Supplier · Large organisation

Sierra1 Sierra Security Ltd

Sierra1 Sierra Security Ltd has won 1 UK public contract since 27 May 2026. See its competitors in public administration & defence services.

Based in Yorkshire and the HumberLatest contract 27 May 2026

Contracts
1
Published value
£0where stated
Without competition
0%0 contracts
Won by SMEs
0%of 1 with size known

Biggest customers

  1. Sheffield City Council 1 contract · —

What they supply

Competitors in public administration & defence services

Sector overview
  1. Permanent Futures ltd. SME 21 contracts · £1.76m
  2. Reward Gateway (UK) Limited 10 contracts · £26.6m
  3. Saxton 9 contracts · £356k
  4. DAI Global UK 7 contracts · £645m
  5. LTE Group (Trading as Novus) 5 contracts · £335m
  6. Capita Business Services Limited SME 5 contracts · £24.8m

These are the suppliers with the most public administration & defence services contracts in the last two years, which is where Sierra1 Sierra Security Ltd wins most of its work. They are not necessarily bidding for the same contracts. See the whole sector.

All contracts won by Sierra1 Sierra Security Ltd

Contracts won by Sierra1 Sierra Security Ltd
Date Contract Buyer Value
27 May 2026 Sheffield City Council —

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.