Top 40 E-Commerce App Development Companies in Seattle
The Best of February 2026Looking 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. Get started updating, customizing, or building a new e-commerce app with the help of a top e-commerce app development company.
To assist you in your search for a partner, we’ve compiled this list of the top app developers for e-commerce apps in Seattle. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Seattle E-Commerce Mobile App Developers
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31$1,000+2 - 9 employeesTacoma, WARead More
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.
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grinev.softwareIndustries
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32$1,000+2 - 9 employeesShelton, WABear Byte is a Shelton, Washington-based social media marketing company. Founded in 2024, the team specializes in Social Media Marketing and Search Engine Optimization.Read More
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33$5,000+2 - 9 employeesBothell, WARavenna is a website development company headquartered in Bothell, Washington. The team offers Web Development and Mobile App Development.Read More
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34Undisclosed10 - 49 employeesBellevue, WAAbasys Technologies Inc is a software development firm. Located in Bellevue, Washington, the firm was founded in 1987. Their services include Custom Software Development and Blockchain.Read More
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