Directories are held in the Bolland Library in the Reference Area on Level 3. The information can vary from the address of the company to limited financial coverage. There is considerable overlap between directories and although companies may be common to several, each directory will contain slightly different information so scan as many as possible. Before using a directory read the introduction, not only to find out how it is arranged but also how the information is collected or manipulated. This will help you judge the integrity of the information and whether it can be used for comparison.
Directories are also available as Internet databases and a selection are included below.
The Library holds a selection of these registers which replace the Regional Directories series. Each volume contains, on average, approximately 20,000 records. Each record includes company name, and address, directors' names, industry sector and financial information. Smaller Companies Handbook. This is published annually in two volumes.