Maersk, Hamburg Süd, Sealand and KGH to move into “Johann Kontor” in the Kontorhaus District October 28, 2021 International Shipping, Trending News Upscale new complex in Hamburg’s city centre will become one of the city’s largest maritime logistics clusters. Maersk, the world’s largest integrator in container logistics, as well as its subsidiaries Hamburg Süd, Sealand Europe