this info is from a conpany formation info site it kosher
cheers
ON WHICH DOCUMENTS MUST THE COMPANY NAME BE DISPLAYED?
A company must display its name in legible lettering on the following documents:
* All the company's business letters
* All notices and other financial publications
* All bills of exchange, promissory notes, endorsements, cheques and orders for money or goods purporting to be signed by, or on behalf of, the company.
* All bills of parcels, invoices, receipts and letters of credit.
IS IT NECESSARY TO SHOW ANY OTHER COMPANY DETAILS?
Yes, a company must display the following details on all its business letters and order forms:
* Company's registration number and place of registration. the place of registration can be one of the following:
For companies registered in England and Wales:
Registered in Cardiff
Registered in England and Wales
Registered in England
Registered in London
Registered in Wales
* Company's registered office address. If a business letter or order form displays more than one address, it is recommended to state which is the registered office address
IS IT NECESSARY TO SHOW THE DIRECTORS' NAMES?
A company is not required to display its directors' names on its business letters. However, if a company chooses to do, it must state the names of all its directors i.e. it must show all of them or none of them.