Website and App Development

We will help you build a stunning website or mobile app in record time.

Transforming ideas into digital success

Your customers deserve an excellent digital experience across all their devices. Whether you are building a marketing website or the next big mobile app, we have got you covered. And if you want to improve your existing website or app, we are here for that too. 

Our 12 years of experience means we can design experiences that delight your customers wherever they are. By combining low code and bespoke development techniques, we can get you to market faster than ever before.

Website and app development with our team means that your website or app is easy to manage, includes detailed usage analytics and is search engine optimised. Choose to manage things yourself or have a fully managed service from Calls9.

Our experience includes migrating websites to low-code platforms, building custom e-commerce experiences and developing cross-platform mobile apps for iOS and Android.

Areas of expertise

Low-code Website Development

Bespoke Development

Website and App Refresh

 UX/UI Design

Don't just take our word for it.

Working with Calls9, we have been able to develop bespoke, scalable digital solutions that encourage and foster collaboration, better market our offer, and ensure clients can connect easily with an expert lawyer anywhere in the world.
Imogen Lee
Director of International Marketing and Communications
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The GO! Network
Since launching the new website, we have had a totally new brand perception, increased traffic, lots of good things! I ultimately look at the Calls9 team as colleagues more so than a solution provider for us.
Charlotte Boerescu-Kelly
Head of Marketing
LegalTech in Leeds
Calls9 quickly grasped our brief from a technical and brand perspective and quickly came up with design concepts that nailed the brief. As someone with a marketing background, I fully appreciate how hard that is for an agency to do with a minimal brief, so it was very impressive.
Julian Wells
Calls9 has been a pleasure to work with. They were able to build out the website in record time and made sure that we had everything we needed for a seamless launch. And, post-launch we’ve seen a 20% increase in online conversions and a 40% boost in traffic.
Oliver Tarpey
Head of Performance Marketing


How do you ensure digital project success?

What are the best practices for designing and building a digital product?

How do you ensure that a digital product is accessible to all users?

How do you incorporate scalability into the design and development process?

How do you ensure a smooth transition from concept to launch?