Headless Shopify Agency
Start with a headless readiness assessment: a written recommendation inside a week, yours to keep even if the answer is stay on a theme. When headless pays off, we build it on Hydrogen and Oxygen with a fixed quote.
Headless earns its keep for content-heavy storefronts, product configurators, multi-brand frontends, and teams that ship React. For everyone else, we'll say so.
Every headless engagement here starts the same way: a readiness assessment. We audit your store, your team, and your roadmap, and inside a week you have a written recommendation. If headless pays off, it comes with a Hydrogen architecture, a timeline, and a fixed quote. If it doesn’t, it says so, and tells you what would deliver the same result on a theme. The assessment is yours to keep either way.
What the assessment covers
- Whether the storefront experiences you need are ones a theme can’t express, or ones a better theme would deliver at a fraction of the cost
- Who on your side ships frontend code, and what owning a React storefront means for them month to month
- The migration path from your current theme: URL parity, redirects, structured data, analytics, and what your rankings depend on
- If the answer is yes, the Hydrogen and Oxygen architecture, a milestone timeline, and a fixed quote
Custom Shopify Applications We Have Shipped
A headless storefront is a custom application that talks to Shopify’s APIs, so the question worth asking an agency is what they have built and still run on those APIs. Ours:
Custom Shopify appManual order routing, eliminated
The global leader in chemical-free decaf runs a marketplace where every order routes to an independent roaster. Routing on metaobjects, live carrier rates per origin, automated label dispatch.
See the Swiss Water project →MVP in two weeks, App Store in under four months
Exit-intent storefront behaviour running against live commerce data, built end to end as fractional CTO and full-stack developer for AppSumo's Head of Growth.
See the CartCapture project →“I hired Alex as a fractional CTO to help build a custom Shopify app that I had been thinking about for months and he has been nothing short of incredible. This is the guy you want in your corner when trying to do anything in the world of Shopify, if you get a chance to work with him absolutely do it.” more about CartCapture
Who you'll work with
You scope the project with the people who build it. The developer on the kickoff call is the developer on launch day.
Request a Headless Assessment
Tell us what you're running now, what the theme can't do, and what the team looks like. We'll tell you honestly whether headless pays off for you, and if it does, come back with an architecture, a timeline, and a fixed quote.
When headless pays off
Headless Shopify is the most oversold service in ecommerce. Plenty of agencies will happily replatform a working theme onto a custom frontend because the invoice is bigger. We start somewhere less profitable: checking whether you need it at all.
Four situations make the case, and they are the checklist we run in every assessment.
The first is content-heavy storefronts, where editorial and lookbook material lives in a real CMS and renders alongside commerce without theme-section contortions. The second is custom buying experiences: product configurators and bundle builders with app-like interactivity that Liquid and theme JavaScript can’t express cleanly.
Third is multi-storefront architecture, where several brands or regions share one frontend codebase and design system.
Fourth is the one that usually goes unmentioned in the sales conversation. Do you have a team that ships frontend code? Headless hands you ownership of the frontend permanently. If nobody on your side (or on retainer) writes React, a theme keeps you safer.
The question we put to merchants is blunt: what revenue does the headless version unlock that the theme version can’t? For those four cases there’s usually a concrete answer. For everyone else the answer is a shrug, and a shrug doesn’t fund a rebuild and a permanent engineering line item.
If none of them apply, we’ll say so. A well-built custom theme delivers most of the performance story at a fraction of the cost, and our Shopify theme development service exists for exactly that case.
What a Hydrogen build includes
When headless is the right call, we build on Hydrogen, Shopify’s first-party React framework, deployed on Oxygen. Staying first-party matters more than it sounds. Cart, checkout, product data: all of it flows through supported APIs instead of a stack of third-party glue, which is the difference between a storefront your team can still operate in two years and one that quietly becomes unmaintainable.
Architecture comes first. Storefront API data design, CMS integration (Sanity, Contentful, or your pick), caching strategy, cart behaviour. Then the build itself: Hydrogen components with automated tests, checkout wiring, analytics, and the structured data carried over from your current store.
SEO parity is a launch requirement here, not a cleanup task afterwards. URL mapping, redirect rules, meta and schema handling, crawl verification, all of it verified before cutover. Rankings you’ve earned come with you.
Launch and handoff means Oxygen deployment, monitoring, performance baselines, and documentation your team can actually operate from.
Why us for headless
We’ve spent 14+ years on Shopify, including engineering time inside Shopify itself, and we build custom Shopify apps on the same APIs Hydrogen consumes every week. That matters for headless more than for any other service: a headless storefront is a custom application, and you want it built by a team that ships and maintains production Shopify applications, not one that treats it as a big theme job.
Headless projects also tend to sit inside bigger technical roadmaps. If you need someone to own that roadmap, our fractional ecommerce CTO service covers architecture and vendor decisions, and for enterprise storefronts on Plus, checkout extensibility and Functions come into scope through our Shopify Plus agency work.
Related Services
Not sure whether you need headless, a rebuilt theme, or just performance work? Start with why your Shopify store is slow, or see our design and development service for full store builds. Browse our portfolio for shipped work.
What's included
- Written readiness assessment first, yours to keep
- Hydrogen storefronts deployed on Oxygen
- Storefront API and custom frontend architecture
- Content-rich builds with your CMS of choice
How it runs
- 1Assess
We audit your store, team, and roadmap to confirm headless actually pays off for you. Sometimes the answer is a better theme.
- 2Architect
Storefront API data flows, CMS integration, caching strategy, and the migration path from your current theme.
- 3Build
Hydrogen components, cart and checkout wiring, SEO parity with your existing URLs, automated tests.
- 4Launch
Oxygen deployment, redirect map, performance baselines, and a runbook your team can operate.
FAQs
What is headless Shopify?
Headless separates your storefront frontend from Shopify's theme layer. Shopify keeps running the commerce engine, from products through checkout, behind its APIs, while your frontend is a custom application you control completely. You gain flexibility and lose the simplicity of theme editing, which is exactly the trade-off we help you evaluate.
What is Shopify Hydrogen?
Hydrogen is Shopify's own React framework for building headless storefronts, and Oxygen is the hosting Shopify provides for it. It's the path we recommend for most headless builds because it stays close to the platform: the cart and checkout integrations are first-party rather than glued together.
Do I actually need headless?
Most stores don't. Modern Online Store 2.0 themes cover the majority of design and performance needs at a fraction of the cost. Headless earns its keep when you need storefront experiences a theme cannot express: heavy editorial content, complex product configurators, multi-brand frontends on shared infrastructure, or app-like interactivity. We'll tell you which side of that line you're on before any code is written.
How much does a headless Shopify build cost?
Meaningfully more than a theme build, both up front and ongoing, because you own the frontend that Shopify's theme layer would otherwise maintain for you. Typical Hydrogen builds start in the mid five figures. If that number doesn't clear your ROI bar, that's a sign a custom theme is the better investment, and we build those too.
Will going headless hurt my SEO?
It shouldn't, but it can when done carelessly. Hydrogen supports server-side rendering, so crawlers get full HTML. The risks are in the details: URL parity, redirects, structured data, and meta handling all move into your codebase. We treat SEO parity as a launch requirement, not an afterthought.
Can you take over an existing headless storefront?
Yes. We pick up Hydrogen and other headless builds that need stabilizing, new features, or performance work. We start with a short audit so you know the state of the code before committing.
