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Sejlstrup

thegentlemen

This record tracks a ransomware attack claimed by the thegentlemen group against Sejlstrup. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Country
Denmark
Business Category
Communication / Marketing
Employees
101-1000
Discovered
2026-02-27
Published
February 27, 2026
Victim ID
PaRHUWrh4xwM

Attack Summary

sejlstrup.dk dnb.com/business-directory/company-profiles.sejlstrup_entreprenørforretning_a-s.f02d652f10fa8eb32e3503df8d0d3eb0.html a major construction and contracting company established in 1991 . The company employs 150 people and reported a gross profit of 101.6 million DKK (approx. 13.6 million EUR) in 2023, with excellent profitability ratings . The business is owned by the holding company SEJLSTRUP HOLDING II ApS .

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