Carillion, which took over Newcastle’s Warm Front business Eaga in 2011, has secured contracts worth up to £200m to provide facilities management services in public sector prisons.
The group, which employs around 40,000 people and operates across the UK, the Middle East and Canada, was selected by the UK Ministry of Justice as the preferred bidder for two contracts related to the National Offender Management service.
One will cover prisons in London and the east of England while the second will cover the South West, South Central, Kent and Sussex.
Overall, work will be carried out in around 50 prisons and will run for an initial five year period, with the potential for two subsequent one-year extensions, subject to satisfactory performance.
The combined revenue from the contracts - which cover services ranging from mechanical and electrical maintenance to waste management - is expected to be between £35m and £40m per year.
Mobilisation is scheduled to begin next year with a contract start date of June 1, 2015.
Richard Howson, chief executive of Carillion, which last year reported revenues of around £4.1bn, said: “We are delighted to have been selected for these services contracts.
“I believe this reflects our ability to provide fully integrated service solutions that are tailored to the needs of our customers, combined with a strong focus on quality and value for money.
“We look forward to working closely with the Ministry of Justice to support its objectives of providing more efficient, high-quality services in public prisons.”