Frequently asked questions

Q: How is the data collected?

TDI data is collected from predominantly web based research, trade directories, questionnaires, financial reports, Companies House, telephone and desk research.  But that is not all! TDI has also been able to deliver this information at realistic and incredibly attractive prices and with TDI data there are no major restrictions that invariably come with using listings from other suppliers


Q: How old is the data?

TDI data is continually updated on a daily basis and most records are current to within the last 18 months.


Q: Can I just buy parts of the data, i.e emails, addresses etc?

Yes, simply go to our send fo a price page and tell us what you want and we will send a quotation and record count to suit your requirements.


Q: What is the guidline price for buying complete records from TDI?

Up to 5000 Records

£95 per 1000 Records + VAT

5000 to 10000 Records

£85 per 1000 Records + VAT

10000 to 20000 Records

£75 per 1000 Records + VAT

20000+ Records

£50 per 1000 Records + VAT


Q: How can I buy data?

You can purchase TDI data by:

  1. Business Category
  2. Region
  3. Postcode
  4. Town
  5. County
  6. Staff Size

To purchase by UK Business Category go to the "Data Shop"


Q: What are the business categories to choose from?

Click here to see the full list :


Q: Can I buy cut down datasets by broad category?

Yes go to www.excelbusiness.co.uk


Q: How is the data supplied?

Depending on the amount of data ordered, the files are supplied in Excel or text delimited formats. Other formats are available, please ask for details