IMSG was founded in 1996 by its current Chairman and Chief Executive Officer, Gregory Thain.

IMSG has developed rapidly over the last three years, with growth in EBITDA at a rate in excess of 100% per annum. The Group has been profitable since 2000.

IMSG's long term goal is to become a leading international marketing services agency, operating in emerging markets.

The Group's clients include multinational and leading local companies operating in FMCG, telecommunications, retail trade, banking and finance, automotive, consumer electronics and pharmaceutical industries;

IMSG currently has twenty offices in emerging markets: Moscow, Saint Petersburg, Yekaterinburg, Kazan, Nizhniy Novgorod, Novosibirsk, Rostov-on-Don, Samara, Krasnodar (Russia), Kiev (Ukraine), Almaty, Astana (Kazakhstan), Istanbul (Turkey), Budapest (Hungary), New Delhi, Mumbai, Bangalore, Chennai, Kolkata, Hyderabad (India), Athens (Greece), Bucharest (Romania), Stockholm (Sweden).

IMSG's shares were admitted to trading on AIM, a market operated by London Stock Exchange plc on 6 December 2005 and on AktieTorget, the Swedish trading platform on 7 May 2007.