{"@context":"https://schema.org","name":"Codestern","url":"https://codestern.co.uk","description":"Codestern is a York, UK web and mobile development agency. We build high-performance websites, web apps, iOS and Android applications, Shopify and WooCommerce stores, B2B wholesale platforms, and custom integrations (Xero, EPOS, CRM, APIs). We also offer technical audits, SEO, digital strategy, and ongoing support.","llmsTxt":"https://codestern.co.uk/llms.txt","llmsFullTxt":"https://codestern.co.uk/llms-full.txt","contact":{"email":"hello@codestern.co.uk","telephone":"+44-7767-576110","address":{"streetAddress":"11 Shambles","addressLocality":"York","postalCode":"YO1 7LZ","addressCountry":"GB"}},"keywords":["web development agency UK","web development agency York","Next.js development agency","React web development","mobile app development UK","iOS app development agency","Android app development agency","Shopify development agency","Shopify store rebuild","WooCommerce B2B development","B2B wholesale platform development","e-commerce development UK","technical website audit","Core Web Vitals optimisation","Xero integration development","EPOS integration e-commerce","WordPress development agency","custom web application development","API integration development","website support and maintenance","digital strategy consultancy","technical SEO agency"],"services":[{"name":"Web Development","slug":"web-development","description":"We build websites and web applications using React, Next.js, and other industry-standard frameworks. Projects are structured for performance, accessibility (WCAG 2.1), and scalability. We deliver marketing sites, web apps, and platforms with clear documentation and handover. All work is tested across devices and browsers.","url":"https://codestern.co.uk/services#web-development","highlights":["Responsive design","React & Next.js","Performance & accessibility","CMS integration"]},{"name":"Mobile App Development","slug":"mobile-app-development","description":"We design and build mobile apps for iOS and Android. Depending on your product and constraints, we work natively (Swift, Kotlin) or with cross-platform frameworks so you can ship one codebase to both stores. Engagements typically cover product and UX patterns for mobile, integration with your APIs or existing web backends, authentication and data handling, test builds, and practical support for App Store and Google Play submission. The same engineering standards we apply to web—performance, security, and maintainability—carry through to app work.","url":"https://codestern.co.uk/services#mobile-app-development","highlights":["iOS & Android","Native & cross-platform","APIs & secure auth","Store release support"]},{"name":"Brand & Design","slug":"brand-design","description":"We create visual identities, design systems, and UI/UX for digital products. Deliverables include logos, colour palettes, typography, and component libraries. We produce brand guidelines and design specs so your team or future partners can maintain consistency. Design work is delivered in standard formats (Figma, SVG, etc.).","url":"https://codestern.co.uk/services#brand-design","highlights":["Visual identity","Design systems","UI/UX design","Brand guidelines"]},{"name":"Digital Strategy","slug":"digital-strategy","description":"We help define your digital roadmap through audits, competitor analysis, and user research. We produce strategy documents, prioritised recommendations, and implementation plans. Our approach is evidence-based and focused on measurable outcomes. Suitable for new projects or existing sites that need direction.","url":"https://codestern.co.uk/services#digital-strategy","highlights":["Digital audits","User research","Competitor analysis","Roadmap planning"]},{"name":"SEO & Performance","slug":"seo-performance","description":"We improve search visibility and site performance. Services include technical SEO audits, on-page optimisation, Core Web Vitals improvements, structured data implementation, and analytics setup. We follow Google's guidelines and use established tools (Search Console, Lighthouse, etc.) to measure progress.","url":"https://codestern.co.uk/services#seo-performance","highlights":["Technical SEO","Core Web Vitals","Structured data","Analytics setup"]},{"name":"Custom Integrations","slug":"custom-integrations","description":"We integrate websites and mobile apps with CRM, e-commerce platforms, payment gateways, and APIs. Integrations are built with security and reliability in mind, using documented