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List X

The UK Government designation for a contractor facility approved to hold or access classified information under a government contract.

The UK Government’s designation for a contractor facility that has been approved to hold or access protectively marked or classified information and assets under a government contract. List X status is granted where contractual security requirements justify enhanced physical, personnel, and information security measures, and is commonly required for certain defence and national security contracts.

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This session covers how to run proposal review gates that consistently strengthen drafts through structured feedback and resolution tracking.
This session covers how to run proposal review gates that consistently strengthen drafts through structured feedback and resolution tracking.
Stage Gates, now live in VisibleThread's proposal management software, put a checkpoint at every stage boundary on your Tracked Opportunities and Proposals boards. Before a card can move forward, the person moving it has to answer the questions your team defined for that transition. The answers save against the card, permanently.

Related Glossary Terms

The official compilation of permanent U.S. federal laws, providing the statutory basis for many contracting requirements.
A global classification system used to categorize products and services for procurement and spend analysis.
A unique 12-character identifier assigned via SAM.gov to organizations doing business with the federal government, replacing the DUNS number.
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