Top 10+ eCommerce App Development Companies in Bellevue | eCommerce App Developers Bellevue 2026

Last Updated 05th September 2026 | Category: Top App Development Firms

The List of Top 10+ eCommerce App Development Companies in Bellevue | Top eCommerce App Developers Bellevue September 2026

hyperlink infosystem

Details

Founded: 2011
Hourly Rates: < $25
Employees: 1000+
Avg. Project Cost: $100,000+
Ratings:
5.0
497 Reviews

Service Line

  • Mobile App Development
  • Web Development
  • VR App Development
  • AR App Development
  • Wearable App Development
  • IoT App Development
  • UI-UX Design
Since 2011, Hyperlink InfoSystem has operated as a technology services provider. Hyperlink InfoSystem focuses on Mobile App Development. Hyperlink InfoSystem employs 1000+ people. Clients can expect pricing around < $25/hr, with projects averaging about $100,000. Overall, Hyperlink InfoSystem is one of the options worth shortlisting for a technology project.
barton consulting

Details

Founded: 2007
Hourly Rates: N/A
Employees: 2 - 9
Avg. Project Cost: $25,000+
Ratings:
4.8
6 Reviews

Service Line

  • Mobile App Development
  • Web Development
  • UI-UX Design
  • Web Design
  • SEO
Barton Consulting is a technology company founded in 2007. The company's main offerings are Web Development, Mobile App Development and Digital Marketing. Barton Consulting employs 2 - 9 people. Projects with this company average about $50,000. Overall, Barton Consulting is one of the options worth shortlisting for a technology project.
transmissions, llc

Details

Founded: 2001
Hourly Rates: N/A
Employees: 2 - 9
Avg. Project Cost: $5,000,000+
Ratings:
4.3
6 Reviews

Service Line

  • Mobile App Development
  • Web Development
  • UI-UX Design
  • E-commerce Development
  • Social Media Marketing
  • SEO
  • Content Management System
Transmissions, LLC works with clients to plan, build, and ship digital products. The company's day-to-day work covers web platforms, mobile apps, and bespoke software. Transmissions, LLC employs 2 - 9 people. The average project on record costs around $5,000,000. These details offer a useful starting point when evaluating Transmissions, LLC.
arkenea

Details

Founded: 2011
Hourly Rates: N/A
Employees: 10 - 49
Avg. Project Cost: $5,000,000+
Ratings:
4.4
6 Reviews

Service Line

  • Mobile App Development
  • Web Development
  • UI-UX Design
Since 2011, Arkenea has operated as a technology services provider. Arkenea focuses on IT Consulting and Web Development. Arkenea employs 10 - 49 people. Projects with this company average about $5,000,000. This profile is a starting point — reach out to Arkenea directly to discuss project specifics.
utility

Details

Founded: 2013
Hourly Rates: $150 - $199
Employees: 10 - 49
Avg. Project Cost: $25,000+
Ratings:
4.1
8 Reviews

Service Line

  • Mobile App Development
  • Web Development
  • UI-UX Design
  • Web Design
Utility works with clients to plan, build, and ship digital products. Utility focuses on Mobile App Development. Its team includes 10 - 49 specialists working across design, development, and delivery. Typical hourly rates run around $150 - $199/hr, with an average project cost near $50,000. This gives a quick snapshot of what to expect when working with Utility.
treetop interactive

Details

Founded: 2011
Hourly Rates: N/A
Employees: 2 - 9
Avg. Project Cost: $2,500,000+
Ratings:
4.5
7 Reviews

Service Line

  • Mobile App Development
  • Web Development
  • UI-UX Design
  • Web Design
  • E-commerce Development
  • SEO
  • Content Management System
Treetop Interactive works with clients to plan, build, and ship digital products. Their core services include Mobile App Development. Treetop Interactive employs 2 - 9 people. The average project on record costs around $100,000. This gives a quick snapshot of what to expect when working with Treetop Interactive.
genb

Details

Founded: 2011
Hourly Rates: N/A
Employees: 2 - 9
Avg. Project Cost: $2,500,000+
Ratings:
4.4
8 Reviews

Service Line

  • Mobile App Development
  • Web Development
  • UI-UX Design
  • Web Design
  • Branding
  • Digital Strategy
GenB is a software development company that turns ideas into working products. The company's main offerings are Mobile App Development. GenB employs 2 - 9 people. The average project on record costs around $25,000. Overall, GenB is one of the options worth shortlisting for a technology project.
momentum3

Details

Founded: 2014
Hourly Rates: $25 - $49
Employees: 10 - 49
Avg. Project Cost: $50,000+
Ratings:
4.5
7 Reviews

Service Line

  • Mobile App Development
  • Web Development
  • UI-UX Design
  • Custom Software Development
  • Web Design
  • Digital Strategy
Momentum3 is a software development company that turns ideas into working products. Momentum3 takes on projects ranging from websites to mobile apps to custom software builds. With 10 - 49 people on staff, Momentum3 can take on projects of varying size. Clients can expect pricing around $25 - $49/hr, with projects averaging about $50,000. Overall, Momentum3 is one of the options worth shortlisting for a technology project.
designli

Details

Founded: 2013
Hourly Rates: $100 - $149
Employees: 10 - 49
Avg. Project Cost: $10,000+
Ratings:
4.6
7 Reviews

Service Line

  • Mobile App Development
  • Web Development
  • UI-UX Design
Designli works with clients to plan, build, and ship digital products. Designli focuses on Mobile App Development. Its team includes 10 - 49 specialists working across design, development, and delivery. Typical hourly rates run around $100 - $149/hr, with an average project cost near $10,000. These details offer a useful starting point when evaluating Designli.
treeline interactive

Details

Founded: 2004
Hourly Rates: $150 - $199
Employees: 10 - 49
Avg. Project Cost: $25,000+
Ratings:
4.1
6 Reviews

Service Line

  • Mobile App Development
  • Web Development
  • UI-UX Design
Since 2004, Treeline Interactive has operated as a technology services provider. Treeline Interactive focuses on Custom Software Development. The company operates with a team of 10 - 49 professionals. Clients can expect pricing around $150 - $199/hr, with projects averaging about $2,500,000. Overall, Treeline Interactive is one of the options worth shortlisting for a technology project.
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Value from a App Development company in Bellevue comes less from the rate you negotiate and more from whether the team understands the business problem behind the build. Firms that ask about your actual goals before proposing a solution, and that stick around to look at usage data after launch, tend to produce work that pays for itself. A App Development partner in Bellevue chasing the lowest quote rarely correlates with the best long-term outcome.

Yes — you can filter App Development companies in Bellevue by budget range, hourly rate, team size, and area of specialization before reaching out to anyone. Pairing those filters with review scores usually gets you to a realistic shortlist in a few minutes instead of manually working through every listing in the category.

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 Bellevue responds to reviews at all, since that habit tends to mirror how they handle feedback during an actual project.

Get clear, specific answers on: who owns the code once it's delivered, what the support window looks like after launch, how they handle a team member leaving mid-project, and what their process is when a client requests a scope change. Vague or evasive answers to any of these from a App Development company in Bellevue are a bigger red flag than a slightly higher quote.

It tells you quite a lot, actually. A App Development company in Bellevue with a healthy share of repeat clients is being chosen again by people who already know exactly what working with them is like — a stronger signal than a first-time review can offer. When comparing options, ask directly what share of their business comes from returning clients and, if possible, talk to one of them.

A good App Development company in Bellevue 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 Bellevue becomes an ongoing part of how the business grows rather than a vendor you call once and don't hear from again.
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