Top 20 JavaScript Development Companies in St. Louis

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Top 20 JavaScript Development Companies in St. Louis

February 2023

Looking for a top JavaScript developer in St. Louis?

If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. 

List of the Best St. Louis JavaScript Developers

  • 1
    • $50,000+
    • 10 - 49 employees
    • St. Louis, MO

    Spry Digital is a digital agency based in St. Louis, Missouri. Founded in 2010, their team of about 20 employees primarily provide mid-market and enterprise businesses with web development, web design, and UX/UI design services.

    Clients

    • Suddenlink
    • Optimum
    • GARED Holdings
    • Washington University

    Industries

    Notable Project

    The client hired Spry Digital for the tasks of revamping their outdated website and importing it onto a Drupal platform while making enhancements along the way.

    "We're very happy with the work they [Spry Digital] have done."

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  • 2
    • $5,000+
    • 50 - 249 employees
    • St. Louis, MO

    Digia is a software development company founded in 2017. Based in Toronto, Canada, the team specializes in web development, mobile app development, and enterprise app modernization. 

    Clients

    • TempStars.ca
    • Pangea
    • Feast
    • Shift Posts

    Industries

    Notable Project

    Digia Technology created a nonprofit's private community site. They leveraged WordPress modules where appropriate, built an opportunity listing module, and integrated the site into the client's public website.

    "We were impressed by the flexibility, professionalism, and responsiveness of the whole team."

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  • 3
    • $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.

    Clients

    • STL Polyjack
    • ASR Tech Group
    • LACRM and many more

    Industries

    Notable Project

    Digital Radium served as a full-stack marketing agency partner for a soil stabilization company, setting up their website and performing on-page and keyword-based SEO for the company.

    "They understood what we do and they are conveying it in language that our prospective customers can understand"

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  • 4
    • $5,000+
    • 2 - 9 employees
    • St. Louis, MO

    Web Design & Company is a PPC agency. They are located in St. Louis, Missouri and have a small team. Their services include pay per click, search engine optimization, social media marketing, web design, and more.

    Industries

    Notable Project

    A commercial aquatic design and engineering company hired Web Design & Company for website design and development. Key technologies on the project included CSS, HTML, and WordPress.

    “We think they did a stellar job.”

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  • 5
    • $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.

    Industries

    Notable Project

    PC40 Interactive developed a website for a women-focused business service company. Now, the collaborators are expecting to finish the third phase of their project soon.

    "We feel like they were able to capture our vision for the website and make it a reality."

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  • 6
    • $5,000+
    • 250 - 999 employees
    • St. Louis, MO

    Gemini Consulting & Services is an IT solutions firm that is located in Sunset Hills, Mo. Founded in 2010, Gemini Consulting & Services' team of 307 employees specialize in mobile app development and marketing, web development, and cloud consulting. Gemini Consulting & Services works with clients of all sizes ranging from small startups to large enterprises.   

    Clients

    • Weil Cornell Medicine
    • Whirlpool
    • Microsoft
    • Miri Systems
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  • 7
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      5.0
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • St. Louis, MO

    Five Jars, a web development firm, was established in 2017. Their small team is in Dover, Delaware and Kyiv, Ukraine. Their services include web development, custom software development, and web design.

    Clients

    • George Washington’s Mount Vernon
    • YMCA of the North
    • Council for Exceptional Children
    • YMCA of Greater Brandywine

    Industries

    Notable Project

    Five Jars developed a youth organization’s Drupal website from scratch. Users can register for classes and buy products through the site. They’re currently providing site maintenance and ad hoc tech support.

    "We’ve been very happy with them; they’re one of my best decisions as a chief strategy officer."

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  • 8
    • $5,000+
    • 10 - 49 employees
    • St. Louis, MO
    Mechcubei Solutions Pvt.Ltd. Is a mobile application development firm. The small Sahibzada Ajit Singh Nagar, India-based company was established in 2019. Their team provides mobile app development, ux/ui design, cybersecurity, web design, and more.

    Industries

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  • 9
    • $1,000+
    • Freelancer employees
    • St. Louis, MO

    STL Website Development was founded in 2017 and is headquartered in St. Louis, Mo. They have a team of around three employees who focus on web development and design.

    Clients

    • Westwood Tax & Consulting
    • Urban K-Life
    • Hilliard Law GA

    Industries

    Notable Project

    STL Website Development built a new website for a digital marketing agency. They included client testimonials and a contact form. 

    "They’re responsive and listen to my needs."

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  • 10
    • Undisclosed
    • 2 - 9 employees
    • St. Louis, MO
    Headquartered in St. Louis, Missouri, FlashBoombang Studios is a small UX company. Their services include ux/ui design, search engine optimization, video production, web design, and more.
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  • 11
    • $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.

    Clients

    • TKC Holdings
    • Hussmann
    • Berkley Insurance
    • Renaissance Financial

    Industries

    Notable Project

    Data Dynamics, Inc. provides cloud management and maintenance services. They've created a secure, remote desktop, setup firewalls, and created user accounts with varied permissions for employees and clients.

    "They provide fast, responsive services and one-on-one support as needed."

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  • 12
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 2 - 9 employees
    • St. Louis, MO

    VIVIDSITES is a full service digital marketing company located in St. Louis, Mo. Founded in 1999, VIVIDSITES's team of 8 employees specializes in web design, web development, and e-commerce development. 

    Clients

    • Reebok
    • Purina
    • Land O' Lakes
    • Warson Brands

    Industries

    Notable Project

    VIVIDSITES redesigned a site on the BigCommerce platform for a footwear brand. They worked on the wireframes, mock-ups, sandbox environments, and completed user acceptance testing.

    "It's great working with VividSites."

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  • 13
    • $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.

    Industries

    Notable Project

    Studio Seagraves was hired by a wellness platform to design their site and podcast. They've initially led a discovery phase and created a growth plan before starting their design process.

    "I am stunned by their level of expertise in both web and aesthetic design."

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  • 14
    • $5,000+
    • 2 - 9 employees
    • St. Louis, MO
    DEKAMCO is a St. Louis, Missouri-based custom software development firm. The small company was established in 2019. Their team provides custom software development, mobile app development, web design, web development, and more.

    Industries

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  • 15
    • Undisclosed
    • 2 - 9 employees
    • Town and Country, MO
    Becurity, an application development firm, was established in 2017. Their small team is in Town and Country, Missouri. Their services include mobile app development, web development, IT managed services, and web design.
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  • 16
    • $5,000+
    • 2 - 9 employees
    • Farmington, MO

    Berkemeyer Concepts is a software house founded in Farmington, Mo. in 2018. With no more than 10 professionals, they specialize in custom software, e-commerce, and web development solutions for clients that work in the fields of business services and e-commerce.

    Clients

    • ABC Companies
    • Fives Lund
    • Whatcom Community College
    • Variant

    Industries

    Notable Project

    Berkemeyer Concepts developed an e-commerce site for a digital marketing agency. They also worked on increasing the site's engagement and conversion rate optimization (CRO). They used Shopify, GitHub, and more.

    "It was a pretty smooth working relationship and they delivered a great product to us."

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  • 17
    • Undisclosed
    • 10 - 49 employees
    • St. Louis, MO
    Giant Hat is an e-commerce development company. They are in St. Louis, Missouri and St. Louis, Missouri and have a small team that provides e-commerce development, web development, custom software development, ux/ui design, and more. The company was launched in 1905.
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