Top 50 JavaScript Development Companies in Seattle

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Top 50 JavaScript Development Companies in Seattle

October 2022

Looking for a top JavaScript developer in Seattle?

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. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. 

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List of the Best Seattle JavaScript Developers

  • 31
    • $75,000+
    • 50 - 249 employees
    • Seattle, WA

    TangoTeams is an app development company. Established in 2021, the team provides mobile app development, web development, custom software development, and other application development. Their midsize firm is Seattle, Washington-based.

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  • 32
    • $1,000+
    • 2 - 9 employees
    • Seattle, WA

    SeaMonster Studios is a website development firm. The small Seattle, Washington-based company was founded in 2007. Their team specializes in web development, ux/ui design, e-commerce development, web design, and more.

    Industries

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  • 33
    • $10,000+
    • 10 - 49 employees
    • Seattle, WA

    Established in 2005, Palador is a custom software development firm. Based in Seattle, Washington and Yogyakarta, Indonesia, their small team offers custom software development, enterprise app modernization, ux/ui design, web development, and more.

    Industries

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  • 34
    • Undisclosed
    • 10 - 49 employees
    • Seattle, WA

    Launched in 2009, Pivotal Consulting is a small cloud consulting & SI company headquartered in Seattle, Washington. Their services include cloud consulting & SI, enterprise app modernization, IT strategy consulting, web development, and more.

    Industries

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  • 35
    • $10,000+
    • 50 - 249 employees
    • Seattle, WA

    Devblock is a software development company. The midsize Seattle, Washington-based company was founded in 2008. Their team focuses on custom software development, mobile app development, web development, e-commerce development, and more.

    Industries

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  • 36
    • $25,000+
    • 2 - 9 employees
    • Seattle, WA
    Brechin.dev is an user experience company launched in 2015. They are based in Seattle, Washington and have a small team. The company focuses on ux/ui design, web development, mobile app development, and custom software development.
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  • 37
    • $10,000+
    • 2 - 9 employees
    • Kent, WA

    WinnComm, LLC is a custom software development firm. They are headquartered in Jaipur, India and Kent, Washington and have a small team that provides custom software development, web development, public relations, social media marketing, and more. The agency was launched in 2014.

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  • 38
    • $10,000+
    • 50 - 249 employees
    • Seattle, WA

    DMC, Inc. is an engineering and development firm founded in 1996. It is headquartered in Chicago, but has other locations in Somerville, Mass.; Denver, Colo.; New York, N.Y.; Houston, Texas; and St. Louis, Mo. DMC, Inc. has about 150 employees. While DMC's origins are in robotics and manufacturing automation, they currently offer custom software development and big data consulting services.   

    Clients

    • 3M
    • Ford
    • Cadbury
    • Bosch

    Industries

    Notable Project

    A large ground logistics firm hired DMC to develop a unique IoT device for their centrally-owned fuel depots. DMC created a device to speed up the refueling process and provide useful data to the firms that own the depots.

     

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  • 39
    • $75,000+
    • 10 - 49 employees
    • Bellevue, WA
    Small web design agency Tasklancers LLC, is in Bellevue, Washington. They focus on web design, custom software development, web development, mobile app development, and more and were founded in 2021.

    Industries

    Notable Project

    An e-commerce marketplace hired Tasklancers LLC to develop an e-commerce website with various integration, including shipping, payments, tracking, inventory, etc.

    "Their team consistently showed up with insightful ideas and well-defined deliverables."

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  • 40

    Worked with Suzanne Harrison, Web Design + Build?

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    • $5,000+
    • 2 - 9 employees
    • Seattle, WA
    Web design agency Suzanne Harrison, Web Design + Build was founded in 2012. The firm offers web design, branding, digital strategy, search engine optimization, and more and has a small team.
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  • 41
    • $1,000+
    • 2 - 9 employees
    • Seattle, WA

    S9 Digital, a branding company, was established in 2017. Their small team is in Seattle, Washington and specializes in branding, content marketing, search engine optimization, web development, and more.

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  • 42
    • $5,000+
    • 2 - 9 employees
    • Shoreline, WA

    VisionSnap is a design and development company based in Seattle, with an additional office in Phoenix, AZ. The team was founded in 1999. VisionSnap specializes in providing UX/UI design, web development, and web design services primarily for small and midmarket businesses.

    Clients

    • Rulersmith
    • GuerraWilson Group
    • Valley National Bank of Arizona
    • Midland Real Estate

    Industries

    Notable Project

    VisionSnap, Inc. developed a website and manages digital marketing for a large restaurant and banquet space. He implemented SEO into the site and monitors user engagement with it. The work is ongoing.