APIs and standard protocols. We provide technical documentation and support during handover. Common integrations include Stripe, Shopify, HubSpot, and custom backends.","url":"https://codestern.co.uk/services#custom-integrations","highlights":["API integration","CRM & ERP","E-commerce","Payment gateways"]},{"name":"Support & Maintenance","slug":"support-maintenance","description":"We provide ongoing support for products we build or inherit—including web and mobile. Services include security updates, dependency updates, bug fixes, content changes, and small feature additions. Support is offered on a retainer or ad-hoc basis. We respond within agreed SLAs and provide clear communication on progress.","url":"https://codestern.co.uk/services#support-maintenance","highlights":["Security updates","Performance monitoring","Bug fixes","Content updates"]}],"faqs":[{"question":"What does Codestern do?","answer":"Codestern is a web and mobile development agency based in York, UK. We build websites, web applications, iOS and Android apps, e-commerce stores, B2B platforms, and custom integrations — from discovery through launch and ongoing support."},{"question":"Where is Codestern based?","answer":"Codestern is based at 11 Shambles, York, YO1 7LZ, United Kingdom. We work with clients across the UK and internationally, mostly remotely."},{"question":"How do I contact Codestern?","answer":"Email hello@codestern.co.uk, call +44 7767 576110, or use the contact form at https://codestern.co.uk/contact. For a technical audit, visit https://codestern.co.uk/technical-audit."},{"question":"What technologies does Codestern use?","answer":"React, Next.js, TypeScript, Shopify, WooCommerce, WordPress, Swift, Kotlin, and cross-platform mobile frameworks. Integrations include Xero, Stripe, HubSpot, EPOS systems, and custom APIs."},{"question":"Does Codestern build Shopify and WooCommerce stores?","answer":"Yes. We build and rebuild B2C Shopify stores and B2B WooCommerce wholesale platforms, including checkout, inventory, EPOS sync, and Xero-led stock and accounts."},{"question":"Does Codestern offer technical audits?","answer":"Yes. Codestern offers structured technical audits covering architecture, integrations, performance, Core Web Vitals, security basics, and a prioritised roadmap. See https://codestern.co.uk/technical-audit."},{"question":"How does Codestern charge?","answer":"Fixed quotes for defined projects; hourly rates for support, maintenance, or scope changes. Costs are outlined clearly before work begins."},{"question":"What is Codestern's typical project timeline?","answer":"A marketing site may take 4–8 weeks; custom web apps and B2B platforms typically run several months depending on scope. A schedule is provided in the proposal."}],"caseStudies":[{"client":"Wizard Alliance","slug":"wizard-alliance","title":"B2B wholesale platform, Xero & field sales","industry":"UK B2B wholesale — fandom & licensed goods","excerpt":"Wizard Alliance is a UK B2B wholesaler in the fandom space. They needed a trade-ready platform before going to market—from zero customers to 300+ active accounts—with WooCommerce-quality ordering plus deep wholesale rules, Xero, and a field sales channel that simply did not exist off the shelf.","url":"https://codestern.co.uk/case-studies/wizard-alliance","stack":["WooCommerce","WordPress","B2B wholesale","Xero integration","Custom B2B rules","Sales agent app","Performance & scale"]},{"client":"EC Pack","slug":"ec-pack","title":"B2B wholesale: WooCommerce, Xero-led stock & accounts","industry":"Industrial B2B packaging & supply","excerpt":"EC Pack supplies packaging and supply products to trade buyers across the UK. Like many established wholesalers, they had never operated a proper B2B web channel—their teams lived in phone, email, and spreadsheets. The brief was to stand up a serious trade storefront on WooCommerce with the same depth of B2B rules as a larger programme, while treating Xero not only as the finance ledger but as the backbone for inventory truth.","url":"https://codestern.co.uk/case-studies/ec-pack","stack":["WooCommerce","WordPress","B2B wholesale","Xero inventory & accounts","Custom B2B rules","Integration & performance"]},{"client":"House of Spells","slug":"house-of-spells","title":"Shopify rebuild: checkout, EPOS & inventory you can trust","industry":"Licensed retail & collectibles","excerpt":"House of Spells sells licensed collectibles and fan merchandise to consumers online. Their previous custom store—built elsewhere—was unstable: frequent