Top 10+ eCommerce App Development Companies in Seattle, WA | eCommerce App Developers Seattle July 2026
Last Updated 27th July 2026 | Category: Top App Development FirmsThe List of Top 10+ eCommerce App Development Companies In Seattle, Washington | Top eCommerce App Developers Seattle, WA July 2026
Details
| Founded: | 2011 |
|---|---|
| Hourly Rates: | < $25 |
| Employees: | 1000+ |
| Avg. Project Cost: | $5,000,000+ |
| Ratings: |
5.0
497 Reviews
|
Hyperlink InfoSystem has a rich experience of developing a mobile application, serving development solution for various industry verticals. With an expert team of developers, they focus on producing customized solutions on specific business demands. They have the great experience in developing state-of-the-art mobile based applications at a cost-effective rate. They are a team of highly skilled professionals who are skilled to come up with some amazingly designed apps working in the most challenging conditions.
They work with clients over the world to help them leverage their mobile app development and reach out to the millions of digital customers currently using mobile technology.
They work with clients over the world to help them leverage their mobile app development and reach out to the millions of digital customers currently using mobile technology.
Details
| Founded: | 2005 |
|---|---|
| Hourly Rates: | $50 - $99 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $2,500,000+ |
| Ratings: |
4.3
8 Reviews
|
It is a software development company. Their core business is to establish and service fully managed by skilled development teams. They take an honest look at your business model and targeted audience. Redwerk specializes in decreasing risk and providing maximum value for your budget.
Details
| Founded: | 2001 |
|---|---|
| Hourly Rates: | $50 - $99 |
| Employees: | 500 - 999 |
| Avg. Project Cost: | $10,000+ |
| Ratings: |
4.7
7 Reviews
|
It is a leading mobile app development company. They think big, design smart & develop fast for all screens, projects, and teams stimulating digital ideas with end-to-end technology services. Their aim to produce those apps which people want to use on a regular basis and people use to talk about a lot. They provide full satisfaction by giving the best business standards, great development in mind while innovating.
Details
| Founded: | 2010 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $10,000+ |
| Ratings: | No reviews yet |
Their entire team is based in Connecticut and they leverage open source technologies based on their client’s requirements. Their agifall process is a combination of agile and waterfall methodologies to ensure a transparent and highly collaborative development experience. They work with you to develop compelling mobile experiences that your users like. They like to collaborate with unique and disruptive firms to create memorable digital experiences.
Details
| Founded: | 2006 |
|---|---|
| Hourly Rates: | $50 - $99 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $50,000+ |
| Ratings: | No reviews yet |
They promise the best rates in the industry because they have a unique development methodology and have over 15yrs of experience in developing software solutions. The company is focusing on the financial requirements by developing a blockchain platform everywhere. They have strong development culture and focuses on innovative solutions, using cutting edge technologies and frameworks.
Details
| Founded: | 1994 |
|---|---|
| Hourly Rates: | N/A |
| Employees: | N/A |
| Avg. Project Cost: | $10,000+ |
| Ratings: | No reviews yet |
Choice Information Service was established over 26 years ago in California. They provide professional IT services and support for large and small businesses. They are experts in finding the right audience and demographics to reach your potential customers. They made together smart, skilled thinkers and unleashed their connected creativity on the globe.
Details
| Founded: | 1996 |
|---|---|
| Hourly Rates: | N/A |
| Employees: | N/A |
| Avg. Project Cost: | $5,000,000+ |
| Ratings: | No reviews yet |
Tag New Media is a leading mobile app development company which are outstanding. They developed strong market principles with a purpose to give customizable solutions that help the clients with significant growth in profits. With the ever-growing digital time, their focus is more to make meaningful apps through which your target audience will see your business.
Details
| Founded: | 2010 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $10,000+ |
| Ratings: |
4.8
6 Reviews
|
They know the ever-changing technology situation and can lead you to the best solution for your business. They combine change with proven technology standards to develops experiences that match your brand and expertise. They change your idea into a compelling user experience for your clients. It has the experience to develop strong, innovative solutions for every platform.
Details
| Founded: | 2014 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $10,000+ |
| Ratings: |
4.7
8 Reviews
|
DevSquad is a leading mobile a mobile app development company. They will create all of the overall digital strategies to an automatic design that places UX first, joining them in a clever, rigorously examined platform. They will generate everything from the complete digital strategy to an automatic design. Their team works hard to cover and increase the application's impression on clients, making interest and sales.
Details
| Founded: | 2008 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $25,000+ |
| Ratings: |
4.4
8 Reviews
|
Established in 2008, Peaktwo is a leading software development company. They assure a professional way and a lot of pleasant emotions. For this purpose, they have developed a set of rules to help them navigate the workflows.They develop their own products and perform research. They focus on the development of complicated solutions, that provide to their clients’ benefit by growing leaders in their markets.
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FAQ
Frequently Asked Questions
Got questions about our specialized technology solutions? We have the answers to help you make informed decisions.
The line items that push a App Development project in Seattle over budget are rarely the obvious ones — it's usually the number of third-party integrations, how deep the testing needs to go, and what happens after launch in terms of support and maintenance. Compliance and security work, if your project needs it, adds a real chunk on top. A proper discovery conversation with your App Development partner in Seattle should surface most of this before you sign anything.
The firms that rank well among App Development companies in Seattle typically have verifiable client references, a track record of finished (not just started) projects, relevant certifications, and consistently positive feedback across multiple engagements — not just one standout case study. Self-reported claims with nothing to back them up carry little weight here; documented outcomes do.
Skip past the summary and go straight to the portfolio examples, the full text of client reviews (not just the star rating), and how long the company has been operating. Reviews that mention specific, measurable results — a faster checkout flow, a successful migration, fewer support tickets — tell you far more than generic praise. It's also worth checking whether the App Development firm in Seattle responds to reviews at all, since that habit tends to mirror how they handle feedback during an actual project.
A good App Development company in Seattle won't make you ask for updates — you should have standing access to a task board, regular written progress notes, and visibility into a staging environment where you can see the work as it's built, not just at the end of a sprint. If a firm treats this kind of access as an inconvenience rather than standard practice, take that seriously before signing anything longer-term.
A good App Development company in Seattle doesn't stop at shipping features — the strongest ones bring analytics setup, structured A/B testing, and performance tuning into the conversation from early on, so the product keeps improving after launch instead of sitting static. Treated this way, a App Development partner in Seattle becomes an ongoing part of how the business grows rather than a vendor you call once and don't hear from again.
Listen to what they ask about before they start talking solutions. A App Development company in Seattle genuinely focused on outcomes will want to understand your users, your revenue model, and your competitors before proposing anything technical. One that jumps straight to a timeline and a quote without asking those questions is optimizing for winning the deal, not for whether the thing they build actually works for your business.
Platforms like Clutch and GoodFirms are a good starting point, since they require some independent validation of the work described. A strong case study from a App Development company in Seattle spells out the original problem, what was actually built, and a measurable result — not just a screenshot and a paragraph of praise. Match case studies to your own industry and scale wherever you can; a great result in an unrelated space tells you less than it seems to.
