The building is labeled "ehem. Großmaschinenfabrik", which is odd. It used to be Nixdorf Computers, it has the distinctive Nixdorf house style. After the takeover it became Siemens-Nixdorf. ( https://www.luftbildsuche.de/info/luftbilder/siemens-nixdorf-gelaende-berlin-wedding-4866.html ) - It is currently used by Sparkasse as "Dienstleistungscenter", but they gonna move out (see https://finanzbusiness.de/nachrichten/banken/article12473249.ece )