Martin David Davison

Octagonal Ltd. is a financial services company, which through its subsidiary, engages in the provision of global settlement and custody services to investors, hedge funds, institutions, family offices, and high net worth individuals. It operates through Corporate Broking and Advisory segment. The company was founded in 2002 and is headquartered in London, the United Kingdom.

A subsidiary of Lehman Brothers Holdings, Inc., Lehman Brothers, Inc. is a broker/dealer headquartered in New York City. They provide global equity and fixed research. The equity research department covers more than 100 sectors. They use a fundamental, quantitative, strategic and tactical research approach. In addition to these Lehman has also developed special products, such as 10 uncommon values and 10 uncommon eurovalues.