Meet Cass&York - Our strength is collaboration

We build E-commerce solutions that fuel growth and simplify Complexity

At Cass&York, we're not just coding—we're co-creating a digital future. Our team's unique blend of technical acumen and strategic insight allows us to chart paths through the digital landscape for businesses of all shapes and sizes. From high-fashion and retail heavyweights to groundbreaking startups and specialized sectors like waste management and commercial roofing, we’ve got the versatility and experience to make a tangible impact.

We're more than just a service provider—we're a collaborative partner in your digital journey. Our method is grounded in understanding your unique challenges, needs, and objectives. From this foundation, we craft web experiences that aren't just functional or aesthetically pleasing—they're strategic, innovative, and tailor-made for your business.

We believe every eCommerce brand should have the freedom to scale without limitations. Our mission is to design and develop custom Shopify solutions that drive growth and empower brands to adapt and innovate as they expand. Whether you’re integrating with complex systems, enhancing functionality, or optimizing performance, we’re here to make sure your store reaches its full potential.

Global team members
35
Years in service
10
In client transactions
$25M

Our process - From discovery to deployment, we take a collaborative approach to deliver precisely what you need.

  • Focus on Quality. We strive for excellence in everything we do, delivering high-quality solutions that meet and exceed the expectations of our clients.
  • Continuous Improvement. We are dedicated to continuously improving our solutions and processes to stay ahead of the curve and meet the evolving needs of businesses.
  • A Personal touch. We believe in being open and transparent in our approach, building trust with our clients and partners through clear communication and collaboration.

Services - We help you identify, explore and respond to new opportunities.

We take care of the journey from MVP to production in your application. If your tech team is too busy we take care of the rest.

  • Tailored to Scale. We design custom apps that evolve with your store’s needs, helping you avoid costly replatforming or limits.
  • Data-Driven Functionality. Each app is optimized for peak performance and meaningful, measurable results.
  • Built for Performance & Conversion. From speed optimization to feature-rich integrations, we ensure every app is finely tuned for better user experience and conversion rates.

- From the blog

Our team of experienced designers and developers has just one thing on their mind; working on your ideas to draw a smile on the face of your users worldwide. From conducting Brand Sprints to UX Design.

Our offices

  • Headquarters
    6001 Cass Ave
    Detroit, Michigan