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Sielke

thegentlemenransomware groupsielke.com
Published
2d ago

Added Nov 11, 2026

sielke.com Sielke is a German family company founded in 2002 in Hamburg, operating two brands: Sielke Papier for paper, packaging and office supplies, and Sielke Home for stylish home and living products. Headquartered at Dynamowerk 1 in Hamburg-Harburg, it has been serving businesses and consumers for 23 years. Sielke Papier provides a full range from printing and kraft paper to custom packaging solutions with sustainable FSC-certified options. Sielke Home offers decoration, kitchen, bath, wellness and gift products under the motto You Are Home. The company is estimated at 2 to 10 million euro in revenue with a small team of 20 to 50 employees.

Organization Details

Organization

Sielke

Domain

sielke.com

Country

🇩🇪 DE

sielke.com

Leak Data

Published

Nov 11, 2026

Publication Status

Published

Discovered

Nov 11, 2026

Threat Group

thegentlemen

ransomware group

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Quick Facts

Country🇩🇪 DE
AddedNov 11, 2026