The announcement sent its share price even higher to 0.725p, up around 160% from this morning's opening price of 0.33p.
Cagney also owns research and data consultancy Tree, promotional marketing agency Cubo, brand consultancy Exedra and PR agency The Media Foundry.
A statement issued by the company's board today confirmed it has kicked off a strategic review and assessing a number of options in addition to the offer, which it stressed was at an early stage.
A year ago the company's shares were trading at around 2.25p.