Data Prospect provides data from the Business Universe. It's a comprehensive database of over 3.3 million businesses developed from the UK Marketing File of D&B, the global information company.

It is updated regularly against the Royal Mail Business Changes File, and includes businesses of all types and sizes from sole traders to large corporate organisations with multiple sites and many thousands of employees.

You can purchase new records from 11p per name and address. This means that no matter what size your budget is you can increase the size of customer pool easily, which has to be good for business.