‘India is a fast-growing economy, so moving over here is a natural step,' said Troy Ribeiro, who founded the agency in India and has since relocated to London.
He added: ‘This could be the start of a trend: many Indian companies have partner agencies but few have set up here.'
The agency will promote the annual Asian Rich List.
Litmus has six offices in Indian cities including Mumbai. Its clients in India include Lego Toys and Baskin Robbins.