    “They are good at what they do.”

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  • 43
    • Undisclosed
    • 2 - 9 employees
    • Poulsbo, WA

    Based in Poulsbo, Washington, Fusion Creative Works is a graphic design agency. The small team provides graphic design, logo, search engine optimization, web design, and more. The firm was launched in 2006.

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  • 44
    • $1,000+
    • Freelancer employees
    • Lynnwood, WA

    Design Detective is a web design company and website development company. Their small team is based in Lynnwood, Washington. The company provides web design and web development.

    Industries

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  • 45
    • $1,000+
    • Freelancer employees
    • Everett, WA
    Established in 2021, Easy Biz Tech LLC is a conversion optimization company. Their small team is headquartered in Everett, Washington. Their services include conversion optimization, search engine optimization, web design, web development, and more.
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  • 46
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.9
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 2 - 9 employees
    • Monroe, WA

    Efinitytech is a web design company located in Monroe, Wash. Founded in 1998, Efinitytech's team of around 5 employees specializes in web design, web development, and ecommerce development. Efinitytech's clients are primarily small businesses in the ecommerce, real estate, and consumer product spaces.

    Clients

    • Safe Consulting
    • Woodinville Florist
    • Northwest Outdoor Lighting, Inc
    • Barn Pros

    Industries

    Notable Project

    Efinitytech developed two e-commerce websites for a leather and fishing rod sealant production company. Closely following provided designs, their team laid out a detailed step-by-step plan for the build-out.

    “They’re a good company with reasonable prices, and they’ll deliver a professional-looking website.”

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  • 47
    • $1,000+
    • 2 - 9 employees
    • Tacoma, WA

    Grinev Software is a development company based in Federal Way, Wash. Their team was founded in 2007 and has around 10 employees. They primarily provide mobile app, web, and e-commerce development. 

    Clients

    • grinev.software
    • Salesfolks
    • truevirtualtours
    • murav.ru

    Notable Project

    Grinev Software designed and developed a sales firm's website's frontend, hosted on AWS. They built all the data structures and databases, all the marketplace tools, and the customization of the WebRTC UI.

    "The hard work, professionalism, and proactive contributions were something that is baked into their DNA."

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  • 48

    Worked with BlueDenham WEB Design & Hosting?

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    • Undisclosed
    • 2 - 9 employees
    • Puyallup, WA

    Web design agency BlueDenham WEB Design & Hosting was founded in 1989. They are in Puyallup, Washington and have a small team. BlueDenham WEB Design & Hosting specializes in web design, web development, graphic design, and IT managed services.

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  • 49
    • $10,000+
    • 10 - 49 employees
    • Arlington, WA

    In Arlington, Washington, FDG Web, Inc is a web design company. Launched in 2000, the small team specializes in web design, web development, custom software development, and e-commerce development.

    Industries

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  • 50
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 250 - 999 employees
    • Olympia, WA

    Celebrate Drupal is a web development and design firm in Seattle. It was founded in 2009, and its team of 8 helps clients with IT staff augmentation, custom software development, UI/UX design, and e-commerce development in addition to web design and development.

    Clients

    • Hasbro Inc.
    • Pod Consulting
    • Fuse Ideas
    • State of Georgia Health

    Industries

    Notable Project

    Celebrate Drupal provided frontend design and development for a Drupal website, collaborating with an internal backend developer. They've created custom features, including an interactive map.

    “Their personalities are phenomenal and their team is very patient, smart, and timely.”

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  • 51
    • $5,000+
    • 2 - 9 employees
    • South Hill, WA
    Klutch Studio is a small web design company launched in 2022. Their services include web design, branding, conversion optimization, search engine optimization, and more. The agency is based in South Hill, Washington.
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  • 52
    • $10,000+
    • 2 - 9 employees
    • Olympia, WA

    Tilladelse Marketing Agency is a full service marketing agency located in Olympia, Wash. Founded in 2018, they have a team of 3 employees who specialize in web design, PPC, e-commerce development, and web development for their clients
     

    Clients

    • Bid Venues |
    • McSwain CPA |
    • Koelsch Construction |
    • FarmGrit.com |

    Notable Project

    tilladelse marketing agency managed web development and supported marketing efforts for an online auction company. They built a new WordPress site and suggested more product-oriented advertising.

    “They are very professional, honest, and knowledgeable. We can always count on them.”

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  • 53
    • $5,000+
    • 50 - 249 employees
    • Redmond, WA

    Citizen, Inc. Is a midsize UX company. Founded in 2005, the agency is based in Portland, Oregon and Redmond, Washington. Their team specializes in ux/ui design, mobile app development, web development, digital strategy, and more.

    Industries

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