Member experience matters.

At Trillium, we create intelligent CRM and digital solutions for membership organisations. 

By combining strategy, enhanced technology, and consultancy services, we transform the entire user experience, improving acquisition, retention and engagement. We're an end-to-end provider and can help you with your entire digital transformation or a single project.

Our clients include Membership bodies, Royal Colleges, Trade Unions, Associations, Regulatory bodies, and Not-For-Profit organisations.

What we can do for you:

Our specialist knowledge of your sector means we can help you with the challenges and ambitions unique to membership organisations, chartered institutes, societies, associations, regulatory and awarding bodies, and trade unions.

The Trillium membership CRM and website accelerators portfolio provides options for managing any and all aspects of your member experience, engagement and lifecycle.

Our services:

We’ll support you improve all aspects of your membership management, including:

  • Membership and subscription management
  • Member engagement scoring
  • Events and courses
  • Exams and programmes
  • Professional development
  • Financial transactions management
  • Integrated payment solutions
  • Grants and fundraising management
  • Self-service portals, websites and marketing automation

CRM (Microsoft Dynamics 365 Gold partners)

  • Consulting and customisation
  • Development and integration
  • Solution architecture
  • Licensing optimisation
  • Migration and upgrade
  • Support and maintenance
  • Process automation

Websites (Sitecore & Umbraco)

  • User research Architecture and solution design
  • Brand and digital creative design
  • Personalisation
  • UX and UI design
  • UX optimisation
  • Information architecture
  • Audit and upgrades
  • Platform migration
  • Third-party integration
  • Omnichannel marketing
  • Marketing automation
  • Member portals & intranets
  • User testing


  • Technical strategy
  • Digital strategy
  • Membership strategy
  • UX strategy
  • Content strategy
  • Creative & brand strategy
  • Data strategy
  • Marketing strategy (including SEO & social media)