The retention and revenue partner for ecommerce brands ready to compound.
Klaviyo lifecycle programs, paid media engines, and Shopify storefronts built to convert and keep more customers.
Selected Partners
The work
How Shinola Grew Klaviyo Revenue 27% During BFCM
How Promix Turned Retention Into a Multi-Million Dollar Growth Engine
An Organic Social Framework that Led to Over 1.1 million New Followers for Marchesa
Baking Email and Paid Advertising Growth into Levain Bakery
How Bleacher Report Drove $4M in Revenue Through Email, SMS & Advertising
Brewing a Faster, Smarter Storefront for nutpods
From the Mound to the Mission: How Mariano Rivera Elevated His Foundation Online
Rebuilding the Web’s Largest Movie Poster Store for Speed, Scale, and Growth
How Duncan Toys Modernized Its Ecommerce Experience with Shopify
Operator-built. Operator-run.
Zettler Digital was started by people who launched, ran, and sold ecommerce brands. We work across retention, paid media, and Shopify development because those disciplines shape each other. We're one of a handful of agencies worldwide to hold both Shopify Platinum and Klaviyo Elite status.
Services
Three disciplines. One operating system.
Each service can stand alone. The value compounds when they work together.
Website Design & Development
Shopify storefronts designed and developed for brands that have outgrown templates. Performance and brand engineered together.
Retention
Klaviyo lifecycle programs designed around the customer journey. Email and SMS built to compound.
Paid Advertising
Acquisition campaigns across Meta, TikTok, and Google built for brands that measure real outcomes.
Why leading brands trust Zettler Digital
Over 400 brands have partnered with us for retention, advertising, and Shopify optimization since 2013.
What it's like to work with us
"Extremely responsive and proactive. They actively make suggestions to improve performance, not just execute."
"Best team we've worked with in over a decade running this business."
"Zettler has been a valued partner, elevating my social media, building my website, and supporting The Mariano Rivera Foundation."
"A great partner on our full site rebuild. Redesigned and migrated to Shopify 2.0, blending our brand and third-party apps into a faster, more flexible site with zero downtime."
"Zettler Digital has been a game-changer. They built us an organized, data-driven roadmap that keeps everything clear and actionable, with prompt communication throughout."
"Wonderful to work with. Dependable, timely, and like an extension of our team. A scrappy, responsive partner with deep knowledge as our brand keeps growing."
"Working with Zettler Digital has been a great experience. Extremely knowledgeable about Shopify, dedicated to their craft and highly professional."
"We've gone through 10-15 developers. Zettler Digital is heads above everyone else. They communicate clearly, understand the issues, and solve problems with ease."
"Direct-to-consumer ecommerce was a new channel for us. Having Zettler as a partner across email/SMS and paid advertising has been impactful."
"Zettler Digital transformed our email program into one of our most reliable revenue channels."
Best-in-class tools, deployed for revenue
Every retention program, ad campaign, and storefront we ship runs on the tools powering the best DTC brands.
Tell us what you're building. We'll tell you what it takes.
Every engagement starts with a conversation, not a pitch. If we're the right partner, you'll know within thirty minutes.