crashes, weak UI/UX, broken checkout, and inventory chaos. They needed a faster path to something dependable, so the programme moved to Shopify and rebuilt the storefront and operations from the ground up.","url":"https://codestern.co.uk/case-studies/house-of-spells","stack":["Shopify","B2C e-commerce","EPOS integration","Checkout & payments","Custom pages & SEO","Inventory operations"]},{"client":"British Souvenirs","slug":"british-souvenirs","title":"New Shopify store: gifts, souvenirs & seasonal campaigns","industry":"Retail souvenirs & gifts","excerpt":"British Souvenirs trades gifts and souvenirs for UK and visitor audiences—often across more than one house brand. There was no dependable owned store to match that ambition; Codestern delivered a new consumer Shopify site from the ground up: structure, content, creative, payments, and the back-office habits the team needs to run peak weeks and seasonal pushes.","url":"https://codestern.co.uk/case-studies/british-souvenirs","stack":["Shopify","B2C e-commerce","Campaign & collection UX","Checkout & payments","Mobile-first retail","Content & SEO structure"]},{"client":"Cinereplicas UK","slug":"cinereplicas-uk","title":"Design-led Shopify build — UK storefront","industry":"Entertainment merchandise & collectibles","excerpt":"Cinereplicas UK needed a new consumer-facing store—not a rescue of a broken legacy stack—but a clean implementation of a premium entertainment-merchandise experience they had already designed. Shopify was the platform; the work centred on fidelity to that creative, stable checkout, and a flexible catalogue structure for drops and highlights without making public claims about underlying intellectual property.","url":"https://codestern.co.uk/case-studies/cinereplicas-uk","stack":["Shopify","Design-to-production","B2C e-commerce","Theme & templates","Checkout & payments","Performance & accessibility"]},{"client":"Choize","slug":"choize","title":"New Shopify lifestyle store — brand to checkout","industry":"Online lifestyle & retail","excerpt":"Choize sells lifestyle products direct to consumers and needed a net-new digital flagship rather than unpicking someone else’s failed build. Codestern stood up a full Shopify B2C store—brand-forward UX, catalogue structure, payments, and the merchandising patterns needed for promos and range growth—aligned with how the business wants to present itself online.","url":"https://codestern.co.uk/case-studies/choize","stack":["Shopify","D2C e-commerce","Brand & lifestyle UX","Promo & catalogue patterns","Checkout & payments","Handover & training"]},{"client":"Werwing","slug":"werwing","title":"WordPress site for study-abroad consultancy — requirements-led build","industry":"Education consulting (study abroad)","excerpt":"Werwing connects students and families with international study opportunities. Their needs for the website were explicit from the outset—messaging, structure, journeys, and conversion points were specified before build. Codestern translated that into a full WordPress corporate site: all pages and blocks the brief called for, editor-friendly patterns, and forms tuned for enquiries across regions and devices.","url":"https://codestern.co.uk/case-studies/werwing","stack":["WordPress","Corporate & editorial UX","Requirements-led IA","Forms & lead capture","SEO & performance","CMS training & handover"]},{"client":"Airotreat","slug":"airotreat","title":"WordPress corporate site — industrial air quality","industry":"Industrial environmental solutions","excerpt":"Airotreat serves industrial buyers around air quality monitoring, treatment, and related services. The project was led by explicit requirements and design intent—not experimentation mid-flight. Codestern built a complete WordPress corporate site that maps those ideas into production: sector- and service-oriented pages, specialist enquiry routes, and room to expand case-style content over time, without overstating outcomes or obligations to third parties.","url":"https://codestern.co.uk/case-studies/airotreat","stack":["WordPress","B2B industrial","Design-led templates","Service & sector IA","Lead & enquiry flows","Performance & accessibility"]}],"pages":{"home":"https://codestern.co.uk/","services":"https://codestern.co.uk/services","technicalAudit":"https://codestern.co.uk/technical-audit","caseStudies":"https://codestern.co.uk/case-studies","about":"https://codestern.co.uk/about","contact":"https://codestern.co.uk/contact","blog":"https://codestern.co.uk/blog","careers":"https://codestern.co.uk/careers"}}