An experienced Shopify development team, in-house
Shopify Premier partners with a proven record across new builds, migrations, and long-term store development
Our development team has worked on Shopify stores across every complexity level - from new Shopify Plus builds and platform migrations to custom functionality, custom apps, and ongoing development support. We've migrated brands from Magento, WooCommerce and Adobe Commerce, won awards for ecommerce replatforms, and maintained client relationships that have lasted a decade or more.
Shopify Premier partner
Top partner tier, with direct Shopify access.
Shopify Plus certified
Certified to build on the enterprise tier.
Klaviyo Gold partner
Retention built into the store from day one.
Adobe Commerce partner
Migration expertise from the platform you're leaving.
Shopify development
Custom theme development
Bespoke Shopify themes built in Liquid from a blank canvas or rebuilt from an existing design system. High performing, conversion-focused and designed to represent your brand at its best.
Custom app development
Custom Shopify apps built around your customers and business requirements. Whether that's a product configurator, a price calculator, a custom checkout flow, or automation that existing apps can't handle.
Headless commerce
For brands that need complete frontend flexibility, we build decoupled Shopify storefronts that give you full control over performance, design and user experience, while keeping Shopify's commerce engine underneath.
System integrations
Connecting Shopify to the rest of your tech stack. ERP, OMS, PIM, loyalty platforms, fulfilment systems and more. We build reliable integrations that keep your operations running smoothly.
Platform migrations
Migrating to Shopify from Magento, WooCommerce, or a bespoke platform. We manage the full technical migration: data, redirects, SEO preservation, and a carefully planned cutover to minimise disruption.
Performance optimisation
Core Web Vitals audits, Lighthouse scoring, and systematic performance improvement for existing Shopify stores. We identify and fix the issues that slow your store down and cost you conversions.
Why choose Unified as your Shopify development partner
01
This means direct access to Shopify's engineering and partner teams, early access to APIs, faster issue resolution, and builds that stay aligned with Shopify's roadmap as it evolves.
02
Alongside our experienced developers, you have access to technical business analysts, solutions architects, an in-house creative team and data, SEO and analytics specialists.
03
We've won awards for ecommerce replatforms, worked with some of the UK's most recognised brands, and maintained client relationships that have lasted a decade or more.
04
We build stores that your merchandising and marketing teams can run without constant developer involvement. Intuitive metafield structures, flexible sections, and sensible content architecture mean your team stays in control.
05
Our client relationships don't end at launch. We stay involved as your store grows - advising on Shopify's latest feature updates, using data to identify opportunities, and working with you to keep improving and growing your business.
06
Whether we're building a new store or supporting an existing one, we work to Core Web Vitals targets, monitor with tools like Lighthouse and Calibre, and set up alerts so performance issues are caught and fixed before they affect your customers.
Our Shopify development process
Discovery
Architecture
Build
QA and UAT
Launch and support
Discovery
Architecture
Build
QA and UAT
Launch and support
FAQs
Do you only work with Shopify Plus, or standard Shopify too?
We specialise in Shopify Plus for established and scaling brands, but we work across all Shopify plans. If you're on standard Shopify and growing towards Plus, we can build with that migration path in mind from day one.
How long does a typical Shopify development project take?
A standard custom theme build typically runs 8-16 weeks from kick-off to launch, depending on complexity. Platform migrations from Magento or WooCommerce are usually 12-20 weeks given the data migration, redirect mapping, and QA involved. We'll give you a detailed timeline during scoping.
Can you work with our existing design team or in-house developers?
Absolutely. We regularly embed alongside in-house teams, whether that means taking designs from your creative agency and building them, pairing with your internal developers on a specific module, or running code reviews. We work in whatever model suits your team structure.
What happens after launch?
We offer ongoing development retainers for post-launch support, feature development, and platform maintenance. Several of our longest-standing client relationships started as project builds and transitioned into retainers. We can also provide an SLA-backed support contract if that's what your operations team needs.