
Top 20 E-Commerce App Development Companies in Seattle
November 2023Looking 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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1
- $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."
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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."
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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.”
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4
- $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."
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5
- $25,000+
- 50 - 249 employees
- Seattle, WA
Founded in 2000, Blink UX has almost 20 years of experience in the IT sector. True to their name, Blink UX specializes in UX/UI design but also offers mobile and web development, research, strategy, and design services.
Clients
- Amazon
- NASA
- Apple
- Disney
Industries
Notable Project
Blink UX designed an e-commerce website, condensing several branch URLs into one comprehensive site. They worked on UX, UI, content development, and stakeholder research before providing a spec to developers.
"They did really great, especially when things were outside of scope. The project got very complex."
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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."
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7
- $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."
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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.”
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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
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10
- $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."
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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
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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
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13
- $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."
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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. -
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."
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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.”
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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. -
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.
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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
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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.
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