The agency will be based in Parsons Green, London and specialise in lifestyle consumer brands, personal profile PR and social media management.
MD of Belle PR, Tobin has worked with brands including SPANX, Mamas & Papas and Fake Bake.
Belle PR will cover fashion, entertainment, beauty, health, food, drink, travel and charity.
The agency’s clients for 2015 include Kandee Shoes, Alexis Smith Lingerie, Coxtails, VIP Tresses, Little Punk London and Diamond Whites.
Tobin said: "I believe I can offer the perfect mix of PR professionalism, passion and performance for my clients. I am pulling on years of experience working on some of the best consumer brands in the market so I cannot wait to get started on some exciting projects for my clients this year."
Tobin will continue to work as a senior consultant for EdenCancan on a freelance basis.