Top 20 E-Commerce App Development Companies in Seattle

Need Help Selecting a Company?
Directory image
  1. Home
  2. Mobile App Development
  3. Seattle

Top 20 E-Commerce App Development Companies in Seattle

November 2023

Looking for a top e-commerce app development company in Seattle?

E-commerce apps allow you to sell products to buyers online through a mobile app. Apps like Wayfair, Amazon, or Glasses by Warby Parker are examples of e-commerce mobile apps with unique features to optimize the buying experience for shoppers. 

List of the Best Seattle E-Commerce Mobile App Developers

  • 1
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Seattle, WA

    UPQODE is a website design and development agency based in Nashville, Tennessee. Founded in 2015, the team of 40+ specializes in web development, web design, and e-commerce development. They work with small businesses, focusing on information technology, e-commerce, and business services.

    Clients

    • Think Tank Team - Samsung Research America
    • SAA - Spondylitis Association of America
    • AmeriFreight Inc.
    • DOXO Inc.

    Industries

    Notable Project

    UPQODE was hired by a private equity firm to update and refresh their company website. The team integrated tools with online plug-ins and worked on SEO to attract talent and potential customers.

    "They were very easy to work with."

    Visit Site
  • 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
    • $25,000+
    • 10 - 49 employees
    • Issaquah, WA

    Since its founding in 2010, Inventive Mobile has been dedicated to mobile app development. Their small but expert team completed over 30 projects for both Android and iOS with over 10 million downloads.

    Clients

    • University of Washington
    • Intel
    • Xerox
    • Best Buy

    Industries

    Notable Project

    Inventive Mobile developed a landing page and is working from user flows to produce a mobile app for a sports mentorship startup that allows aspiring athletes to communicate with professionals in their field.

    "I really appreciate their willingness to truly understand my goal and listen to my ideas."

    Visit Site
  • 3
    • $25,000+
    • 10 - 49 employees
    • Medina, WA

    A full-service digital design and development agency, Flower Press Creative Studio takes on mobile app, web, and custom software development projects. Founded in 2001, the small team of 6 is headquartered in Seattle and also has experience in UI/UX design.

    Clients

    • Insurance Lounge
    • Brown Bear Car Wash
    • Geek Girl Careers
    • World Perspectives

    Industries

    Notable Project

    Flower Press Creative Studio, LLC provides design and development services for an insurance brokerage. The team has worked on the client’s branding needs and currently maintains their e-commerce platform. 

    “They’ve done excellent work.”

    Visit Site
  • 4
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • Seattle, WA

    Slashdev is a small software development company. The Winter Park, Florida-based company was established in 2021. Their services include custom software development, web development, mobile app development, wearable app development, and more.

    Industries

    Notable Project

    Slashdev has provided a senior Flutter developer to augment a software development company's internal team.

    "We knew what we wanted, and they delivered quickly."

    Visit Site
  • 6
    • $50,000+
    • 50 - 249 employees
    • Seattle, WA

    ThirstySprout is an outsourced development company headquartered in Seattle with an additional office in San Franciso. Founded in 2017, they currently have about 18 employees. They provide IT staff augmentation as well as custom software and web development services to primarily midmarket agencies in IT, e-commerce, and business services.

    Clients

    • Rover.com
    • Jirav.com
    • Zillow
    • WeWork Labs

    Industries

    Notable Project

    ThirstySprout developed automation software for a car-sharing company. The team built a data mart and a financial reporting system to analyze the company's data.

    "They go above and beyond to provide great customer service and project delivery."

    Visit Site
  • 7
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.3
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 250 - 999 employees
    • Seattle, WA

    Founded in 2014, PYCOGroup is a development firm. Their team of around 370 employees is based in Brussels, with an additional office around the globe. They focus on custom software, web, and mobile app development.

    Clients

    • Microsoft
    • American Express
    • Volkswagen
    • Coach

    Industries

    Notable Project

    PYCOGroup designed and developed a government-funded mobile app to promote travel. While the internal team focused on the database and API, PYCOGroup focused on everything else, including delivery.

    "The workflow was very fluid, efficient, and professional on PYCOGroup's side."

    Visit Site
  • 8
    • $10,000+
    • 10 - 49 employees
    • Seattle, WA

    Helpful Human is a development agency based in Seattle. Since 2013, their team of 15 has been specializing in web design and development, mobile app development, and UX/UI design. They work primarily with small businesses in the information services and business services industries.

    Clients

    • Rudy's
    • naturewise
    • Elm Coffee Roasters
    • Holland America Line

    Industries

    Notable Project

    Helpful Human helps a fintech company with market testing for their products and solutions. Their work includes ad copies, landing page tests, product concepts, design sprints, and software development.

