Next JS Development

Intelivita is a Next JS development agency in the UK that builds high-performing web applications using the React-based framework. From custom web and custom Next.js application development to Migration to Next.js and its Maintenance, we help businesses achieve stronger SEO visibility, faster speed, and scalable architecture. UK-based clients choose Intelivita for 13 years of delivery experience, clear project ownership, and measurable outcomes that resolve slow performance and improve conversions.

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What is Next JS?

Next.js is an open-source, React-based web development framework that builds fast, scalable web applications. Next.js supports features like server-side rendering, static site generation, and API routing. It is used for creating modern websites and applications for e-commerce platforms, SaaS products, enterprise dashboards, and content-driven websites. By combining frontend and backend integration in a unified framework, Next.js simplifies development workflows and improves user experience. Intelivita optimizes Next.js rendering techniques to improve page load speed, strengthen search visibility, and support consistent business growth.

What Next JS Development Services Intelivita Offers?

Intelivita offers the following Next.js development services to build, optimise, and scale web applications based on your business requirements.

Custom Web Application Development

We provide custom web application development services using Next.js to build scalable, custom web applications. This service includes custom interface development, system architecture, database structuring, and API integration.

With custom web app development, you can automate manual processes, improve operational efficiency, and gain better control over data, users, and business logic. Businesses in the UK choose Intelivita for custom web app development using Next.js to support reliable, long-term growth with faster execution.

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Custom Next.js App Development

Custom Next.js app development creates performance-optimised applications personalized to your business-specific requirements. Our bespoke custom Next.js app development service includes component-based architecture, reusable components, dynamic

routing, API integration, and frontend-backend integration. This service benefits SaaS platforms, enterprise solutions, and dynamic web apps with fast loading, reliable performance, and smooth user interaction. Businesses partner with Intelivita for stronger digital growth, long-term maintainability, and faster deployment of their applications.

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Migration to Next.js

Intelivita helps you migrate your legacy WordPress or Create React App (CRA) setups to the modern Next.js framework without SEO loss. We handle application audit, data migration, URL mapping, App Router implementation, SEO preservation, and deployment setup on Vercel or AWS.

Our developers ensure Next.js migration without losing rankings, analytics data, and improve Core Web Vitals, page speed, and performance. Transition your websites to a scalable, SEO-optimised Next.js framework with Intelivita to achieve better user experience and higher conversions.

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Headless E-Commerce Architectures

Headless E-commerce Architectures focus on building API-driven, composable commerce solutions using Next.js where the frontend storefront is decoupled from backend systems like Shopify, Magento, BigCommerce, or Saleor.

We target custom storefront development using Next.js, GraphQL storefront APIs, headless CMS integration, custom checkout experiences, and third-party integrations. Businesses achieve blazing-fast performance, server-side rendering for SEO, and full control over the buyer journey across devices and channels. By integrating Next.js with platforms like Shopify, BigCommerce, or Saleor, we help UK retailers build high-conversion storefronts that scale with traffic and deliver flexible e-commerce experiences.

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Server-Side Rendering (SSR)

Server-Side Rendering (SSR) helps you generate fully formed HTML on each request to deliver fast-loading, SEO-friendly web pages. Handle real-time content and user experience with dynamic rendering, API data fetching, and SSR implementation within Next.js.

SSR enables search engines to crawl and index content easily by improving page speed and first render performance. With Intelivita Server-Side Rendering, you can achieve better search visibility for your data-driven web applications.

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Static Site Generation (SSG)

Static Site Generation (SSG) at Intelivita focuses on generating pre-rendered HTML at build time to deliver fast-loading and SEO-friendly web pages. This service includes static page generation, CDN-based delivery,

and implementation of Incremental Static Regeneration (ISR) to keep content updated without full rebuilds. SSG is ideal for marketing pages, content-driven websites, and platforms where content does not change on every request. By using SSG, UK businesses get near-instant load times, reduced server load, and scalable performance across high-traffic environments.

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Next.js Maintenance and Support

We provide Next.js Maintenance and Support to keep your web applications secure, up-to-date, and performing consistently after deployment. We follow regular updates, bug fixing, performance monitoring, security patches, and compatibility with the latest Next.js versions.

Our support team ensures applications run smoothly with minimal downtime while resolving issues and maintaining system stability. With continuous support and optimisation, we help our clients with reliable performance, improved user experience, and long-term application scalability.

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What are the Benefits of Choosing Intelivita for Next JS Development?

Intelivita delivers Next.js development with a focus on code reliability, flexible content management, and efficient deployment for consistent performance.

Type-Safe Development with TypeScript

Intelivita uses TypeScript in Next.js development to build more reliable, maintainable, and scalable web applications. Type-safe development reduces code errors, improves development accuracy, and supports cleaner architecture for complex business platforms.

Headless CMS Integration

We integrate Next.js with headless CMS platforms such as WordPress to give your business better content control without compromising frontend performance. This approach supports faster websites, flexible content delivery, and easier publishing workflows across modern digital platforms.

Optimized Deployment Pipelines

Our experts build optimized deployment pipelines for Next.js projects using platforms like Vercel and AWS to support stable releases and faster delivery cycles. We help UK businesses launch updates efficiently, reduce deployment friction, and maintain consistent application performance after release.

