Lombard Street Research Ltd.
This U.K. firm is said to have an excellent forecasting track
record. It was founded in 1989 by Tim Congdon, who has long
experience in forecasting the U.K. and other economies. Prof.
Congdon heads up the U.K. service, while Charles Dumas leads the
international sector. A variety of service levels are available;
this includes slightly dated material that is freely available
(though one must register). Their customers include a number of
firms in the City and beyond.
http://www.lombardstreetresearch.com