Cantarus US
We are Cantarus: The US’s first Umbraco Platinum Partner and Umbraco’s first multi-country Platinum Partner. Our award-winning team of consultants, developers and designers is headquartered in the UK and dedicated to helping ambitious build world-class digital experiences.
Sector
- Arts & culture
- Finance
- Public sector & charity
- Education
- Associations & Membership
Skills
- Cloud-Native
- Design Systems
- Enterprise Integration
- Legacy Modernization
- WCAG Accessibility
Awards & Contributions
Contributing Platinum Partner 2023
This badge recognizes partners who go beyond the requirements for becoming a partner by actively giving back to the Umbraco project. To earn this status, partners must contribute "agency time" toward the community through activities like core pull requests, package development, event organizing, or creating open-source documentation.
Contributing Platinum Partner 2024
This badge recognizes partners who go beyond the requirements for becoming a partner by actively giving back to the Umbraco project. To earn this status, partners must contribute "agency time" toward the community through activities like core pull requests, package development, event organizing, or creating open-source documentation.
Contributing Platinum Partner 2025
This badge recognizes partners who go beyond the requirements for becoming a partner by actively giving back to the Umbraco project. To earn this status, partners must contribute "agency time" toward the community through activities like core pull requests, package development, event organizing, or creating open-source documentation.
About Cantarus
Cantarus is an award-winning digital consultancy and Contributing Umbraco Platinum Partner in both the USA and UK. Supporting clients across North America from our Arlington, Virginia office, with specialist teams across the UK and Europe, we design, build and continuously evolve intelligent digital platforms powered by Umbraco.
From modernizing legacy CMS platforms to delivering AI-enabled content operations, personalized digital experiences and connected enterprise ecosystems, we help organizations unlock the full potential of the modern Umbraco platform.
Trusted By
Organizations including:
and the British Army.
Why work with Cantarus?
Choosing an implementation partner is one decision. Choosing a partner that actively helps shape the future of the platform is another.
What Sets Us Apart
Umbraco's first multi-country Platinum Partner
Contributing Umbraco Platinum Partner in both the USA and UK
Three Umbraco MVPs
Representation across the the Umbraco AI, Orchestration, Sustainability, and Cloud Councils.
International delivery capability across the USA, UK and Europe
Net Promoter Score of +75
100% Helpdesk Satisfaction across more than 2,000 support tickets annually
What We Do
Modernize
Transform legacy CMS platforms into secure, scalable solutions built on Umbraco CMS and Umbraco Cloud.
Connect
Integrate Umbraco with CRM, community platforms, DAM, identity providers, marketing automation, payment solutions and other business-critical systems.
Personalize
Create relevant, data-driven digital experiences using Umbraco Engage, audience insight, segmentation and experimentation.
AI & Intelligent Experiences
Help organizations adopt AI responsibly through governance, intelligent workflows, AI-ready content, search and emerging Umbraco capabilities.
Orchestrate Content
Enable structured content, editorial governance and omnichannel publishing to improve efficiency, consistency and scalability.
Optimize
Drive continuous improvement through analytics, roadmap planning, managed services and ongoing platform enhancement.
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)
Communicator Awards 2026
Gold Award of Excellence - Royal Institute of British Architects
Silver Award of Distinction - Chartered Institute of Marketing
Cases by Cantarus US
International Society of Aesthetic Plastic Surgery (ISAPS)
ISAPS partnered with Cantarus to transform its global digital presence with Umbraco CMS creating an award-winning platform that enhances mobile engagement, simplifies member journeys, and delivers a bold, future-ready experience.
