In most countries it's possible to get your organisation qualified as Public Benefit Organisation. Find below the links to the official pages per country:

Please check with your local government about the Public Benefit Organisation in your country.

Country Name Website
The Netherlands ANBI Belastingdienst
Belgium VZW Erkenning Federale Overheidsdienst Financiën
United Kingdom HM Revenue and Customs (HMRC) GOV.UK