When no app fits — or five apps barely work together — we build the one that does. Private apps, public App Store apps, API integrations and checkout extensions, built to your exact spec and 100% owned by you.
From a small private tool that fixes one workflow to a full public App Store app — click any service to see exactly what's included.
Most growing stores end up running 20+ apps that each do 80% of the job. You pay monthly rent for every one, they slow your store down, and your team fills the gaps with spreadsheets and copy-paste.
When the way you sell doesn't fit a generic app, the app shouldn't decide how you run your business. A custom app built around your workflow does.
Every installed app adds scripts, monthly fees and another point of failure — and they rarely talk to each other properly.
Exporting CSVs, re-keying orders and checking stock by hand is slow, expensive and error-prone at scale.
When Shopify and your ERP, 3PL or accounting system drift out of sync, customers feel it first — in cancelled orders and late deliveries.
Whether you need one workflow automated or a full product listed on the Shopify App Store, every build is scoped, quoted and owned properly.
A bespoke app installed only on your store — automating a workflow, connecting a system or adding functionality no public app offers. Built to your rules, with no monthly app rent and no compromises.
We map how your team actually works, then build the app to match — not the other way round.
Order routing, tagging, fulfilment rules, B2B pricing, custom reports — the jobs your team does by hand every day.
Code, repository and IP all transfer to you. No lock-in, no hostage code, no per-seat fees on your own tool.
Bespoke functionality for your store only
Building a product for other merchants? We take your app from idea to a listed, review-passing Shopify App Store app — with billing, onboarding and the performance standards Shopify requires.
We build to Shopify's app requirements from day one — security, performance, embedded UX and Built for Shopify standards.
Subscription plans, usage charges and free trials using the Shopify Billing API — so you can start earning from day one.
OAuth install flow, per-shop data isolation and infrastructure designed to grow from 10 installs to 10,000.
From idea to listed and earning
Connect Shopify to your ERP, CRM, 3PL, accounting software or any custom system — reliable, two-way sync that keeps stock, orders and customers accurate everywhere, without anyone touching a spreadsheet.
Webhook-driven updates so orders, inventory and customer data move the moment something changes — no overnight batch jobs.
Retries, queues and alerting mean a hiccup on either side never silently loses an order or corrupts stock levels.
NetSuite, Xero, QuickBooks, Sage, Linnworks, HubSpot, Salesforce, custom databases — if it has an API, we can connect it.
Shopify talking to the rest of your business
Customise the most valuable page on your store the modern way — upsells, custom fields, delivery and discount logic built with Checkout UI Extensions and Shopify Functions. Need full control? We build headless storefronts on Hydrogen and the Storefront API.
Post-purchase offers, gift messages, delivery dates and B2B fields — added to checkout without hacks that break on updates.
Shopify Functions for tiered discounts, bundle pricing, shipping rules and payment customisations your plan can't do natively.
Hydrogen and Storefront API builds for brands that need speed and creative freedom a theme simply can't give.
Upgrade the page where money changes hands
Inherited an app with no developer? One that keeps breaking every time Shopify updates its API? We audit it, fix it, document it and keep it running — so your business isn't held hostage by code nobody understands.
We review the codebase, hosting and integrations, then give you a plain-English report of what's broken, risky or outdated.
Every app we touch gets proper documentation, so you're never dependent on one developer again — including us.
Shopify retires API versions every quarter. We keep your app current so it keeps working without surprise breakages.
Take back control of your existing app
Private apps, integrations and checkout extensions — built to solve one real business problem each, and owned by the merchant.
Every app — from a one-workflow tool to a full App Store product — follows the same proven process. Fixed scope, fixed quote, no surprises.
We map what you need, what it must connect to and the outcome that defines "done". We'll tell you honestly if an app isn't the answer.
Free · No CommitmentYou receive a written technical spec and a fixed quote. You approve both before a single line of code is written — no open-ended billing.
Within 48 HoursDevelopment in clear milestones, visible in your Client Portal, with clean, commented code and regular progress updates.
Tracked in Your PortalTested against real store data and edge cases. You review everything on a staging setup before it ever touches your live store.
Zero Live RiskWe deploy, hand over the code, repository and documentation, and support you through the post-launch window.
You Own EverythingApp development is bespoke, so every project gets a written spec and a fixed quote after a short scoping call. Payments are tied to delivered milestones.
Merchants who needed more than an off-the-shelf app — and what changed once they had one.
Plenty of developers can write code. We build apps you actually own, understand and can maintain — with a real team behind them long after launch.
On handover the codebase, repository and intellectual property are entirely yours. No lock-in and no rent on a tool you paid to build.
Every build ships with documentation so the next developer — us or anyone else — can pick it up without guesswork.
Remix app template, Polaris, App Bridge, Shopify Functions and Checkout UI Extensions — the way Shopify wants apps built in 2026.
You know the full cost before work starts, and every payment is tied to delivered, working software.
A dedicated project manager and progress you can see in your Client Portal — milestones, files and messages in one place.
Every app we build is handed over with full source code, repository access and documentation. If anything in the agreed spec doesn't work as described at launch, we fix it at no cost — that's part of the build, not an extra.
Honest answers to the questions merchants ask us most about custom Shopify app development.
Yes. On handover the code, repository and intellectual property are entirely yours. We never hold your app hostage or charge you rent to use something we built for you.
If it's only for your store, a private/custom app is simpler, faster and more cost-effective. A public App Store app is for when you're building a product to sell to other merchants. We'll help you pick the right one on the scoping call.
It depends entirely on scope, which is why we quote after a short scoping call rather than advertise a number. You receive a written spec and a fixed quote before any work begins, with payments tied to delivered milestones — no open-ended hourly billing.
Smaller private apps and integrations typically take 2–6 weeks. Checkout extensions can be as quick as 1–2 weeks. Public App Store apps usually run 6–12 weeks including review. Your proposal includes firm milestone dates.
Yes — it's one of our most common requests. If you've inherited an app with no developer, or one that keeps breaking, we audit it, fix it, document it and take it forward.
Yes — ERP, CRM, 3PL, accounting, custom databases and more, using the Shopify Admin and Storefront APIs. We build reliable two-way sync with retries and alerting, not brittle one-off scripts.
Every build includes a post-launch support window. Beyond that, our monthly maintenance option keeps your app current as Shopify retires API versions, plus bug fixes, monitoring and small improvements.
Pair custom app development with our other Shopify specialisms for a fully integrated build.
Need a brand new store? We build high-converting Shopify stores from scratch — design, setup and full launch support.
Learn more →Add AI to your store — chatbots, personalisation, automated content and smart pricing built into your Shopify workflow.
Learn more →Moving to Shopify? We migrate products, customers, orders and integrations with zero data loss and no SEO drop.
Learn more →Book a free scoping call. We'll tell you honestly whether a custom app is the right answer — and if it isn't, we'll point you at what is.
Tell us what you want to build. We'll reply within 24 hours, book a short scoping call, then send a written spec and fixed quote within 48 hours of it. Free. No sales pitch.
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