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Next.js Developer London

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Next.js Development London

Next.js Developer London — App Router, SSR & London SaaS Platforms

ARS Developer Ltd builds Next.js applications for London businesses — app router with React Server Components, streaming SSR, headless CMS integration, and Shopify Storefront API. Sub-1-second LCP. GBP milestone contracts. UK Companies House No. 17039150.

Best For

London SaaS startups building Next.js app router product frontends London fintech and proptech companies needing SSR-optimised dashboards London ecommerce brands building headless Shopify with Next.js Storefront API London agencies needing white-label Next.js development delivery Companies migrating from Next.js pages router to the app router

Start a Project

Tell us your current situation and goals. We will recommend the right scope, timeline, and delivery model for your business.

Book Free Consultation View Pricing Portfolio

Why ARS Developer Ltd

  • UK Companies House No. 17039150
  • GBP milestone contracts — clear scope
  • UK GDPR compliant delivery
  • UK timezone support, Mon–Fri 09:00–18:00

Problems We Solve

  • Your London Next.js app uses the pages router and has slow client-side bundle.
  • Headless Shopify or CMS integration is returning stale or broken data.
  • No TypeScript — London product team cannot maintain the codebase safely.
  • LCP above 2.5s on London google.co.uk mobile — ranking affected.
  • Previous Next.js developer left no documentation and the code is untestable.

What's Included

1

Next.js 15 app router with React Server Components for London businesses

2

Streaming SSR and partial prerendering — sub-1-second London LCP

3

Headless Shopify Storefront API with Next.js for London fashion and luxury brands

4

Sanity, Contentful, and Strapi headless CMS integration for London content teams

5

TypeScript strict mode — production-grade Next.js for London fintech and SaaS

6

UK GDPR compliant API routes and middleware for London product teams

7

London LocalBusiness schema and SEO metadata for Next.js pages

8

GBP milestone contracts with full London project documentation

Frequently Asked Questions

A London Next.js marketing or SaaS landing site costs £4,000–£10,000. A full Next.js SaaS product frontend with app router and API integration costs £15,000–£45,000. A headless Shopify Next.js storefront for a London brand starts from £20,000. All in GBP with milestone contracts.
Yes for any new London build in 2026. The app router gives you React Server Components, streaming SSR, and partial prerendering — better performance, lower client JS bundle, and simpler data fetching for London SaaS product pages that need SEO.
Yes. Headless Shopify + Next.js Storefront API gives London fashion and luxury brands full design freedom — editorial sections, lookbooks, custom checkout, and sub-1-second LCP. UK VAT three-tier via Shopify Tax UK applies regardless of the frontend stack.

Got a question?

Our UK team is available Mon–Fri, 09:00–18:00 GMT.

Contact Us

How We Work With UK Businesses

1 Book a Free Consultation

Complete the contact form or book a strategy call. We review your requirements and respond within one business day with next-step recommendations.

2 Receive a Scoped Proposal

We prepare a detailed proposal covering scope, delivery timeline, milestones, and GBP pricing. No open-ended retainers — every project has a clear contract.

3 Milestone-Based Delivery

Work is delivered in structured milestones with review and approval at each stage. You maintain full visibility and sign off before the next phase begins.

4 Launch and Post-Launch Support

We handle launch, post-launch monitoring, and hand over full documentation. Monthly growth and maintenance support available after launch.

Start a Project

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