Federal activity overview — Top Secret Clearance
Security clearance · Top Secret level
The Top Secret clearance grants access to information whose unauthorized disclosure could cause exceptionally grave damage to national security. The investigation is comprehensive, covering the applicant's entire adult life. Approximately 1.3 million people hold active Top Secret clearances.
Top Secret clearances are required for contracts involving intelligence, national security, advanced weapons systems, and classified R&D. Companies with TS-cleared personnel can compete for higher-value, less competitive contracts. The lengthy investigation timeline means contractors must plan workforce development well in advance.
Reference record · Sources: Federal personnel vetting standards · Covers definition, eligibility, investigation, processing time
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The Top Secret clearance grants access to information whose unauthorized disclosure could cause exceptionally grave damage to national security. The investigation is comprehensive, covering the applicant's entire adult life. Approximately 1.3 million people hold active Top Secret clearances.
Top Secret Clearance Government Contracts & Federal Records
The Top Secret clearance grants access to information whose unauthorized disclosure could cause exceptionally grave damage to national security. The investigation is comprehensive, covering the applicant's entire adult life. Approximately 1.3 million people hold active Top Secret clearances.
Explore all federal records for Top Secret Clearance — contracts, grants, spending, research, and more.
The Top Secret clearance grants access to information whose unauthorized disclosure could cause exceptionally grave damage to national security. The investigation is comprehensive, covering the applicant's entire adult life. Approximately 1.3 million people hold active Top Secret clearances.
Have a specific question about TS? Ask in plain English — Bureauify will draw on the records on this page to answer.
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Top Secret Level
6-18 months
Tier 5 (T5) — Single Scope Background Investigation (SSBI)
Top Secret clearances are required for contracts involving intelligence, national security, advanced weapons systems, and classified R&D. Companies with TS-cleared personnel can compete for higher-value, less competitive contracts. The lengthy investigation timeline means contractors must plan workforce development well in advance.
Bureauify. (2026). Top Secret Clearance — Federal Contract Intelligence. Bureauify Federal Intelligence. Retrieved , from https://bureauify.com/security_clearance/top-secret
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