Next.js development agency

Next.js websites and SaaS front ends, built to rank.

Your site was built for the company you were. We rebuild marketing sites, customer portals and SaaS front ends in Next.js and TypeScript, with Sanity for content, so they stay fast as you grow and your team can change them without us.

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  • Next.js · TypeScript
  • Sanity for content
  • Deployed on Vercel

Trusted by

Santander bankASR-TEMPStratéclosiaDartyWever

What we fix

01

Slow pages

Heavy themes and client-side bloat hurt Core Web Vitals and rankings. We ship server-rendered pages that load fast on mobile.

02

A front end nobody wants to touch

Legacy React or jQuery, no types, no tests. We rebuild in TypeScript with a structure your next hire can follow.

03

Portals that don’t exist yet

Customers, applicants or members still email you spreadsheets. We build the portal they log into instead.

Services

Next.js services

Marketing websites

Next.js and Sanity sites your marketing team edits on its own.

SaaS front ends

Product UIs, dashboards and onboarding flows for SaaS platforms.

Customer portals

Secure areas for customers, applicants or members, connected to your systems.

Replatforming

Moving from WordPress, Gatsby or a legacy React app to Next.js with SEO continuity.

Performance work

Core Web Vitals audits and fixes on existing Next.js sites.

AI features

Chat agents and content automation built into your site, like the one on this page.

Process

How we work

  1. 01

    Discovery

    A call to understand your product, users and constraints, then a scoped proposal.

  2. 02

    Design and architecture

    Page structure, components and data flow agreed before code.

  3. 03

    Build

    Iterative delivery with preview deployments for every change.

  4. 04

    Launch and support

    Redirects, SEO and performance checks, then ongoing improvements.

Work

Recent work

“We use Formwise to manage over 300 students daily. 1367 Studio built a reliable, clear platform perfectly tailored to the needs of a modern school.”
School director, Envol Culture

FAQ

FAQ

Why Next.js?

Next.js renders pages on the server, which makes them fast to load and easy for search engines and AI crawlers to read. It also scales from a marketing site to a full SaaS front end on one framework.

Which CMS do you pair with Next.js?

Sanity, on every project. We are an official Sanity agency partner.

Do you work with UK and US teams?

Yes, in English, remotely, with calls that fit London hours and US East Coast mornings.

How much does a Next.js project cost?

Every project is scoped individually after a first call. We don’t publish fixed prices.

Related

Let’s rebuild it properly.

Book a call

Tell us what your current site or front end can’t do. We’ll come back with a clear scope and the next step.