App Development Company UK

Appitized is one of the UK’s leading app development companies comprising both iPhone App Developers and Android App Developers based in the UK.  Appitized has developed hundreds of mobile applications for clients and offers a unique end-to-end service providing design, development, testing and Web/API development.

Appitized is part of the RTD Group who have provided Web Design, Development and Marketing services to over 25,000 SME businesses in the UK.

How we work

Take an inside look at how our team builds apps

Our clients

We’ve had the pleasure to work together with some remarkable brands.

Our Technologies

Our Work

A small selection of our work. See more in our full work portfolio

  • All
  • iOS
  • Android
  • Responsive Web

What We Do

We create experiences that transform brands, grow businesses and make people’s lives better.


From integrated advertising campaigns to service design, we approach our projects with strategic and creative thinking.


We partner with our clients to create big ideas and translate them into innovative digital experiences.


From prototyping through front & back end engineering to quality testing, we use the latest technologies.

The process.


During the exploration stage, we dive into our clients’ business requirements and competitive landscape.



Once we have a clear strategy and we know what we want to achieve, it’s time for our designers to roll up their sleeves.



Following thorough quality assurance involving you and our technical team, the project is finally ready to be released.