What is Our 5-Step Next.js Development Roadmap?

Intelivita follows a structured process to deliver React JS applications with clear planning, controlled development, and reliable outcomes.

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STEP 1

Discovery & Technical Architecture

We start by analysing business requirements and defining the technical architecture. We focus on planning, routing, data handling, and system structure for a scalable Next.js application.

STEP 2

UI/UX Design & Prototyping

We design user interfaces and create prototypes to map user journeys and interactions before development begins.

STEP 3

Agile Development:

WWe build the application in focused sprints, develop custom features, and keep the project aligned with business goals as requirements evolve.

STEP 4

Performance Testing

We test the application for speed, functionality, and reliability. This approach ensures the Next.js build performs efficiently under real-world conditions.

STEP 5

Deployment & Post-Launch Support

We launch the application in the right environment, optimise the production setup, and continue support to keep the platform stable, secure, and up to date.

Why UK Brands are Switching to Next.js?

UK brands are switching to Next.js to achieve faster web pages, SEO visibility, scalable architecture, flexibility, and long-term efficiency.

Faster websites improve user experience and conversions.

UK agencies consistently highlight Next.js for fast-loading pages and smooth navigation, which increases engagement and sales.

Server-Side Rendering and Static Site Generation strengthen SEO visibility.

Next.js delivers pre-rendered content that search engines can crawl and index more effectively, improving rankings.

Scalable architecture supports growing digital platforms.

UK brands use Next.js to build applications that handle increasing traffic, complex features, and long-term business growth.

Headless commerce and CMS integration give brands more flexibility.

Next.js allows integration with headless CMS and e-commerce platforms, giving better control over content and storefront performance.

Faster deployment and easier updates improve long-term efficiency.

Next.js supports deployment and updates that help businesses launch changes quickly and maintain stable performance over time.

Our Next JS Development Portfolio

Explore our React JS development portfolio to see how we build applications aligned with business workflows and user interaction needs. Review our projects across dashboards, platforms, and scalable web systems developed with structured front-end architecture.

A 360-Degree Virtual Reality App for Microsoft

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Valued Feedback From Our Clients

Luca Frederick

Founder · LocalLinked

Nicholas Boundy

Founder · FabQuote

Adrian Grainger

Founder · Tadysh

Luca Frederick

Founder at LocalLinked

After speaking with 50+ agencies, choosing Intelivita was the best decision we made. Their mobile app development expertise and continuous support helped us move from idea to a scalable, live product.

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Olivia Rose

CMO at Ostique Ltd

The people on the project were completely delightful to deal with. Nothing is too much trouble, they are experts in their field and bring a wealth of valuable knowledge to the project, and they understood the goals and objectives from the outset.

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Why is Next.js better than standard React?

Next.js is better for most business websites because it adds built-in routing, Server-Side Rendering, Static Site Generation, data fetching, caching, and production tooling on top of React. It helps teams build faster, improve SEO, and deliver better page speed without setting up these systems manually.

How much Next.js development cost in the UK?

The cost of a Next.js development company in the UK ranges between £80 and £150 per hour, depending on team expertise and project requirements. Basic Next.js projects can cost between £8,000 and £20,000, while medium-scale applications with integrations and custom features usually range from £20,000 to £60,000. Complex or enterprise-level Next.js applications can cost between £60,000 and £150,000+, depending on architecture, performance requirements, and scalability needs.

How long does a typical Next.js migration take?

Next.js migration takes 3 to 8 weeks for small to mid-sized websites and 8 to 16+ weeks for complex or enterprise applications. The migration depends on codebase size, integrations, and SEO migration requirements.

Do you offer ongoing maintenance for Next.js 14 and 15?

Yes, Intelivita provides ongoing maintenance for Next.js 14 and 15. The maintenance includes updates, performance monitoring, bug fixes, and compatibility support to keep applications stable, secure, and up to date.

Do you offer React JS Development?

Yes, Intelivita offers React JS Development services to build scalable, high-performing web applications. “React JS Development” includes custom interfaces, component-based architecture, and integration with modern frameworks like Next.js.

Is Next.js compatible with Shopify or BigCommerce?

Yes, Next.js is compatible with Shopify and BigCommerce through API-based headless architecture. It allows businesses to build fast, SEO-friendly storefronts with flexible frontend control and scalable backend integrations.

What is the typical timeline for developing a custom Next.js web application?

A custom Next.js web application takes 4 to 12 weeks for small to mid-sized projects and 12 to 20+ weeks for complex or enterprise applications. The timeline depends on features, integrations, and performance requirements.

How does Next.js help reduce long-term server costs and maintenance overhead?

Next.js reduces server costs by using Static Site Generation (SSG) and caching to serve pre-rendered pages, which lowers server load. It also simplifies maintenance with built-in routing, optimisation, and deployment tools that reduce the need for complex infrastructure and frequent fixes.

How does Next.js handle authentication?

Next.js handles authentication using API routes, middleware, and session or token-based methods such as JWT or OAuth. It integrates with libraries like NextAuth to manage user sessions, protect routes, and enable secure login across applications.