Diligentia

Offers threat assessment, executive protection, protective surveillance,
international research and investigations. Includes contact details of three
offices in Bristol, London and Newcastle upon Tyne.

http://www.diligentia.co.uk/

Tag Sports

Offer racquet restringing service and racket sport products by post. They attend
the major tournaments, and provide contacts in Newtown Abbot, Devon and
Portsmouth. Hants.

http://www.tagsports.co.uk/

The Central Detective Agency

Offering surveillance, investigation and reporting expertise. Worldwide links,
with contact details of offices throughout the country, and headquarters in High
Wycombe.

http://www.cdagency.co.uk/