Registration Agency ISBN:

Registration Agencies:

Unique Identifiers

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 The agency:

  • Allocates ISBN Publisher Prefixes to eligible publishers based on the information provided by the publisher
  • Advises publishers on the correct and proper implementation of the ISBN System
  • Maintains a database of publishers and their prefixes for inclusion in the Publishers International ISBN Directory
  • Encourages and promotes the use of the Bookland EAN bar code format
  • Encourages and promotes the importance of the ISBN for a proper listing of titles with bibliographic agencies such as Nielsen
  • Provides technical advice and assistance to publishers and the book trade on all aspects of ISBN usage.

    Important Information for Publishers or email: 

Nielsen Book Services Limited
Incorporated in England and Wales / Company Number: 00070437
Registered Office: 3rd Floor Midas House, 62 Goldsworth Road, Woking, Surrey GU21 6LQ
Tel +44 (0)1483 712 200
VAT Registration Number GB 232 1805 01