Top 10+ eCommerce App Development Companies in Seattle, WA | eCommerce App Developers Seattle 2026

Last Updated 27th August 2026 | Category: Top App Development Firms

The List of Top 10+ eCommerce App Development Companies In Seattle, Washington | Top eCommerce App Developers Seattle, WA 2026

1. Hyperlink InfoSystem

Sponsored
Claim Pending
Founded 2011
Employees 1000+
Hourly Rate < $25
Our Rating 5.0/5 (65 reviews)
Avg. Project Cost USD 50,000+
Contact No +13097914105
Email info@hyperlinkinfosystem.com
View Profile Visit Website
mobile app development
web development
ar app development
unity 3d game development
wearable app development
ui-ux design
web design
internet of things
ai development
Businesses looking for a reliable technology partner often consider Hyperlink InfoSystem. Their core services include Mobile App Development. Hyperlink InfoSystem employs 1000+ people. Clients can expect pricing around < $25/hr, with projects averaging about $50,000. Overall, Hyperlink InfoSystem is one of the options worth shortlisting for a technology project.

2. Redwerk

Not Claimed
Founded 2005
Employees 10 - 49
Hourly Rate $50 - $99
Our Rating 4.3/5 (8 reviews)
Avg. Project Cost USD 5,000,000+
Contact No +13473291444
Email sales@redwerk.com
View Profile Visit Website
mobile app development
web development
ui-ux design
custom software development
Businesses looking for a reliable technology partner often consider Redwerk. The company's main offerings are Web Development and Mobile App Development. The company operates with a team of 10 - 49 professionals. Typical hourly rates run around $50 - $99/hr, with an average project cost near $5,000,000. This profile is a starting point — reach out to Redwerk directly to discuss project specifics.
Not Claimed
Founded 2001
Employees 500 - 999
Hourly Rate $50 - $99
Our Rating 4.6/5 (7 reviews)
Avg. Project Cost USD 5,000,000+
Contact No +46706466067
Email accelerate@mentormate.com
View Profile Visit Website
mobile app development
web development
custom software development
internet of things
Since 2001, MentorMate has operated as a technology services provider. The company's main offerings are Custom Software Development. With 50 - 249 people on staff, MentorMate can take on projects of varying size. Typical hourly rates run around $50 - $99/hr, with an average project cost near $5,000,000. These details offer a useful starting point when evaluating MentorMate.

4. Peaktwo

Not Claimed
Founded 2008
Employees 2 - 9
Hourly Rate $100 - $149
Our Rating 4.6/5 (6 reviews)
Avg. Project Cost USD 50,000+
Contact No +18777037325
Email info@peaktwo.com
View Profile Visit Website
mobile app development
custom software development
web design
e-commerce development
seo
Peaktwo works with clients to plan, build, and ship digital products. The company's main offerings are Mobile App Development and Custom Software Development. The company operates with a team of 2 - 9 professionals. Typical hourly rates run around $100 - $149/hr, with an average project cost near $50,000. This gives a quick snapshot of what to expect when working with Peaktwo.
Not Claimed
Founded 1994
Employees N/A
Hourly Rate N/A
Our Rating 4.2/5 (6 reviews)
Avg. Project Cost USD 25,000+
Contact No N/A
Email info@choiceinc.com
View Profile Visit Website
mobile app development
web development
ui-ux design
web design
social media marketing
Since 1994, Choice Information Services, Inc. has operated as a technology services provider. Choice Information Services, Inc. focuses on IT Consulting. The average project on record costs around $25,000. This profile is a starting point — reach out to Choice Information Services, Inc. directly to discuss project specifics.
Not Claimed
Founded 2014
Employees 10 - 49
Hourly Rate $100 - $149
Our Rating 4.6/5 (8 reviews)
Avg. Project Cost USD 2,500,000+
Contact No +18018542228
Email phil@devsquad.com
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web development
iot app development
custom software development
enterprise app development
DevSquad is a software development company that turns ideas into working products. DevSquad focuses on Mobile App Development. With 10 - 49 people on staff, DevSquad can take on projects of varying size. Clients can expect pricing around $100 - $149/hr, with projects averaging about $2,500,000. This profile is a starting point — reach out to DevSquad directly to discuss project specifics.
Not Claimed
Founded 2010
Employees 10 - 49
Hourly Rate $100 - $149
Our Rating 4.2/5 (6 reviews)
Avg. Project Cost USD 2,500,000+
Contact No +12063959050
Email contact@dogfishsoftware.com
View Profile Visit Website
mobile app development
web development
ui-ux design
web design
Dogfish Software has been in business since 2010, delivering technology projects for clients. Dogfish Software focuses on Mobile App Development. Dogfish Software employs 10 - 49 people. Typical hourly rates run around $100 - $149/hr, with an average project cost near $2,500,000. This profile is a starting point — reach out to Dogfish Software directly to discuss project specifics.
Not Claimed
Founded 2006
Employees 10 - 49
Hourly Rate $50 - $99
Our Rating 4.5/5 (6 reviews)
Avg. Project Cost USD 10,000+
Contact No +18006263503
Email sales@hypertrends.com
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mobile app development
web development
ui-ux design
custom software development
web design
blockchain development
cryptocurrency wallet development
ethereum blockchain
ico consulting blockchain implementation
HyperTrends Global Inc. has been in business since 2006, delivering technology projects for clients. The company's main offerings are Mobile App Development. HyperTrends Global Inc. employs 10 - 49 people. Clients can expect pricing around $50 - $99/hr, with projects averaging about $10,000. This profile is a starting point — reach out to HyperTrends Global Inc. directly to discuss project specifics.
Not Claimed
Founded 1996
Employees N/A
Hourly Rate N/A
Our Rating 4.2/5 (8 reviews)
Avg. Project Cost USD 25,000+
Contact No +18026574174
Email info@tagnewmedia.com
View Profile Visit Website
mobile app development
web development
game development
Tag New Media is a technology company founded in 1996. The company's main offerings are Mobile App Development. Projects with this company average about $25,000. This gives a quick snapshot of what to expect when working with Tag New Media.
Not Claimed
Founded 2010
Employees 2 - 9
Hourly Rate $100 - $149
Our Rating 4.1/5 (7 reviews)
Avg. Project Cost USD 5,000,000+
Contact No +12037029532
Email hello@agencylabs.com
View Profile Visit Website
mobile app development
web development
ui-ux design
custom software development
web design
e-commerce development
Since 2010, Agency Labs has operated as a technology services provider. Agency Labs focuses on Mobile App Development and Custom Software Development. Agency Labs employs 2 - 9 people. Clients can expect pricing around $100 - $149/hr, with projects averaging about $5,000,000. Overall, Agency Labs is one of the options worth shortlisting for a technology project.