    “The quality of people that Helpful Human has on their staff is very high.”

    Visit Site
  • 9
    • $5,000+
    • 50 - 249 employees
    • Bellevue, WA
    Tech Pathway is a web development firm. Established in 2017, the midsize agency is located in Jaipur, India and Bellevue, Washington. Their team focuses on web development, mobile app development, and e-commerce development.

    Industries

    Visit Site
  • 10
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Seattle, WA

    Roonyx is a web, mobile app, and AI development company founded in 2008 that caters their services to small business and midmarket clients. They have a team of nearly 30 employees who provide services from Moscow and Boston. They focus on the business services, automotive, and e-commerce industries.

    Industries

    Notable Project

    Roonyx developed Android and iOS applications for a game development company's end client. Roonyx designed the app's prototype and developed it using Flutter. The app helped couriers manage their routes.

    "Everything was done well and, at times, even above our expectations."

    Visit Site
  • 11
    • $100,000+
    • 50 - 249 employees
    • Seattle, WA
    Carbon Five is a software development firm. Established in 2000, the midsize company is located in San Francisco, California; Santa Monica, California; Chattanooga, Tennessee and New York, New York. Their services include custom software development, mobile app development, web development, web design, and more.

    Industries

    Visit Site
  • 12
    • $50,000+
    • 50 - 249 employees
    • Seattle, WA
    Wunderman Thompson Mobile is a midsize UX design agency. Located in Denver, Colorado; Atlanta, Georgia; Seattle, Washington and New York, New York, the firm was established in 2008. Their services include ux/ui design, mobile app development, application management & support, AR/VR development, and more.

    Industries

    Visit Site
  • 13
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Seattle, WA

    Lets Nurture is a web and mobile applications company headquartered in New York City, with offices in Seattle, India, Canada, Singapore, the UK, and Australia. Founded in 2009, the team of 131 specializes in AR/VR development, blockchain, and loT development. They work with small businesses and midmarkets, focusing on information technology, business services, arts, entertainment, and music.  

    Clients

    • SmallPocketBook
    • MyCAB App
    • PROPIO
    • The Bike Shield App

    Industries

    Notable Project

    Lets Nurture collaborated with a startup firm as the core engineering team. They integrated the applications with various APIs and worked on the majority of the back-end development to focus on establishing the payment structure.

    "I’m going to continue to do business with Lets Nurture, their price point is good, and they work fast."

    Visit Site
  • 14
    • $1,000+
    • 2 - 9 employees
    • Seattle, WA
    Established in 2016, Qamera Design is an user experience design agency. Based in Seattle, Washington, their small team provides ux/ui design, mobile app development, mobile & app marketing, and web development.
    Visit Site
  • 15
    • $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."

    Visit Site
  • 16
    • $1,000+
    • 2 - 9 employees
    • Kirkland, WA

    CASoft Seattle is a web design, development, and marketing company located in Kirkland, Wash. Founded in 2017, CASoft Seattle has a team of three employees that not only specialize in web development but also mobile app and custom software development. Their marketing expertise spans SEO, PPC, and branding. They primarily work with small businesses. 

    Clients

    • Footlogix
    • Great Plains College
    • Modern Metals
    • Mobile Veterinary Mission

    Notable Project

    CASoft Seattle is building a B2C platform from scratch that connects small businesses and service providers with individuals. They’ve finished the first phase of development and are moving on to the next stage.

    “Not only are they organized and on time, but they also really care about the product.”

    Visit Site
  • 17
    • Undisclosed
    • 2 - 9 employees
    • Seattle, WA
    Generalsoft Corporation is a small software development company. Located in Seattle, Washington, the firm was launched in 2011. Their services include custom software development, cloud consulting & SI, IT managed services, IT strategy consulting, and more.
    Visit Site
  • 18
    • $25,000+
    • 10 - 49 employees
    • Tacoma, WA

    Digital strategy company Relevant Marketing Solutions was established in 2016. Their small team is based in Tacoma, Washington. Relevant Marketing Solutions provides digital strategy, social media marketing, search engine optimization, pay per click, and more.

    Visit Site
  • 19
    • $5,000+
    • 2 - 9 employees
    • Bothell, WA

    Website development company Ravenna was founded in 2007. Their small team is located in Bothell, Washington and focuses on web development, mobile app development, web design, and e-commerce development.

    Industries

    Visit Site
  • 20
    • Undisclosed
    • 10 - 49 employees
    • Bellevue, WA
    Abasys Technologies Inc is a software development company. The Bellevue, Washington-based firm was established in 1987. The small team focuses on custom software development, blockchain, e-commerce development, mobile app development, and more.
    Visit Site

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