Zélo SA is a bio-food retailer based in Gland, Switzerland. The company's core activity is the sale and delivery of organic and local food products, including fruits, vegetables, meat, fish, cheese, and other products. Zélo offers various subscription models that enable customers to order their groceries online and have them delivered directly to their homes, with a focus on sustainability and environmental protection. Additionally, the company also provides catering services and a local market service.