If you're here looking up Diageo customer care, you probably already know who they are. But it helps to get an idea of how big they are and what their support operation looks like if you are a customer. Diageo also goes by or is associated with the names Diageo plc, Diageo. They are considered to be part of the following sectors and industries: Consumer Staples, Food, Beverage & Tobacco, Beverages. Diageo is associated with terms like public, beverages, e-commerce, b2c, consumer staples by their customers and industry analysts. They are similar to companies like Dr Pepper Snapple Group. They employ 33,000 people according to customers in the know.