The marketing firm has been selected to handle advertising and brand strategy for the pharmacy chain.

Stonegate Pub Partners, the UK's largest pub company, is facing intense scrutiny and complaints of tenant mistreatment, with accusations of entrapping landlords into financially detrimental situations.

Stonegate, the UK's largest pub and bar chain, is under investigation for alleged unfair treatment of its landlords. The probe will examine the company's practices regarding its tenants.