Open competition
Open procedure: the contract was advertised and any supplier could submit a bid.
Key facts
- Buyer
- Business Services Organisation, Procurement and Logistics Service · Body governed by public law
- Suppliers
- Airisq Limited SME, F. B. Smyth Co Limited SME, Ventilation Surveys Services Limited SME, G S Stothers ME Engineering Limited SME, Exi-Tite Air Filtration Ltd SME
- Value
- £298,729,613 across 6 lots
- Procedure
- Open procedure
- Sector
- Industrial machinery · HVAC packages (CPV 42512300)
- Region
- Northern Ireland
- Official notice
- 048063-2025 on Find a Tender
- Timeline
-
- Contract date22 Jul 2025
- Published12 Aug 2025Published 21 days after the contract date
Description
Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794] Additional information: The estimated value for Lot 1 is the highest value in the following range: 2,251,913 GBP to 35,983,276 GBP which has been calculated on the basis of a 5 year Contract plus maximum 36 month extension and contingency for potential additional equipment or higher level of services during the Contract period for all Clients for Lot 1.
Lots in this award
| Lot | Supplier | Value |
|---|---|---|
| Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794]: Lot 1 – HVAC Hygiene Inspection and Verification | Airisq Limited SME | £36m |
| Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794]: Lot 2 – HVAC Hygiene Maintenance and Cleaning | F. B. Smyth Co Limited SME, Ventilation Surveys Services Limited SME | £174m |
| Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794]: Lot 3 – Maintenance of Smoke Ventilation and Damper Systems | G S Stothers ME Engineering Limited SME, Ventilation Surveys Services Limited SME | £23.4m |
| Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794]: Lot 4 – Cleaning of Kitchen Extract Systems | Ventilation Surveys Services Limited SME | £16.9m |
| Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794]: Lot 5 – Cleaning of Chilled Beams and Over-Door Heaters | Ventilation Surveys Services Limited SME | £14m |
| Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794]: Lot 6 – Supply of Filters | Exi-Tite Air Filtration Ltd SME | £34.5m |
About the suppliers
Airisq Limited: every public contract they have won, plus their Companies House record (company 04137175).
F. B. Smyth Co Limited: every public contract they have won.
Ventilation Surveys Services Limited: every public contract they have won.
G S Stothers ME Engineering Limited: every public contract they have won.
Exi-Tite Air Filtration Ltd: every public contract they have won.