Nielsen, Andersen & Company was an English[1] firm of merchants, shipbrokers, ship owners and insurance agents[2] based in Newcastle upon Tyne.

Andersen and Herman Ferdinand Nielsen, and operated in Newcastle upon Tyne and Blyth.

[3] Nielsen died in 1887 and by 1920 ownership had passed to Arthur Waldemar Carrall, James Vallans Haswell, Joseph William Atkinson and Kristian Host.

[7] Between 1879[1] and the late 20th century they were agents for the United Steamship Company of Copenhagen/DFDS[8] services between Newcastle upon Tyne and various ports in Denmark including Esbjerg.

[11] Throughout its history the company was based at a number of addresses near Newcastle Quayside including 2 King Street[12] and 9[13]/11[14]/23 Queen Street[15] in the Grade II listed Princes Buildings that were built in 1863 and designed by William Parnell.