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Founded in 2003

The Company was founded in 2003 by Rupert Hodson, Raphael Queisser and Cabell de Marcellus, who saw an opportunity for a financial advertising platform serving asset managers and brokers working in partnership with leading financial websites. Prior to starting Dianomi, the founders worked together at Interactive Investor, the online investment platform, which they left to establish Dianomi.


Entered the US Market in 2010

In June 2010, the Group incorporated Dianomi Inc., its wholly owned US subsidiary, and established an office in New York. Expansion in the North American market has been critical to the Group’s growth in the last decade. The Group also incorporated its wholly owned Australian subsidiary, Dianomi Pty Ltd, in November 2010 and established an office in Sydney.


Business Growth Fund invests in 2018

BGF is an established, independent investment company, with a balance sheet of more than £2.5bn supporting earlier stage and established private businesses, and smaller listed companies.


Listed on AIM in 2021

In order to further expedite the Group’s growth, Dianomi successfully listed on the London Stock Exchange in May 2021.