The brief is thought to be worth £60,000.
The incumbent, Slice PR, declined to repitch for the account.
This follows news that Brown-Forman Beverages has a pitch process under way for an agency to roll out a social media campaign for its Finlandia vodka brand.
In May, Bacardi Brown-Forman Brands appointed Publicasity to handle trade press for brands across its portfolio such as Grey Goose, Martini, Eristoff and Drambuie, with the aim of getting them into trade titles such as Harpers Wine and Spirits Trades Review.
Modhawadia was not available at the time of going to press.