Privacy Statement

BMT DEFENCE and SECURITY UK LIMITED (BMT) manages the Naval Authority Service (NAS) worldwide website and provides access, in accordance with access policy, to the NAS public library on behalf of the UK Ministry of Defence (MOD).

BMT is firmly committed to protecting the privacy of personal information provided by those visiting and interacting with the NAS Library online.

BMT will not capture and store any personal information about you if you access this web site, except where you voluntarily choose to give us your personal details by e-mail, or if you enquire about any of our products or services. In these latter cases, the personal information you give is used exclusively by BMT, in respect to providing this service, will provide you with current and future information about our products and services and any other offers described in this web site. BMT will not pass on any of your personal data to organisations outside of the NAS, except with your express consent.

Web Site Usage Information

We track the quantity of traffic to the various areas of our sites. However, we do not track what individual users read/access but rather how often each page is visited. This helps us to maintain a useful and informative web site. The IP addresses of visitors may be logged for statistical purposes. These IP addresses are not linked to any personal data so that visitors to our site remain anonymous.

Additionally, we may use aggregate information. Aggregate information is data we collect about a category or group of services or users which does not identify individual users or from which individual user identities have been removed. Information about how you use our website may be collected and combined with information about how others use the website but personal information will not be included in the resulting data. Aggregate data helps us understand trends in our users' needs so that we can better consider new features or otherwise tailor our website.

In addition to the other disclosures we have referred to in this statement or elsewhere in our terms and conditions, we may make disclosures which are reasonably necessary to:

  • comply with the law, any regulatory requirement, court order or other legal process
  • defend or take any legal proceedings
  • protect or defend our rights or property, or that of others or
  • enforce any agreement you may have with us to buy our products

The Information We Collect

We use customer contact information to send the user follow-up information, as well as information about our company and their product offerings. We do not have a policy of selling, sharing, or trading any of our customer information with other companies.

You have a right to know about the personal information we hold about you. You also have a right to have your data corrected or deleted. Please address all your queries and / or requests about our data to


This site contains links to the web sites of the NSASS alliance parties’ group of companies and other organizations. The NSASS alliance is not responsible for the privacy practices or the changing content of third party web sites.

Security Technology

The NSASS alliance has made a substantial investment in the latest server, database, backup and firewall technologies to protect our information assets. We always use industry-standard encryption technologies when exchanging data with our users. We have security measures in place in our physical facilities to help protect against the loss, misuse, or alteration of information that we have collected from you. We will maintain safeguards to help protect the security of the servers handling your personal information.

E-mail Practices

When you register on our web site or submit your information at a trade show or event, we will use the e-mail address you provide to send you information about the NSASS alliance or service offerings.

You may remove your name from our mailing lists at any time by sending us an e-mail.

E-mail Communications

Via telephone, mail or e-mail you can decline to receive further communications from us. You can also correct or update your contact information by e-mailing.

To report an incident of unsolicited e-mail (spam) and / or to be removed from any / all NSASS alliance mailings, please e-mail.

How to Contact Us about Information Privacy

If you have any questions about our Privacy Statement, the information we have collected from you online, or our information privacy practices on this site, please contact:

Maritime House
210 Lower Bristol Road

If you feel this site is not following its stated information privacy policy, please contact us.

From time to time we may make changes to this privacy policy so please review it frequently. We will post the revised statement on this website and will endeavour to make sure that the changes are posted before they take effect. By using this website you consent to the privacy practices described in this statement.

If you wish to receive a copy of the information the NSASS alliance holds about you please write to A variable fee maybe levied for this service if permitted by data protection legislation.

Statement last updated 19th May 2021.