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Black Diamond Security Ltd

4 contracts won£32,035,714 total value

Every public sector contract Black Diamond Security Ltd has won, with the buyer, value and end date for each. When these contracts approach their end date they usually return to the market. Business predicts when, follows Black Diamond Security Ltd for you, and alerts you the moment a renewal goes live.

Where they win

The sectors, tender types and buyers where Black Diamond Security Ltd wins most often.

See every live council tenders and find your next contract before they do.

See all school and college buyers and UK contract awards.

Sectors

Facilities Management3
Research & Consultancy3
Security Services3
Environmental Services1
Cleaning Services1

Top Buyers

Astrea Academy Trust
1 contract
City of Doncaster Council
1 contract
£1,750,000
Crescent Purchasing Consortium Limited
1 contract
£285,714
Network Rail Infrastructure Ltd
1 contract
£30,000,000

Awards(4)

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Southern Region Strategic Crime Intelligence, Security and Welfare Service

Network Rail Infrastructure Ltd
London
£30,000,000
Awarded 18 May 2026

Astrea 2026 cleaning services framework

Astrea Academy Trust
South Yorkshire
Not specified
Awarded 8 May 2026
Ends 31 May 2030

Provision of Security Services

City of Doncaster Council
Doncaster
£1,750,000
Awarded 18 Dec 2024
Ends 7 Mar 2035

CA13538 - Security Staffing and Associated Services

Crescent Purchasing Consortium Limited
Salford
£285,714
Awarded 2 Sept 2024
Ends 13 Aug 2027

Know when Black Diamond Security Ltd's contracts come up for renewal

Business predicts when each of these contracts is due to be re-tendered, follows Black Diamond Security Ltd for you, and alerts you the moment a renewal goes live, so you can bid before the incumbent locks it in again.

Why track Black Diamond Security Ltd?

Black Diamond Security Ltd is an active supplier to UK public sector buyers. Their contract history is one of the clearest guides to where the work is: which authorities they serve, what those contracts are worth, and, most usefully, when each contract is due to end. A contract nearing its end date is an opportunity, because the buyer will usually run the work again.

How renewal tracking works

We aggregate Black Diamond Security Ltd's award notices from 600+ UK and Irish sources and read the end date on each contract. From those dates, Business predicts when each contract is likely to be re-tendered and, if you follow the supplier, alerts you the moment a matching tender goes live. That head start lets you speak to the buyer and prepare a bid before the incumbent is confirmed again.

What you can do here

  • Review the full history. Every contract Black Diamond Security Ltd has won, with the buyer, value and dates for each.
  • Spot upcoming renewals. Contracts approaching their end date are the ones most likely to reopen.
  • Track and get alerted. Follow Black Diamond Security Ltd and be notified when their contracts come up again (Business).
  • Benchmark and target. See which buyers rely on them and at what value, then focus where you can win.

Frequently asked questions

Where does this data come from?

Official UK and Irish contract award notices, aggregated from 600+ sources and updated daily.

Is the contract history free?

Yes. The full award history, values and buyers are free to browse. Predicted renewal dates, following a supplier and renewal alerts are part of our Business plans.

How do you predict renewals?

From the end dates and durations recorded on awarded contracts. A contract at or near its end date is a strong candidate to return to the market.