January - Forbes ranks O1 Properties in TOP-10 largest owners of commercial real estate in Russia.

April - O1 Properties sponsors the Bolshoi Theatre.

June - Standard & Poor’s confirms O1 Properties rating and upgrades outlook to positive.
June - O1 Properties wins Green Office award in Moscow.

August - O1 Properties joins the UN Global Compact.

September - O1 Properties wins prize at 3rd Climate Forum of Cities.
September - O1 Properties wins prize in Green Awards: High Performance Building 2019

October - “Office-as-a-service”: New product from Space 1 and O1 Properties is targeting large customers

December - O1 Properties environment project shortlisted at People Investor competition.
December - 90% of the portfolio is certified according to the BREEAM environmental standard.