YY Security Installations Limited

Seller Intelligence Snapshot

Coverage Range

2025-11-21 09:24 UTC to 2025-12-05 08:29 UTC.

Last Refresh

2026-03-18 08:12 UTC

Coverage Toggle

90d 365d All time

Find a Tender (2)

Awards

Open Notices

Known GBP Value

£563,802

Avg Award Value (Known GBP)

£281,901

Active Sectors

Awarding Buyers

Concentration

What this means	Value
Dependence on biggest customer	100.0% (High dependence)
Dependence on biggest sector	100.0% (High dependence)
Customer concentration score	10000.0 (High concentration)
Sector concentration score	10000.0 (High concentration)

Interpretation: a higher concentration score means awards are concentrated in fewer buyers or sectors.

Page 1 of 1 (2 total)

Title	Status	Buyer	Value	Sector	Source	Published
Direct award for the management of locks and keys for London Underground Site	complete	Transport for London	£281,901	Locks, keys and hinges	Find a Tender	05 Dec 2025, 08:29	View notice
Management of locks and keys for London Underground sites	complete	Transport for London	£281,901	Locks, keys and hinges	Find a Tender	21 Nov 2025, 09:24	View notice

Page 1 of 1 (1 buyers)

Buyer	Award Count	Known GBP	Most Recent Award	Sector Concentration	Opportunities
Transport for London	2	£563,802	05 Dec 2025, 08:29	Locks, keys and hinges	View notices

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Sector	Notices	Opportunities
Locks, keys and hinges	2	View notices

Sector	Known GBP	Notices	Opportunities
Locks, keys and hinges	£563,802	2	View notices

CPV Code	Description	Notices	Known GBP	Opportunities
44520000	Locks, keys and hinges	2	£563,802	View notices

Month	Total	Open	Awarded	Known GBP
Nov 2025	1	0	1	£281,901
Dec 2025	1	0	1	£281,901

Months active in last 12: 2. Longest active streak: 2 months.

Known GBP coverage: 100.0% of notices have known GBP values.

Buyer attribution coverage: 100.0% of notices have buyer names populated.