Supplier · SME
Black Diamond Security Ltd
Black Diamond Security Ltd has won 2 UK public contracts worth £40m since 8 May 2026. See its competitors in waste, cleaning & environmental.
- Contracts
- 2
- Published value
- £40mwhere stated
- Without competition
- 0%0 contracts
- Won by SMEs
- 100%of 1 with size known
Biggest customers
-
Network Rail Infrastructure Ltd 1 contract · £40m
-
Astrea Academy Trust 1 contract · —
What they supply
-
Waste, cleaning & environmental 1 contract · —
-
Business services 1 contract · £40m
Competitors in waste, cleaning & environmental
Sector overview-
Biffa Waste Services 14 contracts · £148m
-
Churchill Contract Services 9 contracts · £17.4m
-
Caledonian Maintenance Services Ltd SME 7 contracts · £2.48m
-
Crystal Facilities Management Limited 7 contracts · £1.98m
-
Amentum Clean Energy Limited 6 contracts · £34.7m
-
Sharpsmart Limited 6 contracts · £6.53m
These are the suppliers with the most waste, cleaning & environmental contracts in the last two years, which is where Black Diamond Security Ltd wins most of its work. They are not necessarily bidding for the same contracts. See the whole sector.
All contracts won by Black Diamond Security Ltd
| Date | Contract | Buyer | Value |
|---|---|---|---|
| 18 May 2026 | Network Rail Infrastructure Ltd | £40m | |
| 8 May 2026 | Astrea Academy Trust | — |
Contracts are matched to this supplier by company name as published in each notice. If a company appears under slightly different names, some of its contracts may be listed separately. How matching works.