The partner has surpassed the requirements for their partner tier, specifically exceeding the required number of Umbraco certified developers within their organization, as outlined in the certification criteria.
Certification requirements:
- Platinum: At least 1 active Certified Master OR 2 active Certified Experts
- Gold: At least 1 active Certified Expert
- Silver: At least 1 active Certified Professional
The Digital Experience Agency for Changemakers
Proud to be an Umbraco contributing platinum partner
We are the UK's leading purpose-driven digital experience agency. Since 2011, we’ve helped the UK’s largest membership and NFP organisations enhance their digital presence to drive engagement, build communities, and support movements.
As a proud Umbraco Platinum Partner, we craft award-winning Umbraco websites, personalised member portals and fully integrated digital platforms, products and services that are inclusive, accessible, sustainable and impactful.
With over 15 years experience building 100's of Umbraco websites, we lead and define best practice through our community contributions. This includes:
Leading the conversation on AI adoption in the sector
Developing the first ever open-source Razorkit to support headless Umbraco.
Contributing to the Umbraco Sustainability Council to deliver low-carbon digital solutions
Sector
- Arts & culture
- Public sector & charity
- Education
- Professional services
- Associations & Membership
Skills
- Composable (MACH)
- DXP & Personalization
- Design Systems
- Enterprise Integration
- Inclusive UX
Awards & Contributions
Contributing Gold Partner 2022
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 Gold 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 Gold 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.
Human-centric digital transformation
As a Certified B Corporation™ we bring together human-centred design, data, technology and new ways of working to help organisations grow with confidence, adapt with resilience, and deliver lasting impact.
We support across your digital estate from classic Umbraco development and ongoing support through to digital transformation strategy, member strategy & engagement, fundraising proposition development and commercial growth.
We're proud to have partnered with 15 of the top 100 Membership organisations and nearly all of the top 20 not-for-profit organisations in the UK including:
British Association for Counselling and Psychotherapy
Royal College of Anaesthetists
Royal College of Occupational Therapists
u3a (University of the Third Age with 400k+ members)
National Trust
The Scout Association
WWF
Why Manifesto?
We build long-term strategic partnerships with our clients, bringing together the expertise of over 110 UK-based creatives, technologists and strategists to define, design and deliver against your digital strategy and roadmap.
Acting as your trusted advisor, we share our collective expertise from across 5 core sectors including Memberships, Charities, Public Sector, Higher Education and Visitor Attractions.
Skills and Capabilities:
We're proud to have 2 Umbraco Masters, 1 Umbraco MVP and over 14 Certified Umbraco Engineers within our teams.
Manifesto holds ISO 27001, Cyber Essentials and Cyber Essentials Plus, ISO 9001 and ISO 14001 accreditations. We are G-Cloud 15 and DOS7 approved suppliers, providing Umbraco services through the framework with proven experience delivering against GDS standards and assessment.
Our core service lines include:
Strategic Consulting - Digital, data and AI strategy, transformation strategy, membership strategy, proposition and engagement.
User Experience & Design - User-centred design practices, research, prototyping and user testing, service design, award winning accessible design.
Technology and Development - Umbraco design and build, personalised member portals, technical architecture and complex integrations including CRM (MS Dynamics), LMS, Community Platforms, Events, Ticketing, E-commerce, AI strategy, solutions and workflow implementation.
Performance Marketing - Martech strategy, CRO, Personalisation, Digital Marketing and Paid Media, SEO/GEO/AEO.
Awards and contributions
Manifesto and our clients have been recognised for a wide range of awards across our core sectors including:
BIMA 100
Client of the Year - manifesto x Woodgreen
BIMA Awards 2025
Transformation Project of the Year - Trussell Trust
Acquia Partner of the Year Awards 2025
Acquia Tech for Good Partner of the Year - Manifesto
Digital Impact Awards 2025
Best Corporate Website - Stonewater
BIMA Awards 2024
Gold Award in Education - National Education Nature Park (in partnership with Natural History Museum and Royal Horticultural Society)
Lovie Award 2024
Beyond Community Award - International Baccalaureate - Generation Global
The Drum Top Digital Agencies 2021
Top 50 UK Client Rated Digital Agencies - Manifesto
