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We create extraordinary member experiences

With 20+ years of experience and more than 100 successful projects, we help membership organisations strengthen engagement, optimise operations, and build lasting growth.

Our work has supported over 5 million members on their journey, creating digital ecosystems that evolve with your organisation's needs and ensuring every interaction adds value.

Some of our happy clients

We’re proud to partner with many of the UK’s leading membership organisations and are the digital agency of choice for over 10 organisations featured in the MemberWise INFLUENCE 100.

Explore our work

Chartered Institute of Building (CIOB)

Chartered Institute of Building (CIOB)

Chartered Institution of Building Services Engineers (CIBSE)

Chartered Institution of Building Services Engineers (CIBSE)

NHS Charities Together

NHS Charities Together

Royal Pharmaceutical Society (RPS)

Royal Pharmaceutical Society (RPS)

Pensions and Lifetime Savings Association

Pensions and Lifetime Savings Association

Association of Anaesthetists

Association of Anaesthetists

Institution of Railway Signal Engineers (IRSE)

Institution of Railway Signal Engineers (IRSE)

Chartered Institution of Wastes Management (CIWM)

Chartered Institution of Wastes Management (CIWM)

BCS, the Chartered Institute for IT

BCS, the Chartered Institute for IT

British Cycling

British Cycling

Institute of Chartered Accountants in England and Wales (ICAEW)

Institute of Chartered Accountants in England and Wales (ICAEW)

British Medical Association

British Medical Association

Royal College of Physicians

Royal College of Physicians

Royal Institute of British Architects

Royal Institute of British Architects
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Chartered Institute of Marketing

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

The Royal College of Physicians

Transforming Digital Engagement for the UK’s Medical Leaders

British Medical Association (BMA)

Elevating Digital Excellence in Healthcare: An Umbraco Upgrade for the British Medical Association

Federation of Master Builders (FMB)

Powering the Future of UK Builders Through Digital Innovation

World Travel & Tourism Council (WTTC)

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

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Why choose Cantarus for member engagement

We believe in trusted partnerships and genuinely collaborative solutions. Every organisation is unique, so we tailor our approach to remove operational barriers, optimise your technology, and unlock new opportunities for sustainable growth.

  • First-hand Membership Expertise

    Collectively, our in-house consultants have spent decades working in senior roles at some of the UK's top membership organisations. Our understanding of the challenges you face day to day, coupled with our first-hand sector experience, enables us to build solutions that drive lasting member value, growth, and retention. 

  • Longest Serving MemberWise Partner

    Cantarus has been recognised as an Official Network Partner by MemberWise for nine consecutive years – a testament to our year-round commitment to best-practice sharing and our close alignment with the membership sector.

  • Our Membership Clients

    We serve over 70 membership organisations across the UK, Europe, and North America, including many featured in the MemberWise INFLUENCE 100. Learn more about our work with leading membership organisations, including the British Medical Association, Royal College of Physicians and the Institute of Structural Engineers.

Richard Gott, Chair and Founder of the MemberWise Network comments:

"Cantarus has been a trusted and long-standing Official Partner of the MemberWise Network for over 9 years. That longevity reflects both trust and a shared commitment to strengthening the membership sector.

What I value most is their ability to deliver every corner of the digital membership ecosystem end-to-end – from websites and CRM to communities, mobile apps, and digital publishing, rather than in disconnected silos.

Together, we’ve co-created the Ultimate Guides (Online Communities and Member Apps), developed the MemberWise Network Mobile App via Cantarus’ MemConnect platform, and delivered numerous events and webcasts that have provided real, practical value for membership organisations.

By combining breadth with innovation, Cantarus continues to play a leading role in helping the sector embrace digital and deliver extraordinary member experiences."

MemberWise

MemberWise

The leading free professional network for membership and association professionals in the UK & EU. Cantarus has been a proud partner of MemberWise for 9 years.

Trade Association Forum (TAF)

Trade Association Forum (TAF)

TAF is the UK’s ‘association of associations’, a community of more than 175 trade associations encouraging the development and sharing of best practice among UK trade associations.

Memcom

Memcom

As a Memcom Strategic Partner, we work closely with membership organisations to deliver impactful digital experiences that support growth and engagement.

Our membership services

At Cantarus, we build connected digital ecosystems for membership organisations – bringing together websites, CRM, mobile apps, and online communities to create stronger, more consistent member experiences. This integrated approach helps your audiences find what they need, stay engaged, and feel supported at every stage of their journey.

  • CRM

    Our Microsoft Dynamics-powered solutions connect every touchpoint – from websites and portals to apps and online communities – helping you break down silos, automate engagement, and drive measurable impact.

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  • Online Community

    We create secure, vibrant online spaces where members can connect, collaborate, and thrive – fully integrated across web and mobile for a joined-up user experience.

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  • Experience Design & Branding

    We design experiences that are simple, beautiful, and effective – crafted with purpose to meet real member needs and deliver measurable value.

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  • Digital Publications

    We transform traditional publications into dynamic, accessible digital experiences across web and mobile, setting new standards for journals, magazines, and member content.

