The Cosgrave Property Group is an Irish property development company established by brothers Joseph, Michael, and Peter Cosgrave.

[4] In 2007 the company won the Irish Developer of the Year Award[2] at the award event organised by UK property magazine Property Week.

[5] In 2014 Cosgrave has sold to Green REIT a €384.4 million worth portfolio, comprising office buildings at Georges Quay and George's Court, Dublin 2 and retail and commercial space in Westend Retail Park, Blanchardstown.

[7] In 2016, the company sold 197 apartments at Neptune, Honeypark to SW3 Capital-Tristan Capital Partners for €72.5m.

The following year, the Cosgraves sold 319 apartments at the Leone and Charlotte buildings at Honeypark to Patrizia for €132m.