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Top Ecommerce App Development Companies in 2026

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

11 matching companies Structured company data Approved reviews only How Ecostaff evaluates directory data

Swanky

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Swanky is a Shopify-focused ecommerce agency founded in 2010 and headquartered in Exeter, United Kingdom. The company works with ambitious mid-market and enterprise brands on Shopify and Shopify Plus, covering replatforming, custom development, UX and design, conversion optimization, international expansion,...

Services
API DevelopmentConversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce App Development
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
51-100 employees
Headquarters
Exeter, England, United Kingdom
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Uncap

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Uncap is a Shopify Platinum Partner focused on B2B, manufacturing, distribution and unified commerce. The company works with ecommerce brands that need complex B2B catalogs, ERP-connected commerce and enterprise Shopify migration, with official project material showing hands-on delivery rather than...

Services
B2B Ecommerce DevelopmentCustom Ecommerce DevelopmentEcommerce App DevelopmentERP Integration
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Chicago, Illinois, United States
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Praella

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Praella is a global Shopify agency headquartered in Chicago for its North American operations, with teams across Europe and India. The company delivers D2C, B2B, hybrid and subscription commerce through strategy, UX design, web and app development, migrations, integrations and...

Services
API DevelopmentCustom Ecommerce DevelopmentData MigrationEcommerce App Development
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
101-250 employees
Headquarters
Chicago, Illinois, United States
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Chilliapple

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Chilliapple is a UK ecommerce development agency with WooCommerce, Magento and integration experience. The company works with ecommerce brands that need merchants that need custom purchasing logic and connections between ecommerce and operational systems, with official project material showing hands-on...

Services
API DevelopmentB2B Ecommerce DevelopmentCustom Ecommerce DevelopmentEcommerce App Development
Platforms
MagentoShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Tunbridge Wells, England, United Kingdom
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Latori

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Latori is a Shopify-focused ecommerce agency serving German and international brands with migration, systems integration and growth work. The company works with ecommerce brands that need Shopify Plus implementations that must connect storefront, ERP and omnichannel operations, with official project...

Services
Analytics and TrackingAPI DevelopmentB2B Ecommerce DevelopmentConversion Rate Optimization
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Wuppertal, North Rhine-Westphalia, Germany
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Eshop Guide

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Eshop Guide is a German Shopify consultancy and implementation agency focused on high-growth migrations, optimization and international commerce. The company works with ecommerce brands that need moving established merchants from legacy platforms to Shopify with stronger performance and lower operational...

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
Bochum, North Rhine-Westphalia, Germany
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Sunrise Integration

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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
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Expert Village Media

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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
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IT-Geeks

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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
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Charle Agency

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Charle Agency is a London-headquartered Shopify and Shopify Plus agency founded in 2018, combining strategy, design, development, search, CRO and retention. Its commerce work covers custom store builds, migrations, integrations, internationalization and ongoing growth for consumer brands. Official work includes...

Services
Conversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce App DevelopmentEcommerce Consulting and Strategy
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
$100-149/hr
Team size
11-50 employees
Headquarters
London, England, United Kingdom
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Eastside Co

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Eastside Co is a London-headquartered Shopify agency founded in 2012, combining design, development, migration, strategy and ecommerce marketing. Its team works across Shopify and Shopify Plus with capabilities in SEO, CRO, retention and international commerce for established consumer brands. Official...

Services
Conversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce App DevelopmentEcommerce Consulting and Strategy
Platforms
ShopifyShopify Plus
Minimum project
$10,000+
Hourly rate
$100-149/hr
Team size
51-100 employees
Headquarters
London, England, United Kingdom
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Buyer guide

How to choose the right Ecommerce App Development company

Start with relevance to your exact project, then compare commercial fit, delivery risk and evidence. A recognizable logo or a polished sales presentation is not enough on its own.

01

Relevant expertise

Check the platforms, services and industry experience that match the work you need.

02

Commercial fit

Compare project minimums, hourly rates, team size, location and delivery model.

03

Evidence and trust

Review relevant case studies, approved reviews and transparent verification signals.