Morgan Sindall has confirmed it had been reappointed to the Improvement and Efficiency South East framework worth up to £4.5bn.
Morgan Sindall chief executive Paul Smith said: “Morgan Sindall worked successfully under the previous iESE framework and our reappointment is testament to the quality of construction we delivered.
“We look forward to extending our relationships with the public sector bodies that use the framework and further cementing our reputation in the region over the course of the next four years.”
The four-year framework - led by Hampshire County Council and used by 30 authorities and bodies from emergency services to schools - is available for use by public sector organisations across the South East to procure major building works.
Morgan Sindall has been appointed on all four frameworks bands covering projects from £1 million in value to over £25 million and will compete with seven other contractors on the four-year framework.
Projects will include the complete spectrum of new build and refurbishment schemes in education, health and community buildings such as libraries and sports facilities.
Morgan Sindall secured projects worth more than £225m as part of the previous framework contracts worth more than £1.5bn.
The group has also been appointed to a £100m construction framework in Milton Keynes, the £1.2bn framework programme of upgrades and improvements for Gatwick Airport, a £400m schools framework in South East wales and the £500m Smarte East Alliance construction framework.