Arbuthnot Latham & Co. Limited is a British private and merchant bank headquartered in London, England.

It is the principal subsidiary of Arbuthnot Banking Group plc, which trades on the Alternative Investment Market under the stock symbol ARBB.

[16] For the entirety of its existence, Arbuthnot Latham (including its predecessor companies) have been headquartered in the City of London.

[18] In 2014, Arbuthnot Latham acquired the freehold of a property in Wilson Street, in the Bishopsgate area of the City, and moved its headquarters to that location.

It offers banking, investment management and wealth planning services to both high net worth private individuals and commercial clients.