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FAQs

Are there App Development companies in Seattle experienced with global Ecommerce deployments?
Several App Development companies in Seattle have delivered Ecommerce solutions for enterprise clients across Europe, North America, the Middle East, and Southeast Asia, managing cross-region compliance, multi-currency requirements, and localization at scale. Firms with global Ecommerce delivery experience typically assign dedicated delivery managers who handle time zone coordination and asynchronous communication protocols so international clients stay fully informed throughout the project. When vetting a App Development partner in Seattle for a cross-border Ecommerce rollout, specifically request references from projects that involved international data residency or regulatory compliance requirements.
Why should I hire a App Development company in Seattle for my Ecommerce project?
Hiring a App Development company in Seattle for your Ecommerce project typically provides a meaningful cost advantage over equivalent talent in Western Europe or North America without a proportional reduction in output quality. The region's maturing technology ecosystem has produced a large pool of Ecommerce-experienced engineers who have delivered production-grade solutions for international clients across multiple industries. Closer time zone alignment also reduces synchronization friction and enables faster turnaround on urgent Ecommerce development tasks compared to fully offshore alternatives.
What factors drive the total cost of a Ecommerce project at a App Development firm in Seattle?
The largest cost drivers in a Ecommerce project at a App Development firm in Seattle are feature complexity, the seniority mix of the assigned team, the number of third-party system integrations, and the depth of QA and testing coverage required. Regulatory compliance requirements, security auditing, accessibility standards, and custom infrastructure design can each add 20–40% to the base estimate depending on the project domain and target market. A dedicated discovery and scoping phase — typically two to three weeks — surfaces these cost factors early and prevents the budget overruns that commonly emerge mid-delivery when requirements are underspecified at the outset.
How are App Development companies in Seattle ranked for Ecommerce expertise in this directory?
Rankings for App Development companies in Seattle covering Ecommerce expertise are built from a composite of independently verified client reviews, Ecommerce portfolio depth assessments, industry recognition records, and overall market presence signals. Each company profile is reviewed by directory analysts who cross-validate submitted Ecommerce project references through direct client interviews rather than relying on self-reported data. Rankings are not influenced by advertising spend or paid placement — companies earn their position based on demonstrated Ecommerce delivery quality and independently verified client satisfaction scores.
How do I verify the quality of a App Development company's Ecommerce work in Seattle?
Verifying the quality of a App Development company's Ecommerce work in Seattle requires examining technical depth rather than surface-level portfolio presentations — ask to see actual Ecommerce architecture decisions, code review standards, and QA defect metrics from past projects. Contact two or three direct client references specifically for Ecommerce engagements and ask how post-delivery defects were handled, not just whether the project launched on time and on budget. A App Development firm in Seattle with genuine Ecommerce quality standards will welcome technical scrutiny and provide detailed process documentation without needing to be prompted.
Can a App Development partner in Seattle help me expand into new markets using Ecommerce?
Experienced App Development companies in Seattle with international Ecommerce delivery records are well-placed to support geographic expansion — handling localization, regional payment gateway integrations, multi-language content architectures, and jurisdiction-specific compliance requirements within the Ecommerce product from the start. Their cross-border delivery experience provides firsthand knowledge of the technical and regulatory pitfalls that slow market entry for companies approaching expansion without a Ecommerce-experienced partner. A App Development firm in Seattle that has already delivered Ecommerce solutions for clients in your target market can meaningfully compress your go-to-market timeline compared to building that regional expertise from scratch.
What is the best App Development company in Seattle for a long-term Ecommerce development partnership?
The best App Development companies in Seattle for a long-term Ecommerce partnership demonstrate organizational stability, a verifiable history of multi-year client relationships, dedicated team models with consistent staffing, and genuine investment in your Ecommerce product strategy beyond the immediate sprint backlog. Ask specifically about average client relationship duration — firms that sustain Ecommerce partnerships for three or more years demonstrate the kind of ongoing value delivery that justifies continued investment. The right long-term App Development partner in Seattle for Ecommerce will proactively contribute to your product roadmap, flag market-relevant opportunities early, and surface risks before you discover them yourself.

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