Links to the individual handbell choirs can be found on the corresponding pages to the respective choirs or the entries in the map handbell choirs worldwide.
The website Glocken.org is a sister project of handbells.eu, where you can find information and links about bells in general.
The website Handglockenchor.de is another sister project of handbells.eu with information about the handbell choir of the adventist church in Hamburg.
https://www.handglockenchor.de/ (in German)
https://www.adventgemeinde-grindelberg.de/ (in German)