Official Guides to the City of London

Ian McDiarmid




Crime and punishment, Medieval London, Romans, Livery companies, Evening walks, Lectures and talks, Financial Institutions, Christmas Walks, Great Fire of London.


Ian qualified as a City Guide in 2017. He has worked as a senior bond trader and financial journalist. He is a friendly, knowledgeable guide, with a passion for passing on his enthusiasm for history and economics.


He studied History at Cambridge, before doing an MA at the University of London.

Guided Tours

Ian's particular interests include Roman and medieval London, and London as a financial centre. A full list of walks can be found on


Ian gives talks on the City of London and modern finance, London's coffeehouses, the medieval guilds, and the Black Death.