headquartered in Chesterfield, Missouri. Their services include Web Design and UX/UI Design.
    Read More
  • 24
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    St. Louis, MO
    Launched in 1995, Habanero is a SEO company. Their services include Search Engine Optimization and Web Design.
    Read More

    Clients

    Sweetology
  • 25
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Ballwin, MO
    Based in Ballwin, Missouri, BitCodeUSA is a small Advertising company. The team offers Advertising and Branding.
    Read More
  • 26
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    St. Louis, MO
    In St. Louis, Missouri, Shortcut Solutions is a SEO company. Their services include Search Engine Optimization and Web Design.
    Read More
  • 27
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Saint Charles, MO
    Launched 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
  • 28
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Freeburg, IL
    Express 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
  • 29
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Cottleville, MO
    Turn 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

  • 30
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    O'Fallon, MO
    Hays 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

  • tracking image

Get connected with the right company for you

We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.

Schedule Consultation