Top 50 Software Development Companies in St. Louis

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Top 50 Software Development Companies in St. Louis

The Best of May 2025

Looking for a top software developer in St. Louis?

As the use of mobile and web apps rise, your business’s digital presence becomes even more important. 

List of the Best St. Louis Software Developers

  • 1
    (13 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.7

    Would Recommend

    4.9
    $10,000+
    10 - 49 employees
    Webster Groves, MO
    Sketch Development is a small e-commerce development firm. The Webster Groves, Missouri-based firm was founded in 2015. Their team specializes in E-Commerce Development, Custom Software Development, Mobile App Development, and Enterprise App Modernization.
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    Clients

    Reinsurance Group of America (RGA) bioMerieux CareSource CENTEGIX

    Industries

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  • 2
    (85 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    St. Louis, MO
    UPQODE is a web design agency based in Nashville, Tennessee; New York, New York; Tampa, Florida and Seattle, Washington. They focus on Web Design, Web Development, UX/UI Design, Custom Software Development, and more and were launched in 2015.
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    Clients

    Gracenote - Entertainment Providers

    Industries

  • 3
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $50,000+
    2 - 9 employees
    Clayton, MO

    Strategic design and development agency Enliven is based in St. Louis. Since 2012, their team of 20 has been specializing in product design, web development, UX/UI design, and more for mainly enterprise-level clients. They primarily serve clients in the business services, health care & medical and IT industries. 

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    Clients

    Tower Grove Neighborhoods CDC

    Industries

  • 4
    (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.

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    Clients

    STL Polyjack

    Industries

  • 5
    (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 is a St. Louis-based digital strategy and marketing agency. They have 20 employees, and serve both as a strategic consultancy and perform hands-on marketing and development. SteadyRain offers custom software and web development, SEO, PPC campaigns, and other solutions to create the right campaign. Many of its clients are midmarket companies, though some are also small businesses.Former Clients: Build-a-Bear Workshop, Dent Wizard, Great Rivers Greenway, First Bank, the Missouri Division of Tourism

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    Clients

    Build-a-Bear Workshop

    Industries

  • 6
    (7 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    4.9
    Undisclosed
    10 - 49 employees
    St. Louis, MO

    Engage Software is a web and mobile development company based in St. Louis, Missouri with a second office in Florida. Founded in 1999, Engage Software's team of around 20 employees serves primarily small and mid-market businesses. They specialize in web development, web design, and custom software development services.

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    Clients

    True Value

    Industries

  • 7
    (4 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

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

    Webenology, Inc is a custom software development firm based in St. Louis. Founded in 2013, their team of  8 serves clients in the transportation and nonprofit sectors. Services include web development and mobile app development.

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    Industries

  • 8
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    Clayton, MO
    Insight Global is a Staffing company. They are based in Atlanta, Georgia and Birmingham, Alabama, and their services include Staffing and BI & big data consulting & SI.
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    Industries

  • 9
    (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.

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    Industries

  • 10
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.6

    Would Recommend

    5.0
    $50,000+
    10 - 49 employees
    St. Louis, MO

    Happen technologies is a custom software development company in Saint Charles, Missouri. The small company was launched in 2018. Their services include custom software development, IT staff augmentation, mobile app development, and ux/ui design.

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    Industries

  • 11
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

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

    Founded in 2004, Altec Design is a web design and internet marketing agency located in St. Louis, Mo. The team of 10 provide clientele with web development, PPC, web design, custom software development, and SEO services.

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    Clients

    Vincent's Jewelers

    Industries

  • 12
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    St. Louis, MO
    Unidev is a software development firm founded in 1990. The team offers Custom Software Development and Mobile App Development.
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    Industries

  • 13
    (1 Reviews) 5.0

    Timeliness

    4.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    10 - 49 employees
    St. Louis, MO

    Tuva Interactive is a full-service internet development company from St. Louis. The company was founded in 1996 and currently has a team of 10 employees. Tuva Interactive provides custom software development, web development, and IT strategy consulting.

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    Clients

    FORO Sports Club

    Industries

  • 14
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    St. Louis, MO
    Automation & Control Concepts, a custom software development company, is headquartered in St. Louis, Missouri. The team offers Custom Software Development.
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  • 15
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    St. Louis, MO
    Software development company DEKAMCO was founded in 2019. The firm offers Custom Software Development and Mobile App Development, and is small.
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    Industries

  • 16
    (5 Reviews) 4.7

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Ballwin, MO

    Data Dynamics, Inc. is an IT consulting company based in Ballwin, Mo. with more than two professionals. Since 2010, they have provided IT managed services, IT staff augmentation, and cloud consulting solutions for clients ranging from small firms to large businesses.

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    Clients

    TKC Holdings

    Industries

  • 17
    (1 Reviews) 2.5

    Timeliness

    2.5

    Service Excellence

    4.0

    Value

    4.0

    Would Recommend

    2.5
    Undisclosed
    250 - 999 employees
    St. Louis, MO

    Frontline Managed Services is an IT strategy consulting company. The midsize team is in St. Louis, Missouri. Their services include IT strategy consulting, cybersecurity, IT managed services, custom software development, and more.

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  • 18
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    50 - 249 employees
    St. Louis, MO
    Established in 1997, Ross Technologies, (RTGX) is a custom software development company. The team provides Custom Software Development and BI & big data consulting & SI.
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    Clients

    United States Army

    Industries

  • 19
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Collinsville, IL
    Swip Systems, a custom software development company, offers Custom Software Development and Web Development. The agency is located in Collinsville, Illinois.
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  • 20
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Chesterfield, MO

    ATB Technologies, an IT managed services company, was founded in 2002. The small team focuses on IT managed services, ERP consulting and SI, IT strategy consulting, and custom software development. The firm is in Chesterfield, Missouri.

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    Industries

  • 21
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Creve Coeur, MO
    CSG is an IT strategy consulting company. Based in Creve Coeur, Missouri, their team focuses on IT strategy consulting and BI & big data consulting & SI.
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  • 22
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    St. Louis, MO
    Founded in 2016, Aggio is a small IT strategy consulting company. Their services include IT strategy consulting and BI & big data consulting & SI.
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  • 23
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    St. Louis, MO
    Polaris Solutions, LLC is an IT managed services company founded in 2008. The agency provides IT managed services and Custom Software Development.
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  • 24
    (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.
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    Clients

    Cornerstone Insurance Group
  • 25
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Swansea, IL
    Dino Consulting is a software development firm located in Swansea, Illinois. They provide Custom Software Development and Enterprise App Modernization and were founded in 2014.
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  • 26
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Ballwin, MO
    Established in 1997, PRI Global is a software development company. The team provides Custom Software Development and Application Management & Support and is in Ballwin, Missouri.
    Read More

    Industries

  • 27
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    St. Louis, MO
    Global Enterprise Services, LLC is a custom software development firm. The St. Louis, Missouri-based firm was established in 2018. Their services include Custom Software Development and Cybersecurity.
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  • 28
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    St. Louis, MO
    Capnion is a Cybersecurity company. The small St. Louis, Missouri-based team provides Cybersecurity and Custom Software Development. The firm was established in 2018.
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  • 29
    (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.
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  • 30
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    St. Louis, MO
    Object Computing, Inc. Is an AI company. In St. Louis, Missouri, the company provides Artificial Intelligence and Blockchain.
    Read More

    Industries

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