Zettler Digital
Company Overview
Zettler Digital is a US digital agency with Shopify development, retention and growth capabilities. Its ecommerce case studies show a practical focus on modernizing aging storefronts, improving performance and giving internal teams more control over merchandising and campaigns.
The agency works on Shopify migrations, Online Store 2.0 rebuilds, UX/UI, technical cleanup, email and advertising. Its development work is often framed around reducing dependency on legacy code while also improving measurable customer behavior, which is relevant to brands that need both operational flexibility and conversion gains.
Duncan Toys moved from a legacy ecommerce setup to Shopify 2.0; Zettler reports conversion increasing 136%, mobile load performance improving 29% and year-over-year revenue growing 10x. nutpods received a full Shopify 2.0 rebuild that produced a reported 10% lift in sessions adding products to cart, 11% higher conversion and a 21% reduction in average load time. These cases demonstrate performance-led modernization.
Expertise & Capabilities
Core Expertise
Primary platforms, services and industries.
Commerce & Technology
Business models, capabilities, integrations and technical stack.
Clients & Delivery
Who the company works with and how engagements are delivered.
Trust & Experience
Partnerships, certifications, awards and selected clients.
Case Studies
2 case studies
Duncan Toys – Legacy Platform to Shopify
Zettler Digital delivered ecommerce work for Duncan Toys on Shopify.
Services: Platform Migration, Ecommerce UX/UI Design, Performance Optimization
Challenge
The heritage toy brand’s old ecommerce system limited mobile performance, content management and campaign flexibility.
Solution
Zettler Digital rebuilt the store on Shopify Online Store 2.0 with custom theme work, stronger navigation and improved content management.
Results
The official case reports conversion up 136%, mobile load time improved 29% and year-over-year revenue increasing 10x.

nutpods – Shopify 2.0 Rebuild
Zettler Digital delivered ecommerce work for nutpods on Shopify.
Services: Custom Ecommerce Development, Performance Optimization, Ecommerce UX/UI Design
Challenge
The plant-based creamer brand had outgrown an old custom Shopify theme that created technical debt and developer dependence.
Solution
Zettler Digital rebuilt the storefront on Shopify Online Store 2.0, simplified legacy code and improved key shopping templates.
Results
The official case reports 10% more sessions adding products to cart, conversion up 11% and average load time down 21%.