Design Dev
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Trusted by 150+ UK & International Businesses for Custom eCommerce Development

Custom eCommerce Development in London

Bespoke eCommerce platforms for UK businesses whose products, pricing or processes are too complex for template stores.

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London eCommerce developers building custom online stores, marketplaces and B2B portals that scale with your growth.
Custom eCommerce Development in London - Bespoke Storefront & Headless Architecture
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Bespoke, scalable eCommerce delivery

Bespoke, scalable eCommerce delivery

Custom eCommerce built around your business model

Design Dev is an eCommerce agency in London building custom online stores for businesses that have outgrown standard platforms. We design and develop around your exact products, pricing and workflows using Laravel and modern front-ends.
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Bespoke Online Stores

Custom-built stores with the exact features, pricing logic and shopping journeys your business needs.
Bespoke Online Stores
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Marketplace Development

Multi-vendor marketplaces with seller dashboards, commissions, split payments and automated payouts.
Marketplace Development
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B2B eCommerce Portals

Trade portals with account pricing, quote requests, credit terms, approvals and fast bulk ordering.
B2B eCommerce Portals
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Headless Commerce

Lightning-fast storefronts built with React or Next.js on a flexible, API-first commerce backend.
Headless Commerce

A clear custom eCommerce process from brief to launch

01

Discovery & Requirements

We map your products, pricing, workflows and integrations before any design begins.

02

Architecture & UX Design

Data structure, system design and shopping journeys planned around your business.

03

Agile Development

Custom build in short sprints, with regular demos so you see progress every week.

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Testing & Security

We test checkout, payments, performance, security and every order and account flow.

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Launch & Scaling

Controlled go-live, team training and ongoing development as your business grows.

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Why custom eCommerce makes sense for complex businesses

Why Choose Us

Why custom eCommerce makes sense for complex businesses

Shopify and WooCommerce suit many stores, but some businesses need more. Product configurators, customer-specific pricing, marketplace models or deep system integrations can push standard platforms past their limits, leaving you with costly workarounds and fragile plugins.

Custom eCommerce gives you a platform built exactly around your business. You own the code, avoid plugin limits and connect directly to your ERP and other core systems.

  • Built Around You
  • Full Code Ownership
  • Highly Scalable
  • Deep Integrations

Complete custom eCommerce services

01

eCommerce Discovery

Requirements, workflows and technical planning before any development starts.
02

Custom Store Development

Bespoke online stores built with Laravel, React or Next.js for your model.
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Multi-Vendor Marketplaces

Seller onboarding, listings, commissions, payouts and vendor dashboards.
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B2B & Trade Portals

Customer-specific pricing, quotes, credit accounts and bulk ordering tools.
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Product Configurators

Build-your-own products with live pricing, options and visual previews.
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Subscription Commerce

Recurring orders, flexible billing and self-service subscription management.
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Headless Commerce

API-first commerce backends with fast React and Next.js storefronts.
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Custom Admin Dashboards

Order, stock, customer and sales management tools built for your team.
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Payment Integration

Payment gateways including Stripe, PayPal, Klarna and split payments.
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ERP & Inventory Integration

Real-time sync with ERP, warehouse, accounting and shipping systems.
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Performance & Security

Fast, secure, PCI-conscious architecture and hosting built for peak traffic.
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Ongoing Development

New features, scaling support and long-term technical partnership.

Ready for an eCommerce platform built around you?

Speak with our London eCommerce developers about a custom platform that fits your business model, removes limits and scales.

Custom eCommerce expertise across key industries

Hospitality & Leisure

Industry focus

Hospitality & Leisure

Custom ordering and booking platforms for restaurant groups, venues and caterers with multi-site menus and delivery.

  • Multi-site ordering
  • Catering portals
  • Table & event booking
  • Delivery logic
  • Loyalty systems

Why Design Dev

A London eCommerce partner focused on quality and commercial results

Design Dev works with founders, eCommerce leaders and established businesses whose needs go beyond off-the-shelf platforms. Our developers combine business analysis, design craft and disciplined engineering to build custom commerce platforms that perform.Expect clear communication, transparent sprints, clean documented code and full ownership of the platform we build for you.

150+

Projects delivered

5+

Years experience

UK+

London & worldwide

98%

Client retention

A London eCommerce partner focused on quality and commercial results

Analysis, design and engineering for businesses that need an eCommerce platform that performs.

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Process before code

Your products, pricing and workflows are mapped before development begins.

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Built to scale

Clean architecture, testing and security so your platform grows with you.

Custom eCommerce technologies we work with

Laravel

Laravel

PHP

PHP

React

React

Next.js

Next.js

Vue.js

Vue.js

Node.js

Node.js

MySQL

MySQL

PostgreSQL

PostgreSQL

Redis

Redis

Stripe

Stripe

AWS

AWS

Docker

Docker

What clients say

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Design Dev transformed our e-commerce platform. Their team was efficient, responsive, and delivered a stunning layout that doubled our conversion rate within a month.

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Sarah Jenkins

Vauxhall Marketing - Shopify Development
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An absolute pleasure to work with. They understood our brand identity perfectly and designed a clean, user-friendly SaaS platform that our clients love.

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David Thorne

FluxGig - UI/UX Design
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The custom WordPress build is super fast and easy for our content editors to update. Outstanding attention to detail and SEO optimization.

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Amara K.

Apsara Cosmetics - WordPress Development
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They built a highly custom, secure medical inventory portal on-budget. Their engineering skills are top-tier.

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Julian Reed

Upcycled Medical - Web App Development
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From logo creation to full visual guidelines, Design Dev gave our construction firm a modern and premium corporate look.

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Emily Watson

Smart Build UK - Branding & Design
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Our organic search traffic increased by 150% in three months. Their SEO team really knows their stuff.

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Marcus Sterling

Supra Cycling - Search Engine Optimization

Brands we have worked with

FAQ

Custom eCommerce Development FAQs

Straightforward answers to the questions we hear most about custom eCommerce, costs, timelines and how we work.

Custom eCommerce makes sense when you need complex pricing, product configurators, marketplace features, unique workflows or deep integrations that Shopify or WooCommerce can't handle well.

Start a project

Tell us about your project

Share your goals, timeline and requirements. Our London eCommerce team will reply with a practical recommendation.

UK Branch Office

London, United Kingdom

2 Bessborough Gardens, Westminster, London, UK

+44 7459 579227

Development Center

Sialkot, Pakistan

2nd Floor, Yousaf Plaza, Opposite Mazeeo Sadar Bazar, Sialkot Cantt

+92 337 4905 313
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