About Cantarus

We’re Cantarus—an independent, full-service digital agency that partners with ambitious brands and influential organisations to craft extraordinary digital experiences. Headquartered in Manchester, with additional offices in London, Washington, and Moldova, our growing team of 75+ digital specialists (featuring 2 Umbraco MVPs) is structured to invest in long-term client success. We’re proud to maintain an industry-leading Net Promoter Score of +75 and 95% client retention rate, a reflection of our focus on delivering outstanding results and lasting relationships.

Building Websites and Integrated Digital Ecosystems for Membership Organisations

With over two decades of experience and hundreds of successful digital projects delivered, Cantarus is the trusted long-term partner for some of the most influential membership organisations, associations, charities, and global institutes. We’re proud to support some of the UK’s largest membership bodies—including the likes of the Chartered Institute of Marketing, British Medical Association, and the Royal Institute of British Architects—helping them to deliver truly exceptional membership experiences through connected, engaging, and scalable digital ecosystems built on Umbraco.

Why Work With Cantarus?

Cantarus is proud to be a Contributing Umbraco Platinum Partner in both the UK and USA and the official host of the Umbraco Roadshow in the North West. We’re actively involved in shaping the future of the platform through our participation in the Umbraco Orchestration, Sustainability, and Cloud Councils. 

With ISO 27001 and ISO 9001 accreditations, we combine robust security with consistently high-quality delivery. These standards underpin every project, ensuring your digital platform is built on secure processes, reliable governance, and a commitment to excellence.

Services & Skills 

We combine strategic consultancy, technical delivery, and creative excellence to deliver scalable, user-focused solutions. 

Our Services:

• Umbraco website design and development

• Mobile app development for membership/associations

• Digital publications (via web and/or mobile)

• Online community platforms

• Experience design and branding

• Hosting, support and optimisation

• Analytics, insight and personalisation

• Strategic digital and AI consultancy

• Content marketing

We work with clients across the UK, Europe, North America, and across the world—tailoring every solution to your organisation’s goals and user needs. 

Awards and contributions

We’ve been recognised across the industry for our innovation, creativity, and outcomes-focused work. You can dig deeper into our expertise by visiting the case studies section of our website.

Umbraco Awards 2025

Nominee - British Army, Best Website Design

Communicator Awards 2025

Excellence Winner - British Army, Best Website (Government)

Distinction Winner - Royal College of Physicians, Best Website (Associations)