Walkers Shortbread

Compassion in World Farming is a UK-based organisation which works with the European food industry to encourage and reward commitment, transparency, performance and innovation in the field of animal welfare. This company won their Good Egg Award in 2009 in recognition for their decision to only use cage-free eggs in the food produce.
Source: Compassion in World Farming (2009)

This company has products which carry the Vegetarian Society Seeding Symbol, the only legally registered trademark for vegetarian accreditation.
Source: VegSoc (2019)

This company is a member of the Supplier Ethical Data Exchange (Sedex), a not-for-profit, membership organisation that leads work with buyers and suppliers to deliver improvements in responsible and ethical business practices in global supply chains. Tens of thousands of companies use Sedex to manage their performance around labour rights, health & safety, the environment and business ethics.
Source: Sedex (2018)

Follow the link to see details of this company's specific achievements in the area of sustainability.
Source: company website (2020)