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Top Performance Optimization Companies in 2026

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

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

Craftberry is a Shopify ecommerce agency focused on development, CRO and ongoing growth support. The company works with ecommerce brands that need brands that need conversion-focused Shopify improvements, migration and retained technical support, with official project material showing hands-on delivery...

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
Varna, Bulgaria
No reviews yet

G & Co. is a retail and ecommerce consulting agency focused on strategy, customer experience, digital product and design. The firm works with established consumer brands where the ecommerce challenge is often broader than selecting or implementing a platform, encompassing...

Services
Analytics and TrackingAPI DevelopmentConversion Rate OptimizationCustom Ecommerce Development
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
LinkedIn company size: 51-200 employees
Headquarters
New York, United States
No reviews yet

wecanfly is a Shopify Plus agency with migration, B2B and custom development expertise for European brands. The company works with ecommerce brands that need complex platform moves, international stores and wholesale functionality on Shopify, with official project material showing hands-on...

Services
Analytics and TrackingAPI DevelopmentB2B Ecommerce DevelopmentConversion Rate Optimization
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
51-100 employees
Headquarters
Wroclaw, Lower Silesian, Poland
No reviews yet

Fostr is an ecommerce agency or consultancy based in Newcastle upon Tyne, United Kingdom. It focuses on Shopify Plus strategy, design and technology for luxury, fashion, beauty and wellness 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
11-50 employees
Headquarters
Newcastle upon Tyne, England, United Kingdom
No reviews yet

Unified is a UK ecommerce agency delivering Shopify, Magento and multichannel digital commerce programs. The company works with ecommerce brands that need retailers that need replatforming, B2B workflows and design-led digital transformation, with official project material showing hands-on delivery rather...

Services
Analytics and TrackingAPI DevelopmentB2B Ecommerce DevelopmentConversion Rate Optimization
Platforms
MagentoShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
51-100 employees
Headquarters
London, England, United Kingdom
No reviews yet

Create8 is a Stockport and Manchester ecommerce growth agency specializing in Shopify strategy, UX and development. The agency works with retailers that need to migrate from legacy ecommerce systems, simplify store management or improve the buying journey through stronger search,...

Services
Analytics and TrackingB2B Ecommerce DevelopmentConversion Rate OptimizationCustom Ecommerce Development
Platforms
MagentoShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Stockport, England, United Kingdom
No reviews yet

Radiant is an ecommerce agency or consultancy based in Birmingham, United Kingdom. It focuses on custom Shopify Plus development, systems integration, ecommerce strategy, conversion optimization and growth. Its active public website and service positioning were reviewed for this Ecostaff dataset...

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
Birmingham, England, United Kingdom
No reviews yet

PureNet is a UK ecommerce consultancy and implementation agency working across Shopify, integrations and bespoke digital commerce. The company works with ecommerce brands that need retailers that need platform migration, complex catalogues and practical operational integration, with official project material...

Services
Analytics and TrackingAPI DevelopmentB2B Ecommerce DevelopmentConversion Rate Optimization
Platforms
Adobe CommerceMagentoShopify
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
LinkedIn company size: 51-200 employees
Headquarters
York, England, United Kingdom
No reviews yet

Space 48 is a multi-platform ecommerce consultancy and systems integrator with deep Shopify Plus and Adobe Commerce experience. The company works with ecommerce brands that need large retailers facing replatforming, integrations and enterprise-scale digital growth, with official project material showing...

Services
Analytics and TrackingAPI DevelopmentB2B Ecommerce DevelopmentConversion Rate Optimization
Platforms
Adobe CommerceBigCommerceMagento
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
51-100 employees
Headquarters
Manchester, England, United Kingdom
No reviews yet

Limesharp is an ecommerce agency or consultancy based in London, United Kingdom. It focuses on Shopify design, technology and strategy for fashion, beauty, lifestyle and premium retail brands. Its active public website and service positioning were reviewed for this Ecostaff...

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
London, England, United Kingdom
No reviews yet

Panagora is a Nordic ecommerce agency combining strategy, design and Shopify platform delivery for ambitious retail brands. The company works with ecommerce brands that need premium replatforming and customer-experience work where design quality and measurable commerce performance matter, with official...

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
Stockholm, Stockholm County, Sweden
No reviews yet

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
No reviews yet

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
No reviews yet

tante-e is an ecommerce agency or consultancy based in Cologne, Germany. It focuses on Shopify store builds, conversion optimization, international scaling and Klaviyo retention programs. Its active public website and service positioning were reviewed for this Ecostaff dataset on 2...

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
Cologne, North Rhine-Westphalia, Germany
No reviews yet

Strawberry is an ecommerce agency or consultancy based in Hull, United Kingdom. It focuses on ecommerce consultancy, Shopify launches, replatforming, B2B transformation and performance improvement. Its active public website and service positioning were reviewed for this Ecostaff dataset on 2...

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
Hull, England, United Kingdom