Kölle Zoo is a pet specialty retailer serving owners of dogs, cats, small animals, birds, fish and other pets, as well as people caring for wildlife and ponds. Through its online shop and physical stores, the brand offers a broad range of food, supplies and accessories. Dog and cat selections include everyday and specialist foods, treats, beds, grooming products, toys, transport equipment and feeding essentials. Shoppers can also find products for small animals and birds, including food, habitats, bedding and enrichment items.

For aquarists, Kölle Zoo stocks freshwater and marine aquariums, fish food, plants, water-care products, filters, lighting and other equipment. Its garden and pond range includes pond-fish food, pond care and technical accessories, alongside supplies for wild birds and other garden wildlife. The assortment also covers terrariums and reptile care. Customers can use the website to find a store and check product availability for pickup. Kölle Zoo additionally provides pet-care articles and guides, hosts events, and features adoption services among its in-store offerings.