Build — Web
Web App Development (MERN, MEAN)
Full-stack web apps on MERN and MEAN: dashboards, SaaS products, portals and internal tools that actually scale.
The problem
You need more than a website. Logins, data, dashboards, payments. Off-the-shelf tools almost fit, then don’t.
What we do
We build web apps on MERN or MEAN, in TypeScript end to end.
- Data model and API designed before a single screen
- Roles, permissions and audit logs baked in, not bolted on
- Deployed with CI, monitoring and backups from day one
Who it’s for
- Startups building a SaaS MVP
- Companies replacing spreadsheets with an internal tool
- Teams modernising a legacy web app
Why CrownCode
We build on MERN, MEAN or Next.js depending on your team, with auth, tests and CI from the first sprint.
How we deliver
From first call to launch.
01
Discover
A free call to understand goals, users and constraints.
02
Demo & scope
A working demo in 48 hours, then a written scope and fixed price.
03
Build
Weekly releases you can click through. No black boxes.
04
Launch & grow
Go live, monitor, iterate — or a clean handover.
Proof
Related work
United States · 2026
Example Project: SaaS AI Rescue
Placeholder case study: rescuing an AI-built SaaS app for a US B2B startup. Replace with a real project.
Ireland · 2026
Example Project: MERN Booking Platform
Placeholder case study: a MERN booking platform for an Irish clinic group. Replace with a real project.
FAQ
Web App Development: questions
How does a project with you work?
Placeholder answer (partners to confirm). Discovery call, written scope and estimate, then short sprints with a demo at the end of each. You see working software early and often.
Who owns the code and designs?
Placeholder answer (partners to confirm). You do. Once invoices are paid, the code, designs and accounts are transferred to you.
How do you price projects?
Placeholder answer (partners to confirm). Fixed scope, monthly retainer, dedicated team or hourly. We recommend one after the discovery call.
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