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Top Theme Development Companies in 2026

Compare e-commerce companies offering Theme Development. Review platform expertise, industries served, team size, pricing signals, case studies and approved client feedback before selecting a provider for your project.

86 matching companies Structured company data Approved reviews only How Ecostaff evaluates directory data
No reviews yet

Netalico is a US ecommerce agency centered on Shopify and Shopify Plus, with experience in migrations, UX/UI, conversion optimization and long-term technical support. The company works with DTC and mid-market brands that need a senior commerce partner for both major...

Services
Analytics and TrackingConversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce Consulting and Strategy
Platforms
MagentoShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Miami, Florida, United States
No reviews yet

DYODE is a US ecommerce agency combining strategy, design, development and performance marketing. Its work is centered on brands that need commerce technology and acquisition programs to move together, with Shopify migrations and storefront development supported by ongoing optimization and...

Services
Analytics and TrackingConversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce Consulting and Strategy
Platforms
MagentoShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Fullerton, California, United States
No reviews yet

XgenTech is a Shopify Plus development agency with a notable concentration in supplements, sports nutrition and health-and-wellness ecommerce. The company supports brands through custom builds, subscription integration, checkout extensions, CRO implementation and long-term technical retainers rather than limiting engagements to...

Services
Analytics and TrackingAPI DevelopmentConversion Rate OptimizationCustom Ecommerce Development
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
New York, United States
No reviews yet

DigitlHaus is an ecommerce agency or consultancy based in Miramar Beach, United States. It focuses on Shopify and BigCommerce design, development, replatforming, SEO, conversion optimization and AI search work. Its active public website and service positioning were reviewed for this...

Services
Analytics and TrackingConversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce Consulting and Strategy
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Miramar Beach, Florida, United States
No reviews yet

Canesta is a Los Angeles ecommerce agency founded in 2016, working with small and mid-market brands across storefront development, UX, search and paid acquisition. Its platform experience spans BigCommerce, Shopify and Shopify Plus. Canesta is a practical fit for merchants...

Services
Analytics and TrackingB2B Ecommerce DevelopmentConversion Rate OptimizationCustom Ecommerce Development
Platforms
BigCommerceShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Los Angeles, California, United States
No reviews yet

Expert Village Media is a Shopify-focused web development company serving small and growing ecommerce brands. Its public projects cover new store builds, redesigns, catalog organization, app configuration, automation and SEO, with an emphasis on improving the basic operational and conversion...

Services
Analytics and TrackingConversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce App Development
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Indore, Madhya Pradesh, India
No reviews yet

IT-Geeks is an ecommerce development company with a large Shopify and Shopify Plus practice covering design, migration, performance and B2B functionality. The firm publishes detailed case studies for consumer and business sellers that need to modernize an existing storefront or...

Services
API DevelopmentB2B Ecommerce DevelopmentConversion Rate OptimizationCustom Ecommerce Development
Platforms
BigCommerceShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
101-250 employees
Headquarters
Salt Lake City, Utah, United States
No reviews yet

Lounge Lizard is a US digital agency operating since 1998, combining ecommerce development, experience design, branding and digital marketing for consumer-facing businesses. Its ecommerce work includes Shopify storefront strategy, custom development, page-speed improvement and conversion optimization. The company is most...

Services
Analytics and TrackingConversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce Branding
Platforms
Shopify
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Holbrook, New York, United States
No reviews yet

Electric Eye is a US Shopify-focused ecommerce agency that combines platform migration, storefront design, development and ongoing optimization. The team works with product brands that need a store to be easier to manage while preserving the custom functionality, customer data...

Services
Analytics and TrackingConversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce Consulting and Strategy
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
LinkedIn company size: 2-10 employees
Headquarters
Columbus, Ohio, United States
No reviews yet

The Taproom is an Atlanta-rooted Shopify consultancy specializing in Shopify and Shopify Plus customer journeys, custom storefronts and selective growth support. Its work is particularly relevant to consumer brands that need hands-on senior ecommerce guidance, platform migration, custom theme work...

Services
Analytics and TrackingConversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce Consulting and Strategy
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
1-10 employees
Headquarters
Atlanta, Georgia, United States
No reviews yet

Verbal+Visual is a New York ecommerce agency focused on strategy, UX/UI, Shopify Plus development and optimization for established consumer brands. Its work frequently combines platform migration with design systems, conversion improvement, omnichannel requirements and business-to-business functionality. The agency’s public portfolio...

Services
Analytics and TrackingB2B Ecommerce DevelopmentConversion Rate OptimizationCustom Ecommerce Development
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
New York, United States
No reviews yet

Command C is a US ecommerce agency focused on rescue, migration and long-term growth for established online brands. Its public work spans Shopify Plus and BigCommerce, with an emphasis on reducing technical debt, integrating back-office systems and building custom experiences...

Services
Analytics and TrackingAPI DevelopmentB2B Ecommerce DevelopmentConversion Rate Optimization
Platforms
BigCommerceMagentoShopify
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Carrboro, North Carolina, United States
No reviews yet

Coldsmoke Creative is an ecommerce agency or consultancy based in Aspen, United States. It focuses on Shopify Plus design, development, migration, Hydrogen builds and conversion optimization for established ecommerce brands. Its active public website and service positioning were reviewed for...

Services
Analytics and TrackingConversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce Consulting and Strategy
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
1-10 employees
Headquarters
Aspen, Colorado, United States
No reviews yet

Sunrise Integration is a US ecommerce integration and development company with long experience connecting Shopify to ERP, POS, logistics and custom business systems. Its strongest fit is for merchants where the storefront cannot operate independently from subscriptions, inventory, fulfillment, retail...

Services
API DevelopmentB2B Ecommerce DevelopmentCustom Ecommerce DevelopmentData Migration
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Pasadena, California, United States
No reviews yet

Conspire is a Los Angeles Shopify-focused ecommerce agency founded in 2011. It works with consumer brands on strategy, design, development, replatforming and long-term commerce growth. Its verified work covers Shopify and Shopify Plus migrations from legacy platforms, custom B2B functionality,...

Services
Analytics and TrackingAPI DevelopmentB2B Ecommerce DevelopmentConversion Rate Optimization
Platforms
ShopifyShopify PlusWooCommerce
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Los Angeles, California, United States