Liberation has also been working with Pemberton & Whiteford, which has created its logo and pack design. Online work, including its website, will be created by catchpole&friends digital and will go live next month.
The brand's cashew and peanuts will be available before Christmas in Oxfam shops, health-food stores and online. All four products will then go on sale in supermarkets early next year.
The venture, owned by Twin Trading and Equal Exchange, is backed by Comic Relief and education charity The Hunter Foundation.