CitizenLab is a social impact scale-up with headquarters in Brussels and offices in New York, Amsterdam, Paris, and London. We aim to make public decision-making more participatory, inclusive, and responsive. The SaaS platform is being used by over 270 cities and municipalities in 15+ countries, facilitating two-way communication between governments and their residents. Since it was founded in 2015, CitizenLab has enabled 500,000+ community members to weigh in on the local topics they care about, and got recently recognized as 'Best Social Impact Startup in Europe'.