Shopify Development Agency
Senior engineers building Shopify Plus stores, custom apps, headless storefronts, and B2B integrations for UK and EU brands. No templates, no shortcuts — engineering done properly.
Process
- Discovery. Engineer-led brief. We pull your stack, integrations, and growth goals into a written scoping document before any code is touched.
- Build. Theme, custom app, Functions, Hydrogen, or B2B catalogue work — picked to the brief, not pushed because the agency only has one tool.
- QA + UAT. Side-by-side regression on a sample of representative orders, integration replays, performance budget verification before any DNS swap.
- Launch + support. Cutover during low-traffic hours, monitoring window, and a scoped post-launch support period agreed in writing before the engagement closes.
What you get
- A senior engineer on every project — no junior-only teams, no offshore sub-contracting
- Shopify Plus, BigCommerce, SFCC, and NetSuite expertise in one team — useful when integrations cross platforms
- Written architecture briefs, risk registers, and rollback plans you own and can re-read
- Direct engineering communication — Slack or email with the people writing the code, not an account manager intermediary
- Post-launch retainer option for ongoing performance, security, and feature work
Timeline
Scoped per project
Project shape decides duration. A custom app in two weeks; a Plus migration in 8-12 weeks; a headless rebuild in 12-20 weeks. We confirm a window in writing once the discovery scan surfaces the real shape of the work — quoting a fixed day-count beforehand is how scope creep starts.
FAQ
- How is No7 different from a freelance Shopify developer?
- Freelancers are great for a single, well-defined task. We're built for engagements where multiple disciplines collide — custom apps that talk to ERP, headless storefronts that need to keep Plus features, B2B catalogues bridging Shopify and SFCC. We bring the senior engineer + architect + integration specialist as one team rather than asking the merchant to coordinate three separate freelancers.
- Are you a Shopify Plus Partner?
- Yes. Shopify Plus Partner certification means we have direct access to Plus support, early-feature beta channels, and the partner-tier pricing structure for new merchants. The certification is a baseline though — what we hire for is engineering depth across Plus internals (Functions, Flow, Markets, B2B), which the certification does not test.
- Do you do theme work or only custom apps?
- Both. We work across the full surface — Online Store 2.0 themes, Liquid customisation, custom apps (private and App Store), Checkout Extensibility, Functions, Hydrogen storefronts, and Flow automation. Most engagements mix two or three of these; we pick what the brief actually needs.
- What does a typical engagement cost?
- Custom apps span £4K (single-purpose private) to £250K+ (App Store SaaS). Theme + Plus build engagements typically £30K-£120K depending on B2B and integration scope. Headless Hydrogen builds typically £30K-£200K. We share firm pricing in writing once the discovery scan is complete — quoting before we've seen the brief is unfair to both sides.
- Can you take over a project that another agency started?
- Yes — about a third of our work is rescue or hand-over. We start with a one-week stack audit (separately scoped) so we can give you an honest read on the existing codebase, the realistic cost to bring it to launch, and whether a partial rebuild is more honest than continuing.
- Where are you based and which time zones do you cover?
- London-based (Covent Garden). Remote-first across UK + EU + US Eastern overlap. Most of our merchants are UK + EU, with a meaningful slice on US Eastern. We schedule across these zones; deeper APAC coverage is engagement-specific.