Go to SETUP > COMPANY DETAILS
Enter the Company name as it should appear on sales invoices, customer statements and reports generated from Thesaurus Accounts.
Enter the address of the place of business.
Enter the business telephone number.
Enter the business fax number.
Enter the business email address.
If VAT registered, enter the VAT registration number of the business
If the business is not VAT registered, then simply leave the VAT number field blank and tick the box indicating "business is NOT registered for VAT".