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Web & App Engineering

We create high-performing websites, mobile apps, and integrated platforms that form the backbone of your digital ecosystem. Our solutions connect systems, empower users, and open up new opportunities for growth.

From customer-facing apps and MemConnect-powered member experiences to content-rich websites and complex service platforms, everything we build is designed to scale and evolve.

Through collaborative discovery, we shape technology solutions that are secure, accessible, and future-ready – ensuring every part of your ecosystem works together effectively.

Websites (CMS, DXP & Headless) Mobile Apps Website Migration Testing Team as a Service (TaaS)

The right tools, working together

We collaborate with industry-leading technology partners to deliver proven, future-ready solutions for our clients. As a technology-agnostic agency, it's our mission to pair you with the right tools for your organisation's needs.

From our own MemConnect mobile app platform to trusted partners like Umbraco and Kentico, we build secure, scalable websites and mobile apps designed to evolve with you – creating digital ecosystems where every component works in harmony.

Umbraco Websites

As Platinum Partners – and the first Contributing Platinum Partner in both the UK and US – we know how to get the very best out of Umbraco. From smooth migrations to fully bespoke builds, our certified experts craft websites that are secure and designed for high performance.

Whether you’re starting fresh or levelling up, we’ll help you make the most of Umbraco.

Explore our Umbraco services

MemConnect Member Apps

Developed in-house at Cantarus, MemConnect is our proprietary mobile app platform designed specifically for membership organisations. Fully brandable and packed with both out-of-the-box and bespoke features, it integrates without compromise into your existing systems to deliver a mobile experience your members will love. From events and communities to personalised content and push notifications, see how MemConnect can transform member engagement.

Learn more about MemConnect

​Xperience by Kentico Websites

As a Kentico Gold Partner, we use the platform’s powerful all-in-one DXP to help organisations manage content, personalisation, marketing automation and analytics in one place. With our own website built on Kentico, we know how to create solutions that are efficient for teams, flexible for future growth, and exceptional for users. 

Whether you’re looking to upgrade, replatform, or launch something entirely new, our certified experts build fast, scalable, and marketer-friendly websites that make the most of Kentico’s capabilities.

Explore our Kentico services

Some of our happy clients

We partner with leading organisations to deliver high-performing websites and mobile apps that drive measurable impact.

Youth Sport Trust

Youth Sport Trust

Association of Anaesthetists

Association of Anaesthetists

WHSmith

WHSmith

Institute of Chartered Accountants in England and Wales (ICAEW)

Institute of Chartered Accountants in England and Wales (ICAEW)

Hartpury University and Hartpury College

Hartpury University and Hartpury College

British Medical Association

British Medical Association

Trade Association Forum (TAF)

Trade Association Forum (TAF)

Lancashire Country Cricket Club

Lancashire Country Cricket Club

Royal Institute of British Architects

Royal Institute of British Architects

Baltic and International Maritime Council (BIMCO)

Baltic and International Maritime Council (BIMCO)

Chartered Governance Institute

Chartered Governance Institute

The website that has been delivered exceeded our expectations in functionality and ease of use, providing us with an excellent platform for future growth. Added to this, Cantarus are a great all-round team to work alongside, who simplified what was a complex project and were always happy to help.

Gemma Campbell Director, Business Support and Deputy CEO, Association of Anaesthetists

Chartered Institute of Building (CIOB)

A Smarter, Connected Future for CIOB Members

Baltic and International Maritime Council (BIMCO)

A Digital Transformation for a Global Shipping Community

Soldier Magazine

Modernising Soldier magazine for a mobile-first future—bringing 80 years of Army history online with a sleek and accessible experience on the Umbraco CMS.

World Travel & Tourism Council (WTTC)

Unifying Brand, Content and Experience for one of Travel’s Biggest Voices

Youth Sport Trust

Crafting an accessible website for a children's charity, learn how we delivered a multi-award winning platform

Chartered Institute of Marketing

Futureproofing a 100-Year Brand: How CIM and Cantarus Redefined Purpose, Platform & Proposition

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