Kier has won a £140m contract to deliver maintenance and repair works on 33,000 homes for Genesis Housing Association.
Under the contract, Kier will deliver planned maintenance works across a portfolio of 33,000 properties in London and the East of England.
It will also provide responsive repairs for over 10,000 homes in the regions.
The contract is for four years and has the potential to be extended for a further six years.
Kier is expected to begin full works from October 2014.
Kier finance director Haydn Mursell, said: “This opportunity to work with one of the UK’s leading housing associations is further endorsement of Kier’s well-established status as a provider of social housing maintenance services across the UK.
“We are committed to building long-term partnerships with all of our clients and look forward to working closely with Genesis to assist it to drive efficiencies across its core business.”