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  • Support & Hosting

    We strengthen your in-house team with dedicated website developer support from our world-class Client Success team, along with flexible, secure hosting packages built for enterprise demands.

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  • Data & Insight

    We turn data into clarity – empowering smarter, evidence-based decisions that drive growth, engagement, and performance.

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  • Websites (CMS, DXP & Headless)

    We design and build award-winning websites that deliver exceptional digital experiences. Leveraging our expertise as an Umbraco Platinum Contributing Partner and Kentico Gold Partner, we create solutions engineered around the needs of your organisation and your users.

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  • MemConnect - Member Apps

    Create a mobile-first member app that integrates seamlessly with Microsoft Dynamics, iMIS, Salesforce, Higher Logic, and dozens more tools – giving your members the kind of daily-value experience they expect from leading consumer apps.

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  • Content Marketing

    We develop data-driven content strategies that unify your message, elevate visibility, and build stronger connections across your digital ecosystem.

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Two Cantarus developers chatting under neon sign

​Our key technologies and partners

We leverage best-in-class platforms to deliver integrated digital experiences for membership organisations. Each technology is carefully selected for its reliability, flexibility, and ability to support long-term member engagement and organisational growth.

Higher Logic

Higher Logic

Higher Logic is a global leader in online community platforms, trusted by more than 3,000 associations worldwide. We integrate Higher Logic with MemConnect to create connected community experiences across web and mobile.

Kentico Xperience

Kentico Xperience

An award-winning digital experience platform combining CMS, digital marketing, and commerce. As a Kentico Gold Partner, we use Xperience to build tailored, future-ready websites that are easy for teams to manage and designed to grow with your organisation.

MemConnect

MemConnect

Our mobile app platform is purpose-built for membership organisations, with a range of features that can be tailored to your association’s needs. MemConnect integrates with your CMS, CRM/AMS, publications, events, and more – helping you deliver high-value engagement straight to your members’ phones.

Discourse

Discourse

Discourse is an open-source community platform offering scalable, user-friendly discussion forums. When paired with MemConnect, it provides members with a smooth, consistent community experience across devices.

Umbraco Platinum Partner

Umbraco Platinum Partner

Cantarus is the first Umbraco Contributing Platinum Partner in both the UK and US, with extensive experience delivering high-performing solutions on the open-source CMS. With certified developers and in-house MVPs, we offer deep technical expertise and a proven track record of building secure, scalable Umbraco websites.

The MemberWise Network app, powered by MemConnect

Since its original release in 2019, the MemberWise Network app has been reimagined to match the network’s expanding digital ecosystem. With Higher Logic community content now surfaced through a rich social feed, members can connect, collaborate, and stay informed more easily than ever.

Learn more about the MemberWise Network App

The Ultimate Guide to Member Apps

Your next generation of members – true digital natives – expect more from their mobile membership experience than ever before.

In this updated best practice guide, you’ll uncover the power of year-round mobile apps to elevate and sustain member engagement, while taking advantage of the latest technological advancements for a seamless user experience.

Download the Ultimate Guide to Member Apps

The Ultimate Guide to Online Communities

An online member community is a digital platform that enables members to connect with one another and with your organisation. For membership bodies, these platforms play a vital role in delivering your mission by supporting richer engagement, collaboration, and knowledge sharing.

This guide explores the key options, capabilities, and considerations when selecting and implementing an online community platform within the membership sector.

Download the Ultimate Guide to Online Communities

Recommended insights on: 
Membership

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  • Blog
  • 22 May '25
  • 6 mins
  • Lee Adams

How to build a connected digital experience for your members

  • Blog
  • 04 June '25
  • 5 mins
  • Kirstie Buchanan

Why the MemberWise Influence 100 matters – and what it reflects about the sector

  • Blog
  • 25 June '25
  • 4 mins
  • Mark Eichler

Beyond the website and inbox: The case for a member app

  • Blog
  • 07 July '25
  • 5 mins
  • James Jemmett-Page

AI for professional associations: Your low-risk, high-value guide

Trio of Cantarus staff in a design meeting

Other Sectors

We’re proud to work with many different organisations and passionate people from around the globe. Our client portfolio comprises of organisations across a wide variety of sectors in the UK, Europe, North America, and beyond.

  • Sports & Entertainment

    We know how to turn passion into digital engagement – building platforms for sports and entertainment brands that perform under pressure and deepen fan connections. 

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  • Non-Profit & Charity

    Built on belief, we create meaningful digital experiences that help charities and non-profits connect, inspire, and grow lasting support for the causes that matter most.

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  • Public Sector

    We help public sector teams to modernise legacy systems, connect communities and deliver inclusive, secure services that drive real-world impact.

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  • Education

    We partner with education providers to translate core values into digital experiences that inform, include, and inspire every learner.

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  • Retail & Commerce

    We create eCommerce experiences for leading retailers worldwide – connecting brands and customers through engaging digital journeys.

    Find Out More

Prefer to speak to someone?

If you’d like tailored advice, our Senior Consultant, James Jemmett-Page – formerly Head of Member Experience at the IoD – is always happy to talk through your goals and challenges.

Get In Touch