Choose your category or categories Write your submission(s) and gather up to 4 pages of supporting material Gain endorsement for your submission from your Site Licence Company (SLC) or NDA client Enclose a high-resolution version of your company logo and a team photo (or other appropriate image that reflects your entry) Send your submission to supplychain@nda.gov.uk . Make sure you leave enough time to complete the process by the deadline. Closing date was 5 September 2018.