4:10PM The latest moves in the ABI leagues of the top QSs, PMs and clients.

A major shake-up in this month's league of quantity surveyors: Davis Langdon has finally been knocked off the top slot. EC Harris has jumped into poll position, while Turner & Townsend has squeezed into second place. Davis Langdon has slipped down into third, having enjoyed a strangle hold on the top position since we have been running the tables. Click on the links (left) for the full rankings, plus the project manager and client leagues.