The Oxford-based agency won the account after a competitive four-way pitch.
The agency will educate consumers on the benefits of Linwoods' natural and organic products and the ease of using them in every day meals.
The PR campaign launches this month and will include experiential and online PR, alongside a comprehensive media relations campaign.
The campaign will aim to reach existing healthy eating fans in addition to a new generation of people yet to try them.
'Linwoods is a relatively new entrant to hte UK market,' said Linwoods marketing director Joanne Hayden. 'We will work with Bottle PR to implement a range of creative PR campaigns to help drive trial and sales.'