Engie has won a contract to provide facilities management work such as cleaning, maintenance, waste management and pest control at courts and tribunal buildings from 1 April 2020.
FM firm OCS will provide security services covering guarding and alarm monitoring.
The contracts are worth a combined £1.1 billion over nine years.
These two contracts are part of a series of steps HM Courts and Tribunals Service is undertaking to modernise and improve the experience of all those using courts and tribunal buildings.
Justice minister Chris Philp said: "These new contracts will modernise and enhance the experience of all those using our courts and tribunals, delivering more user-friendly services.
"Our justice system is one of the most advanced in the world and this government is committed to ensuring it stays that way. Under the new arrangements, facilities management work will focus more on the people who use courts and tribunals, including victims and witnesses, with new objectives based on the experience of court users. This includes quicker response times for repair and improvement works to ensure they match industry standards, and penalties when suppliers fail to carry out work to an adequate standard.
"The new security contract will provide staff with increased training on how to work with the public and professionals in courts and place more focus on search-on entry, ensuring a safe and secure environment."