Aegis is due to announce the opening of its European headquarters in Manchester on Thursday.
The international services company, part of the multi-national Essar Group based in India, is expected to move to Bruntwood's City Tower in Piccadilly Plaza, Manchester city centre.
Aegis has placed an offer on 36,000 sq ft at the 28-storey office building at around £18.50/sq ft. The company hopes to increase the space to 70,000 sq ft by 2015.
Aparup Sengupta, chief executive officer and global managing director of Aegis, Sudhir Agarwal, president at Aegis, and Sandip Sen, president of Americas and chief marketing officer at Aegis, will be joined by Chris Oglesby, chief executive of Bruntwood, and Sir Richard Leese, leader of Manchester City Council, at Manchester Town Hall on Thursday 14 July.
Midas, Manchester's inward investment company, said the council leader and representatives from Aegis and Bruntwood will be giving talks on the Aegis's plans to invest in Manchester.
Aegis employs 55,000 people in 10 countries, including the USA, Philippines, Argentina, Australia, New Zealand and India. Most employees work in outsourced call centres.
The Manchester office could create over 350 jobs in Manchester.
Jones Lang LaSalle and WHR are joint letting agents on City Tower.