Why brands abandon custom and homegrown platforms
A custom commerce platform usually starts as an advantage: total control, built exactly to the brand's needs. Over time it becomes the opposite. The stack grows into something only a small group of engineers can safely change, every feature is bespoke, and the brand is paying to build and maintain capabilities that come standard everywhere else. The decision to move to Shopify is rarely about features; it is about getting out from under the cost and fragility of owning the whole platform.
The hidden cost of a custom headless build
Headless was supposed to mean fast and flexible. For many brands it quietly became a second engineering problem: you now own the frontend, the backend, the infrastructure, and every integration, and you keep them all running yourself. Performance budgets slip, the talent who built it move on, and shipping a simple change takes a specialist. The flexibility is real, but so is the bill, and most of it is maintenance, not growth.
This is exactly the trap a custom or homegrown stack creates, and it is the reason brands like Everlane came to us to get off one.
What you gain on Shopify
Moving onto Shopify trades that ownership burden for leverage.
- A managed, secure, scalable platform you do not have to keep running yourself, with the highest-converting checkout in commerce.
- The Shopify App Store and ecosystem, so you stop building and maintaining undifferentiated features and integrate proven ones instead.
- Platform velocity: your team ships merchandising and experience changes without a specialist release cycle.
- Lower total cost of ownership, with engineering budget redirected from maintenance to growth.
- Performance preserved: you can still go headless on Hydrogen and Oxygen, or hybrid, where the experience genuinely needs it, without owning the entire stack.
Migrating without losing performance or your brand
The fear with leaving a custom build is losing the bespoke experience and the speed. Done right, you lose neither. We preserve the editorial, content-led experience that makes the brand distinct, rebuild on the right architecture (often a fast Liquid or hybrid build rather than a heavier headless one), and migrate products, customers, orders, and content with their relationships intact. URLs are mapped completely to 301 redirects so the SEO equity built up on the custom site carries over.
Re-integrating your systems
A custom platform is usually wired deep into the business: ERP, PIM, CRM, analytics, and a customer-data platform like Segment. The migration re-integrates all of it through governed, monitored flows, so the back office moves with the storefront rather than being left behind. Explore our integration practice for the specifics.
The proof: faster and simpler after the move
We have run this move for some of the most design-forward brands in DTC. SDG migrated Everlane off a decade-old homegrown platform onto Shopify Plus, front end and back end, on a build Shopify's own president called 4.5x faster than the headless stack it replaced. Glossier, our Shopify Build Award-winning work, and MeUndies are cut from the same cloth: brands that chose to stop maintaining a bespoke platform and put that energy into growth instead. See the Everlane case study, or our migration service.