Sirius Real Estate Limited, a real estate company, engages in the investment, development, and operation of commercial properties in Germany. It owns and manages offices; warehouses, storerooms, and self-storage spaces; and production and workshop spaces. The company serves individuals and small to medium-sized enterprises under the Sirius brand name. It owns and manages business parks with approximately 4.3 million square feet of lettable space in the United Kingdom; and 1.8 million square meters of lettable space in Germany. The company was formerly known as Dawnay, Day Sirius Limited and changed its name to Sirius Real Estate Limited in October 2008. Sirius Real Estate Limited was incorporated in 2007 and is based in Saint Peter Port, Guernsey.