Rubuta ci gaba don wannan sakin layi - Hans Eleonardus Møller Sr. ya fara aikinsa yana aiki ga surukinsa Nicolai Benjamin Aall. Bayan mutuwar N. B. Aall a 1798, Møller ya ci gaba da aiki ga magaji Niels Aall. Daga 1811 sun mallaki kamfanin Aall & Møller, amma wannan ba shi da riba kuma an rushe shi. Møller ya saka hannun jari rigsdaler 100,000 a cikin kasuwancin. Maimakon haka ya fara ne a matsayin dan kasuwa na kansa, bayan da ya samu burge a watan Oktoba 1803. Yana mai da hankali kan kasuwancin katako, ya kuma mallaki jiragen ruwa da yawa. Yaƙin Jirgin Ruwa
daga 1807 zuwa 1813 ya ga asarar jiragen ruwa da yawa, amma ya zuba jari kuma ya maye gurbin jiragen ruwa. An sayi jirgin ruwa daya da aka kama a 1812 a 1814. Ya sayi jirginsa na karshe a 1828. Jacob Aall, surukin 'ya'yan Møller guda biyu, ya bayyana Møller a matsayin "ɗaya daga cikin' yan kasuwa mafi ƙwarewa da ƙwarewa a Norway".