Building’s exclusive and sortable Top 150 Contractors & Housebuilders table reveals which firms have moved up or down the turnover rankings over the past year as they grapple with a difficult operating environment.

But behind the topline figures, there are also stories to tell through detailed breakdowns of the data we collected, including for pre-tax profit, turnover and margins. So we have crunched the data further, including splitting the data into housebuilders and contractors.