: The group's official fanclub is known as CARAT , with memberships available through platforms like the Weverse Shop.
: A specific fan-driven or thematic initiative known as Tiny Issue Club Seventeen offers support and advice for minor everyday challenges, often associated with fan communities on platforms like TikTok and Etsy . Clubseventeen
: Originally known as Seventeen (established in 1979), this Dutch company rebranded to Club Seventeen in 1990. It focused on producing magazines and videos that gained significant market share in the Netherlands, Germany, and the UK. : The group's official fanclub is known as