W5 Allzweckreiniger

W5 is a widely recognized private-label brand established by the German retail giant Lidl, which operates under the umbrella of the Schwarz Gruppe. The W5 product range covers an extensive lineup of household cleaning supplies, laundry detergents, and dishwashing solutions, among which the W5 Allzweckreiniger (all-purpose cleaner) is a core staple.

Because W5 is a supermarket store brand rather than a direct manufacturing company, its cleaning products are sourced from contract manufacturers and specialized chemical suppliers across Germany and other European countries. The ultimate ownership lies with the Schwarz Gruppe (Schwarz Group), a privately held multinational retail group headquartered in Neckarsulm, Germany, which also operates Kaufland.