Web App Development
Custom web applications built with modern technology, designed for performance, scalability, and user engagement
- Fully custom application tailored to your specific needs
- Modern, fast, and scalable architecture
- Seamless user experience with real-time functionality
- Future-proof codebase that grows with your business
What We Deliver
A web app is more than a website — it's an interactive tool that solves problems, automates processes, or creates engagement. From customer portals and project management tools to booking systems and analytics dashboards, web apps power modern businesses.
We build custom web applications using modern frameworks and best practices. Whether you need an MVP to validate an idea or a production-ready app that serves thousands of users, we handle everything — architecture, design, development, testing, and deployment.
Our approach emphasises scalability, security, performance, and user experience. Your app will be built on solid technical foundations, ready to grow with your business.
Why Choose Us
What makes our web app development service different.
Full-Stack Expertise
We handle frontend, backend, databases, and infrastructure. No external dependencies or middle-men — we own the entire stack for your app.
Modern Architecture
We build on proven, modern technologies — Next.js, React, Node.js, PostgreSQL, etc. Your app will be fast, secure, and maintainable for years.
Scalability from Day One
Your app is architected for growth. Whether you serve 10 users or 10,000, the system scales seamlessly without major rework.
True Iterative Development
We don't disappear after launch. We work with you to gather feedback, prioritise features, and iterate — building what users actually need.
Simple, Transparent Pricing
Compare the published scope, then confirm deliverables, exclusions and terms in your written proposal.
MVP
Minimum viable product for validating an idea with core features only.
- Core feature set
- Basic UI/UX
- Simple authentication
- Single user type
- 4–6 week delivery
- Initial deployment
- Basic documentation
Standard App
Full-featured application ready for production use.
- All core & secondary features
- Professional UI/UX design
- Advanced auth & security
- Multiple user types
- Real-time functionality
- Payment processing
- Analytics & monitoring
Enterprise App
Complex, highly scalable application with advanced features and integrations.
- Unlimited custom features
- Enterprise-grade design
- Advanced security & compliance
- Complex integrations
- High-availability architecture
- Dedicated support
- Comprehensive documentation
All prices are in GBP and exclude VAT. Contact us for a custom quote.
Get Started in Three Simple Steps
Forget complicated onboarding. We've made getting started effortless: choose your plan, tell us about your brand, and we'll handle the rest.
Discovery & Strategy
We meet to understand your business, users, problem statement, and success metrics. We research the market, map user journeys, and define MVP scope for efficient development.
Design & Development
We create wireframes and designs, build the application incrementally, and conduct regular reviews with you. Continuous feedback ensures we're building the right thing.
Testing, Launch & Support
We perform comprehensive testing, deploy to production, and provide post-launch support. We gather user feedback and iterate with feature updates and optimisations.
What You Get
Available capabilities. Confirm the deliverables and exclusions for your selected package in the proposal.
Custom Architecture Design
We design a robust, scalable architecture tailored to your specific needs. Frontend, backend, database, and infrastructure are all optimised for your use case.
Real-Time Functionality
WebSockets, live updates, real-time collaboration, and instant notifications — we implement the interactive features that make modern apps powerful.
Secure Authentication & Authorization
We implement industry-standard security including OAuth, JWT authentication, role-based access control, and encryption for sensitive data.
Database Design & Management
We design efficient databases, implement proper indexing and caching, and set up monitoring for performance — your app remains fast even as data grows.
API Development & Integration
RESTful or GraphQL APIs, third-party integrations, payment processing, and external service connections — seamlessly integrated into your app.
Deployment & DevOps
We set up automated deployment pipelines, monitoring, logging, and scaling infrastructure on Vercel, AWS, or your preferred platform.
GTS Reading CRM
From a customer enquiry to a planned transport job
We designed and built a private Next.js and Supabase application connecting customer records, a sales pipeline and controlled pricing with fleet, drivers and dispatch planning. Explore the working interface with fictional demonstration data, including the quote calculator, rate cards and daily planner.
Explore the transport CRM case study
Complete Office Fitouts, Sydney
From WordPress to a connected Next.js website
Josh had already built the frontend. We handled the migration and backend: 630 blog posts moved into Sanity, production hosting, enquiry intake and connections to the team's invoicing, email, SMS and marketing tools.
Read the migration case studyWhat Our Clients Say
Real words from the businesses we've helped grow.
Matt and his team did the most wonderful job in creating our new website for Booked Images…
Angie Jones
Booked Images
I am the first author Matt has ever had, and it has worked like a dream. Everything I have asked for has been done quickly and efficiently. I cannot recommend Matt and his team highly enough…
Jeremy J Mills
Author
Matt did a fantastic job of creating my website and working on my SEO. He was very helpful and patient, and always happy to explain everything, which is very helpful if you are not very technical. I'm very happy with the results and would definitely recommend.
Liz Patey
Owner, Liz Patey Makeup
MattDarm manages social media for our real estate agency and we finally have everything in order. Their professional approach, quick responses, and excellent communication have made us far more visible to our clients. Highly recommended!
Alina Stefanovičiūtė
Owner, Global Properties AS Real Estate
MattDarm built the Cancer Black Care website from scratch and the result is an invaluable resource for our community. Their dedication and expertise were evident throughout, and they went above and beyond to meet every requirement. Highly recommended!
Paul Campbell
Managing Director, Cancer Black Care
We initially hired Matt for a specific project to help us improve and develop our LMS on LearnDash. He did such an excellent job that what started as one project quickly developed into an ongoing working relationship…
Marcelo Pereira
General Manager, Interface Aesthetics
I have used Matt on 2 brand projects. He is an extremely talented, resourceful and responsive creative force. He produces results for businesses ranging from millions to billions in value in variety of sectors. Highly recommended.
Paul Kells
After trying many different agencies, MattDarm is exactly what I was looking for. They don't just deliver — they consult on the why behind every decision. Everything is built around the long-term success of my business, and that's made all the difference.
Adam Saez
Owner, Plant Power Academy
I've worked with MattDarm for several years. They consistently produce the highest quality work with an excellent range of expertise. Always delivered on time and a pleasure to work with — highly recommended.
Daniel Ashby
CEO, Digitally Responsive
MattDarm's sites are visually stunning and technically up to date. A really great team to work with — professional, creative, and always on point.
Paul Harvey
Owner, Paul Harvey
Matt has been absolutely brilliant. I came into this project with a pretty clear idea of what I wanted, but also changed my mind about things constantly as we went. Matt just rolled with it. Nothing was ever too difficult and there was never any drama, he'd just work out how to make it happen…
Josh Broyda
Complete Office Fitouts
We recently used MattDarm to rebuild our website and add a shop. From the beginning, Matt was professional, helpful, honest and transparent, and surprised us with ideas we would never have thought of…
Amira Sari
Client, Tile In Progress
MattDarm built the Rockee website from scratch with excellent results. They took my brief, helped with wireframes and design, and handled both front-end and back-end development. The end result was a high-converting, successful website.
Matt Laybourn
Owner, Rockee
MattDarm did an amazing job with our Beans Coffee Club site. They handled all the technical work like pros and delivered everything on time. Easy to work with and super dependable — would hire them again in a heartbeat.
Richard Jones
Managing Director, Beans Coffee Club
MattDarm has been a reliable partner across several IT projects. Their technical knowledge is impressive, but what sets them apart is a problem-solving attitude and the ability to bring clarity to even the most complex situations. High-quality results, every time.
Michael Borzecki
Owner, 6 Pack Supplements
Frequently Asked Questions
Everything you need to know before getting started.
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