SUBJECT-4219.dossier · government agency · status: active
NS
subject of file

National Security Secretariat

Cabinet Office unit handling national security coordination
Tracked because Cabinet Office unit handling national security coordination · 7 documented connections
Facts on record2
Connections mapped7
Sources cited12
✦ Thin coverage gap +9 connected to 7 entities · only 2 facts on record · flagged for follow-up research
Evidence: 2S
Network web → Timeline → Compare with… → Position Drift → Coverage tone → View on Graph → Export CSV JSON Dossier ← Entity Directory
Stated vs Revealed
No documented contradictions on file.
PATTERN company → [regulatory filing] → government agency → [over... 728× PATTERN person → [regulatory filing] → government agency → [overs... 567× PATTERN company → [oversight] → government agency → [oversight] →... 235× PATTERN government agency → [regulatory filing] → government agen... 219× PATTERN organization → [regulatory filing] → government agency → ... 161×
Connection Map
Key Connections
→ Securities and Exchange Commission government agency
oversight
National Security Secretariat filed SEC filing on 2021-09-27
Facts (2)
Data Freshness
Stale Last update: 186d ago · Avg age: 1048d
Confidence Tiers: Primary Source — cross-referenced government/corporate filings Pending Review — sourced but not independently verified AI Inference — analytical hypothesis from cross-referencing
✓ Verified Findings (1)
Independently re-checked: a second model read the source artifact and confirmed it supports the extracted claim.
✓ verified Partially Corroborated National Security Secretariat filed filing with the SEC on 2021-09-27. Accession number: N/A.
Raw Filing Records (1) — unsourced metadata
Pending Review Search scope note: No usaspending contracts found for "National Security Secretariat" in automated database search as of 2026-04-13. This reflects search coverage limits, not confirmed absence from public record.
Added: 13 Apr 2026 UNVERIFIED Research: National Security Secretariat — USASpending contracts (no results)
All Connections (7)
→ Cabinet Office (UK) government agency
affiliation inferential since 2021
National Security Secretariat operates as part of or within the UK Cabinet Office structure
→ UK Home Office institution
cross_government_relationship secondary since 2021
The National Security Secretariat and UK Home Office are both listed as UK government entities working in security-related domains.
accountability_relationship inferential since 2021
The National Security Secretariat would likely liaise with or be accountable to the Intelligence and Security Committee of Parliament on national security matters.
→ Companies House institution
filing_relationship inferential since 2021
The National Security Secretariat filed a filing with the SEC (US entity) rather than Companies House, but as a UK government body it may maintain records at Companies House.
→ Securities and Exchange Commission government agency
oversight primary since 2021
National Security Secretariat filed SEC filing on 2021-09-27
← Investment Security Unit government agency
affiliation inferential since 2023
The Investment Security Unit is listed in close proximity to the National Security Secretariat in the known entities list, suggesting a likely organizational affiliation within UK government structures.
UK coordinating body inferential since 2010
The National Security Secretariat in the UK Cabinet Office oversees implementation of the UK-US Mutual Defence Agreement.
Sources (12)
2021-07-20 ↗ SEC EDGAR: filing — National Security Secretariat (2021-07-20) sec_filing Processed 📜 Receipt
2021-10-04 ↗ SEC EDGAR: filing — National Security Secretariat (2021-10-04) sec_filing Processed 📜 Receipt
2022-02-08 ↗ SEC EDGAR: filing — National Security Secretariat (2022-02-08) sec_filing Processed 📜 Receipt
2021-10-13 ↗ SEC EDGAR: filing — National Security Secretariat (2021-10-13) sec_filing Processed 📜 Receipt
2021-09-27 ↗ SEC EDGAR: filing — National Security Secretariat (2021-09-27) sec_filing Processed 📜 Receipt
2021-08-31 ↗ SEC EDGAR: filing — National Security Secretariat (2021-08-31) sec_filing Processed 📜 Receipt
2026 UNVERIFIED Research: National Security Secretariat — Court records (no results) court_document Processed 📜 Receipt
2026 UNVERIFIED Research: National Security Secretariat — Parliamentary records (no results) parliamentary_record Processed 📜 Receipt
2026 UNVERIFIED Research: National Security Secretariat — Lobbying disclosures (no results) government_disclosure Processed 📜 Receipt
2026 UNVERIFIED Research: National Security Secretariat — Corporate registrations (no results) government_disclosure Processed 📜 Receipt
2026 UNVERIFIED Research: National Security Secretariat — USASpending contracts (no results) contract Processed 📜 Receipt
2021-09-27 ↗ SEC EDGAR: filing — National Security Secretariat (2021-09-27) web_search Processed 📜 Receipt