Sirius Real Estate Limited, a real estate company, engages in the investment, development, and operation of commercial properties in Germany. The company owns and operates a property portfolio of business parks with approximately one million square meters of lettable space to suit small and medium sized enterprises. As of March 31, 2016, it owned a portfolio of 39 business parks under the Sirius brand. 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 is based in St. Peter Port, the Channel Islands.