Software for people-powered campaigns, optimised for Europe

NationBuilder is an integrated platform that offers the digital tools leaders need to build and organise thriving communities. We are a global company serving more than 150,000 leaders in 100+ countries who use NationBuilder to win elections, raise money, and advocate for their communities.

A woman holds a red sign reading “Stop hidden fees” on Westminster Bridge in London during a consumer rights campaign. LGBTQ+ activists march in a pride demonstration holding rainbow flags and equality signs supporting human rights and inclusion. A group of three professional colleagues—two men in blazers and a woman in a white jacket—posing together in a European city square. People wearing reflective vests and masks hold protest signs in a residential area. Signs read “Never again,” “Heshimu Katiba,” and “Decriminalize poverty.”
A group of women wearing matching shirts and gloves walk down a city street carrying plastic bags filled with collected litter during a cleanup event. Rows of candles spell out “NO NUKES FUTURE! TPNW 2021” in front of a building at night, as part of an anti-nuclear demonstration. A smiling group of people pose outdoors behind a banner that reads “À nous de choisir!” at a community event organized by La Primaire Populaire. A speaker stands on stage addressing a large seated audience in a dimly lit auditorium with red and blue lighting.

NationBuilder has powered some of this generation’s most historic campaigns in Europe

From political parties, candidates running for office, and referendums to nonprofits, businesses, and advocacy organisations.
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Own your own data

Store the data your supporters trust you to hold about them with advanced privacy tools to manage affirmative and specific communications consent across your community.

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Put people at the center

Learn what people care about the most to better understand where they are at in their engagement journey with your organisation through advanced segmentation tools.

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Move people to action

Build dynamic websites that prompt deeper community engagement and send personalised emails to supporters based on how they have engaged with you.

Email details panel showing email recipients profile with a preview of a volunteer event email. The email contains an image of people at an outdoor event and text reading 'Thank you for volunteering at our upcoming event!' The details section shows marketing newsletter information with options for text formatting, image and text insertion, and divider elements.

Distribute leadership

Use peer-to-peer community organising best practices to recruit more volunteers, raise more money, and host more community events.

Why European leaders choose NationBuilder

Proven where it counts

From national referendums to presidential elections and European institutions, we've been part of the moments that shaped modern European politics for over a decade.

People who get it, on the ground

With team members based across the UK, France, and Italy, you get dedicated support and strategy from people who understand your political and cultural context.

Built for how Europe organises

GDPR compliance isn't an add-on. It's baked into everything NationBuilder does. So your team can focus on the work that matters.

GDPR, Privacy & Security

Tools to help you build supporter relationships, get compliant and be confident in your data security.

Granular consent management

Centralising preference tracking

People and group assignment

Distributing leadership with confidence and oversight

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Enabling compliance, transparency, and customisation

Custom permissions

Giving users access to the features they need

Join thousands of European leaders building the future with NationBuilder

Alliance of Liberals and Democrats for Europe (alde) Party European Movement International (EMI) FNV Junge Linke National Union of Students (NUS) Open Britain (OB) cd&v Groen ICAN MR Wise Amnesty International

Get in touch with our European team

Whether you're exploring NationBuilder for the first time or ready to see it in action, our European team would love to hear from you.

Book a call with us to talk through your goals and find out if we're the right fit.