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Top Magento Development Companies in Seattle, WA

We've found the best
Magento Development Companies
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Looking for the best Magento development company in Seattle? UpCity compiles authentic reviews, company descriptions, project examples, and more into a list for you to review. Feel confident you're finding the top provider for your business.

UpCity offers objective, independent research and verified user reviews. We earn compensation from some providers who sign up for sponsored profiles. Learn more about our trusted providers.

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Any/All Available
Attorneys
Business Services
Construction
E-Commerce
Entertainment
Finance
Food/Beverage
Healthcare
Industrial
Non-Profit
Restaurant
SaaS
Startups
Businesses provider works with
Any/All Available
Small Businesses: 1–250 employees
Medium Businesses: 251–999 employees
Enterprise Businesses: 1000+ employees
Provider's minimum per-project cost
Any/All Available
Up to $10,000
Provider's minimum retainer cost
Any/All Available
Up to $500, monthly
Up to $2,000, monthly
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10 Provider(s)Last Updated: April 24, 2025
UpCity Silver Sponsor
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Services
Software DevelopmentWordPress DevelopmentMobile App DevelopmentView all
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Business Summary:
Montana Banana designs and develops Internet strategies for corporate, e-commerce and entertainment based clients. We have offices in Seattle, WA and Los Angeles, CA but design products for clients around the world.
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Industry(s):
SaaS | E-Commerce | Business Services
Business Details
Businesses provider works with
Small, Medium
Provider's minimum per-project cost
$5,000 or more
Provider's minimum retainer cost
Less than $500, monthly
UpCity Engaged Partner icon
I have been working with Sandcastle since 2015. They have been an excellent partner in the development, management and ongoing refinement of a mobile app platform - including the native app as well as the admin tool used to manage it. The entire Sandcastle team are knowledgeable, responsive and generally a true pleasure to work with.
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Services
Mobile App DevelopmentiOS App DevelopmentAndroid App DevelopmentView all
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Business Summary:
Sandcastle Web Design & Development is a full-service web design & development agency with a wealth of technical experience and a personalized approach to each project. We have 2+ decades of experience in web design, e-commerce, custom application development, mobile apps and digital marketing.
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Industry(s):
Business Services | E-Commerce | Entertainment | Finance | Food/Beverage | Industrial
Business Details
Businesses provider works with
Small, Medium
Provider's minimum per-project cost
$5,000 or more
Provider's minimum retainer cost
Less than $500, monthly
UpCity Local Excellence Award Winner - An illustration of a certificate.

efelle creative

Seattle, WA, US
Services
PPCCreative AgenciesContent MarketingView all
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Business Summary:
Since 2005, Efelle has provided immersive, engaging web design that DRIVES BUSINESS.
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Industry(s):
Restaurant | Non-Profit | Finance | Construction | Attorneys | Healthcare
Business Details
Businesses provider works with
Small, Medium, Enterprise
Provider's minimum retainer cost
$1,500 or more, monthly

coolblueweb

Seattle, WA, US
Services
Web DesignMagento Development
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Business Summary:
coolblueweb was founded in 2009 and works entirely in-house in Seattle. We have extensive experience developing websites, web applications and ecommerce stores, particularly on the Magento & WooCommcerce platforms. Our clients are active members of our team, and are involved in every step of the process! We use an agile development process to keep our projects’ budgets, timelines, and scopes in sync.  By prioritizing a project’s scope, we work to deliver the most important features before focusing on the embellishments.  This pushes projects to finish on-time and on-budget, always. coolblueweb strives to build productive, supportive relationships with our long-term clients, through ongoing technical support and maintenance, as well as making ourselves accessible and available for future development work and consulting. We take pride in being an accessible and expert team. All of our work is completed in Seattle, WA and we’re always available by phone or email if you have any questions.  
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Industry(s):
Business Services
Business Details
Businesses provider works with
Small, Medium, Enterprise
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Globant

Seattle, WA, US
Services
Cloud ConsultingSoftware DevelopmentDigital MarketingView all
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Business Summary:
L4 Digital, a Globant company, is a leading digital product agency that creates innovative and meaningful experiences to engage people across every screen. The company offers the digital product consulting, design, development, and quality assurance se...
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Industry(s):
Business Services
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Helios Solutions

Seattle, WA, US
Services
Software DevelopmentMagento Development
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Business Summary:
Helios Solutions is a global technology company that provides end-to-end software development services to help businesses transform for the digital era.
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Jennergy

Seattle, WA, US
Services
Magento Development
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Business Summary:
Meet Jennergy, an award-winning creative agency focused close client relationships. We have energy, fresh ideas and efficiency to produce powerful results.
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Mercutio

Seattle, WA, US
Services
Magento Development
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Business Summary:
The description of our homepage.
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New Theory

Seattle, WA, US
Services
Magento Development
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Business Summary:
New Theory is an award winning, 11-person web design and development company in Seattle, specializing in ecommerce, WordPress, and Magento.
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Peexl Web Development

Seattle, WA, US
Services
Magento Development
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Business Summary:
Find & hire Magento developers for your ecommerce website. ► ► ► With certified Magento developers guiding our team, each website is fully optimized for efficiency and durability.
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