Rock salt contracts

• The five suppliers that won the most rock salt contracts took 91% of them (57 of 63).
• The median contract, £75k, is 46% below the median across construction & trades contracts (£139k).
• Highways England awarded 68% of the rock salt contracts (43 of 63).

1. 1Highways England43 contracts£7.3m
2. 2Devon County Council4 contracts£1.4m
3. 3Worcestershire County Council3 contracts£527k
4. 4Department for Infrastructure1 contract£9.0m
5. 5Dorset Council1 contract£1.1m
6. 6Derbyshire County Council1 contract£1.0m
7. 7Westmorland and Furness Council1 contract£793k
8. 8Sandwell Metropolitan Borough Council1 contract£575k
9. 9Stirling Council1 contract£520k
10. 10Halton Borough Council1 contract£300k

1. 1Compass Minerals29 contracts£11.0m
2. 2Peacock Salt9 contracts£327k
3. 3Safecote Limited9 contracts£306k
4. 4ICL UK7 contracts£581k
5. 5Irish Salt Mining and Exploration Company Ltd3 contracts£9.1m
6. 6NWT Supplies Ltd2 contracts£30k
7. 7Salt Sales1 contract£1.2m
8. 8Crystal Purchasing Ltd T/A ICL UK (Sales) Ltd1 contract£30k

Latest

• East Region Potassium Acetate Order 2 (official notice, opens in a new tab)

  £35k

  Highways England to Safecote Limited · Awarded 5 October 2026

• East Brown Salt Order 08 (official notice, opens in a new tab)

  £1.5m

  Highways England to Compass Minerals · Awarded 2 October 2026

• DfI TRAM - Supply and Delivery of Ground Rock Salt (official notice, opens in a new tab)

  £9.0m

  Department for Infrastructure to Irish Salt Mining and Exploration Company Ltd · Awarded 22 September 2026

• Area 9 Potassium Acetate Order 3 (official notice, opens in a new tab)

  £10k

  Highways England to Safecote Limited · Awarded 21 September 2026

• Supply of Rock Salt for 2026/2027 (official notice, opens in a new tab)

  £91k

  South Gloucestershire Council to Irish Salt Mining and Exploration Company Ltd · Awarded 17 September 2026

• Midlands Brown Salt Order 5 (official notice, opens in a new tab)

  £295k

  Highways England to Compass Minerals · Awarded 15 September 2026

• Salt for Winter Maintenance (official notice, opens in a new tab)

  £520k

  Stirling Council to supplier not published · Awarded 14 September 2026

• NW Area 13 White Salt Order 17 (official notice, opens in a new tab)

  £17k

  Highways England to Peacock Salt · Awarded 2 September 2026

• East Brown Salt Order 07 (official notice, opens in a new tab)

  £1.5m

  Highways England to Compass Minerals · Awarded 2 September 2026

• Supply and delivery of bulk de-icing rock salt for winter highway maintenance (official notice, opens in a new tab)

  £1.1m

  Dorset Council to Compass Minerals · Awarded 28 August 2026

Largest

• South West Collaborative De-Icing Salt Framework - 2026/2027 Mini Competition - Lot 1 Bulk De-icing Salt to BS3247:2011 (official notice, opens in a new tab)

  £1.2m

  Devon County Council to Salt Sales · Awarded 3 June 2026

• PLACE1277H Gritting Salt 2026/2027 (official notice, opens in a new tab)

  £1.0m

  Derbyshire County Council to Compass Minerals · Awarded 13 August 2026

• Awarded Contract (official notice, opens in a new tab)

  £793k

  Westmorland and Furness Council to Compass Minerals · Awarded 9 January 2026

• Midlands Area 7 Brown Salt Order 3 (official notice, opens in a new tab)

  £656k

  Highways England to Compass Minerals · Awarded 7 August 2026

• FURTHER COMPETITION conducted under ESPO Framework Agreement 220_24 De-icing Salt & Associated Products/Services - AWARD (official notice, opens in a new tab)

  £575k

  Sandwell Metropolitan Borough Council to Compass Minerals · Awarded 9 October 2025

Supply and delivery of rock salt and other de-icing materials to depots for winter gritting.

• Rock salt to BS 3247
• Delivery to salt barns and depots

• Gritting and winter service operations (con.civils.winter-service)
• Aggregates and asphalt (con.site.aggregates-asphalt-concrete)

• Generator hire
• Building materials
• Scaffolding
• Asphalt

• Sen transport
• Bridge engineering