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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

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

Metacake is a US ecommerce growth and development agency with deep Shopify Plus experience. The team works with consumer brands and retailers on new commerce builds, replatforming, custom functionality and growth programs, often taking responsibility for both customer-facing design and...

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
Franklin, Tennessee, United States
No reviews yet

Solo Media Group is an ecommerce agency or consultancy based in New York, United States. It focuses on end-to-end Shopify strategy, brand-led design, custom development, integrations, retention marketing and support. Its active public website and service positioning were reviewed for...

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

Shero Commerce is a US ecommerce agency with a long-running practice in Shopify, B2B commerce, migrations, custom development, integrations and growth. The company works with brands that need to move away from older commerce platforms or extend Shopify beyond standard...

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
Red Hook, New York, United States
No reviews yet

Northern Commerce is a Canadian ecommerce and digital experience agency working across Shopify Plus, Adobe Commerce and growth marketing. The agency combines platform delivery with customer acquisition, retention and optimization, making it relevant to brands that want one team responsible...

Services
Analytics and TrackingAPI DevelopmentB2B Ecommerce DevelopmentConversion Rate Optimization
Platforms
Adobe CommerceShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
101-250 employees
Headquarters
London, Ontario, Canada

SDG

No reviews yet

SDG is an ecommerce agency or consultancy based in Los Angeles, United States. It focuses on enterprise Shopify strategy, UX and UI, replatforming, headless commerce, integrations, SEO, accessibility and support. Its active public website and service positioning were reviewed for...

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
Los Angeles, California, United States
No reviews yet

The Working Party is an Australian Shopify Plus specialist working with large retailers on platform transformation, headless commerce, loyalty, integrations and conversion improvement. Its portfolio is oriented toward complex retail environments where architecture, internal enablement and operational scale matter as...

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
Hawthorn, Victoria, Australia
No reviews yet

Convert Digital is an ecommerce agency or consultancy based in Melbourne, Australia. It focuses on Shopify and commercetools design, development, systems integration and strategy for scalable digital commerce. Its active public website and service positioning were reviewed for this Ecostaff...

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
Melbourne, Victoria, Australia
No reviews yet

Moustache Republic is an Australia and New Zealand digital commerce agency working across Shopify Plus, BigCommerce, strategy, UX/UI, development, data and ongoing support. The agency has more than a decade of ecommerce experience and publishes work for retailers that need...

Services
Analytics and TrackingAPI DevelopmentB2B Ecommerce DevelopmentConversion Rate Optimization
Platforms
BigCommerceShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
51-100 employees
Headquarters
Sydney, New South Wales, Australia
No reviews yet

1Digital Agency is a US ecommerce agency working across BigCommerce, Shopify and other major commerce platforms. The firm’s public case studies cover migrations, custom development, design, SEO and conversion work for merchants that need to replace outdated systems while preserving...

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

Digital Silk is a Miami digital agency focused on brand experience, web design and ecommerce growth for consumer-facing and product businesses. Its ecommerce work includes Shopify and Shopify Plus migrations, redesigns and conversion-focused storefront builds, often connected to broader brand...

Services
Analytics and TrackingConversion Rate OptimizationCustom Ecommerce DevelopmentEcommerce Branding
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
51-100 employees
Headquarters
Miami, Florida, United States
No reviews yet

Exhibea is a luxury-focused ecommerce and creative agency working across Shopify strategy, design, development and digital merchandising. Its portfolio includes fashion, fine jewelry, beauty, lifestyle and premium consumer brands where the online store must communicate product quality while remaining easy...

Services
Analytics and TrackingConversion Rate OptimizationCustom Ecommerce DevelopmentData Migration
Platforms
ShopifyShopify Plus
Minimum project
Not disclosed
Hourly rate
Not disclosed
Team size
11-50 employees
Headquarters
Los Angeles, California, United States
No reviews yet

Fyresite is a US ecommerce development agency with a substantial Shopify and Shopify Plus practice. Its case studies focus on technically demanding migrations, custom product experiences, ERP connectivity and performance work for merchants whose legacy platforms can no longer support...

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
Tempe, Arizona, United States