The five-year deal will include maintenance of grass plots, planted areas and hard surfaces.
The work will cover locations around the housing association's 1,500 properties through Irvine and Kilwinning.
The deadline is 8 January. Contact John Brennan at the Irvine Housing Association, 2nd Floor, Bridgegate House, Irvine, KA12 8BD.
Email email@example.com or call 01294 271128.