The United Kingdom National Codification Bureau are the sole authority within the UK for NATO Codification. We manage and maintain the UK's only approved NATO Codification system.

Our Services

Launch CSIS

Approved users can access the Codification Support Information System (CSIS), formerly known as the 'Item of Supply Information System'.

NATO Codification

Our team are ready and waiting to address your NATO Codification requirements. We now accept online payments to speed up the process for you.

CSIS Training

To assist and guide our CSIS user community, a collection of training modules are now available and we will be adding to this content collection in the future.


Anyone who sells, supplies, submits codification requests or provides a service to the MOD must have a valid NCAGE Code. This identifies the supplier, seller or service provider of individual items and is also used (in some cases) for payment purposes.

  • Who are UKNCB?

    The United Kingdom Codification Bureau are a team of MOD civilian NATO Codification specialists responsible for managing and maintaining the United Kingdom's NATO Codification System (NCS).

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  • NATO Codification System?

    The NCS is currently used by over 60 nations. It is the official programme where equipment; components and parts of military systems are uniformly named, described, classified and assigned a NATO Stock Number (NSN).

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  • Why codify your product?

    MOD and NATO policy dictates all items procured are to be allocated a NATO Stock Number (NSN). This is a fundamental requirement to get your product into the supply chain and will aid your export sales. Our team are waiting to meet your codification requirements.

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  • Can I access the CSIS Search Tool?

    The CSIS Search Tool is available to all Ministry Of Defence personnel free of charge. In addition to this, we are now offering subscription packages to industry and companies.

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Subscribe to CSIS

Available Soon!! We offer subscription packages to our CSIS (Codification Support Information System) application for companies who have Ministry Of Defence sponsors and are contracted to carry out work for the MOD. We are currently working with Worldpay to deliver an online payment solution to make the subscription process easier and quicker.

Commercial NATO Codification

We offer a Commercial NATO Codification service to UK companies to support the marketing and sales of their products to overseas governments. Getting your product codified will increase visibility in the global market place. We now accept payments online, please click below for our latest pricing and current offers.

Go Premium!

We offer a Codification Premium Service for Industry customers who would like a bespoke and personalised service for obtaining a NATO Stock Number for their item(s). Our premium service will save you time and hassle by completing and managing your codification request from start to finish.

Training and Demos

Check out our initial collection of training and demo modules to assist our CSIS user community. We will be adding to this content in the future.

Latest News and Events

Follow us on our journey and keep up to date with our latest news and upcomming events.

Connect With Us

Access our business contacts to assist you with your requirements or drop us an email.