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150+ projects delivered for UK and international brands

React Development Agency in London

Bespoke React frontends for London products that need fast, accessible UIs — dashboards, customer apps and design-system code, not a pile of untyped components.

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Bespoke React frontends for London products that need fast, accessible UIs — dashboards, customer apps and design-system code, not a pile of untyped components.
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Performance-led React interfaces

React services built for products that have more than a happy path

Design Dev is a London React agency delivering authenticated apps, dashboards and Next.js where it earns it. We combine design-system discipline, API contracts and accessibility so the interface supports real work — empty, error and permission-denied states included.A screenshot of the happy path is not a React product. Types, loading, and a component library developers will reuse are the brief.
01

Custom React Development

Authenticated React apps and dashboards with real empty, error and loading states.
Custom React Development
02

React Design Systems

Components that match Figma and survive the next ten screens — tokens, not magic numbers.
React Design Systems
03

API-driven React Frontends

Talking to Laravel, Shopify or third parties without spaghetti fetch and silent failures.
API-driven React Frontends
04

React Performance & Accessibility

Core Web Vitals-minded lists and forms that work with a keyboard, not just a mouse.
React Performance & Accessibility

A clear React process from flows to production UI

01

React discovery & flows

Happy path, empty, error, permission denied — before we pick a folder structure.

02

React architecture

Routing, data fetching, design tokens, and whether Next.js actually helps.

03

React build by screen

Ship vertical slices against the real API, not mocked perfection forever.

04

React QA

Devices, accessibility, performance budgets, design QA with engineering.

05

React handover

How to run it, lint, typecheck, and who owns the design system after launch.

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Project process 2
Project process 3
Why React remains the right choice for complex UK product UIs

Why React remains the right choice for complex UK product UIs

React earns its keep when the interface has roles, tables, wizards and state. A brochure site often should not be a SPA. Design Dev is honest about that fork.When developed properly, a React frontend becomes a commercial asset: accessible forms, a contract with the API, and a design system that does not rot after sprint three.

  • Clear app shell and React routing
  • Server/client split where Next helps
  • Design tokens, not magic numbers
  • Accessible React forms and focus
  • Sensible data fetching
  • Bundle discipline
  • Error boundaries that mean something
  • Handover a new React dev can run

Complete React capabilities

From design system to dashboard — React frontends built to be changed, tested and handed over.

01

React Product Apps

Authenticated SPAs for UK products that have real workflows.

02

Next.js Development

When SSR, SEO or routing needs it — not by default for a private admin.

03

React Dashboard Development

Filters, tables, charts, roles and the unpretty states.

04

React Design Systems

Reusable UI with tokens, docs and states Figma skipped.

05

React + Laravel Frontends

The pairing we ship often — typed clients, error mapping.

06

React API Integration

Shopify, HubSpot, custom APIs — mapped errors, not silent spinner death.

07

Marketing + Product Hybrids

When the React/Next site is not only a blog.

08

React Performance Work

Code split, lists, images, Core Web Vitals on the routes that matter.

09

React Accessibility

Keyboard, focus, contrast, forms — baseline, not a sticker.

10

React Takeover & Refactor

Untangle a rushed v1 with types and a design system that can grow.

11

React Component Libraries

Shared UI for web and future surfaces.

12

React Maintenance

Dependency upgrades, design-system slices, feature work after launch.

Ready for a React interface that performs after the first sprint?

Speak with Design Dev about React dashboards, apps and design systems with states, accessibility and a handover.

React expertise across key industries

Professional Services

Industry focus

Professional Services

React portals and dashboards that make enquiry, files and status obvious.

  • Client React portals
  • Dashboards
  • Document UIs
  • Auth flows

Why Design Dev

A London React partner that designs the states, not just the Dribbble shot

Design Dev works with product and engineering leads who are tired of React prototypes in production. We combine design-system craft, API discipline and accessibility so the UI survives real data and real users.Expect empty states, typed clients and a handover — not a tutorial folder dumped on staging.

150+

Projects delivered

5+

Years experience

UK+

London & worldwide

A London React partner that designs the states, not just the Dribbble shot

Strategy, design and engineering for brands that need a website that performs.

01

Flows before components

React jobs, empty and error states are mapped before the component library multiplies.

02

Built to be changed

Tokens, types and a structure a second React developer can extend.

03

Performance as standard

Lists, images and bundles treated as product risk, not a later ticket.

04

Support after React launch

Design-system slices and feature work once real users arrive.

Technologies we work with

React

React

JavaScript

JavaScript

TypeScript

TypeScript

Next.js

Next.js

HTML5

HTML5

CSS3

CSS3

Laravel

Laravel

PHP

PHP

Node.js

Node.js

MySQL

MySQL

Stripe

Stripe

Figma

Figma

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

We worked with largest global brands

Be Vaux Logo
Fluxgig Logo
Apsara Logo
brushify
Jirahi Logo
Metaball Logo
Mrgt Logo
Optimisticconsultants Logo
Smart Build
Supra Cycling Global Logo
Upcycled Medical Logo

FAQ

React development FAQs

Straightforward answers to the questions we hear most often about scope, timelines, and how we work.

React suits complex, stateful interfaces — dashboards, authenticated apps, design systems. A five-page marketing site often should not be a SPA. We will say which.

Start a project

Tell us about your React project

Share the product surfaces (dashboard, onboarding, public), the API (Laravel, Shopify, other), and whether Figma exists. We will outline a React approach.

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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