| 30. Sep. 2026 | MCC Replacement roofs at Roonagh Pier, Co. Mayo. | Cunningham Civil and Marine Ltd | 149.166 € | 1 | 28. Jan. 2027 |
| 24. Aug. 2026 | Nephin Valley GWS – A4 Contractor Procurement | Joe Reilly Plant Hire Ltd | 466.322 € | 6 | 20. Feb. 2027 |
| 17. Aug. 2026 | Provision of Services for the development of an Energy Master Plan for Killasser Sustaina… | O'Reilly Energy Consulting | 15.945 € | 5 | 14. Aug. 2027 |
| 12. Aug. 2026 | Glencorrib GWS – A4 Contractor Procurement | King Plant Hire | 329.305 € | 6 | 11. Feb. 2027 |
| 10. Aug. 2026 | Procurement of Architect Led Integrated Design Team for Áras an Chontae Ground Floor Civi… | MosArt T/A Passive House Academy Ltd | 303.767 € | 1 | 7. Feb. 2028 |
| 6. Aug. 2026 | MA667: Proposed Development of 5 no. units at vacant site nos. 1 to 4, Drymill Lawns, Iri… | LPB Building Services Ltd | 1.188.622 € | 9 | 4. Aug. 2027 |
| 3. Aug. 2026 | Mayo Bridges Construction and Rehabilitation Works | Jons Civil Engineering Company Limited | 3.388.728 € | 5 | 22. Juni 2027 |
| 31. Juli 2026 | Solar PV Framework For Mayo County Council | WestQuay Energy Ltd | 500.000 € | 10 | 30. Juli 2028 |
| 13. Juli 2026 | Civil Engineering led Integrated Design Team for Mayo Community Sports Campus | TOBIN Consulting Engineers_8682 | 1.040.015 € | 2 | 10. Feb. 2030 |
| 7. Juli 2026 | Construction of no. 4 dwellings at Newtown Castlebar | Pat Loftus Construction Limited | 878.031 € | 11 | 3. Jan. 2029 |
| 17. Juni 2026 | Clerk of Works Services for Ballintubber Abbey and Ballyhaunis Library Projects | Hickton Quality Control Ltd | 163.200 € | 1 | 15. Dez. 2028 |
| 16. Juni 2026 | MCC Killasser GWS – A4 Contractor Procurement | Source Civil Ltd | 452.000 € | 4 | 15. Dez. 2026 |
| 16. Juni 2026 | Provision of Services for the development of an Energy Master Plan for Tooreen Sustainabl… | eConcepts (Also trading as eTownz) | 12.195 € | 5 | 15. Juni 2027 |
| 12. Juni 2026 | MCC Killaturley GWS – A4 Contractor Procurement | Winters Plant Hire Ltd | 348.748 € | 4 | 10. Dez. 2026 |
| 4. Juni 2026 | Supply of Hydrotreated Vegetable Oil (HVO) to Mayo County Council | Certa Ireland Ltd | – | 2 | – |
| 26. Mai 2026 | Access Road to Bohola Community Park | Kevin Mulderrig Plant Hire | 198.077 € | 11 | 22. Nov. 2026 |
| 22. Mai 2026 | Shrule Glencorrib GAA and LGFA Club Community Playground at Shrule Co. Mayo. | KOMPAN Ireland Ltd | 260.689 € | 3 | 21. Nov. 2026 |
| 18. Mai 2026 | MCC Refurbishment of existing children's playground at Mullaghmore North, Kildavarogue Cr… | Creative Play Solutions | 45.922 € | 4 | 13. Nov. 2026 |
| 18. Mai 2026 | MCC Phase 2 :Refurbishment of existing children's playground at Killala Town Park, Killal… | Garden Escapes | 51.627 € | 6 | 13. Sep. 2026 |
| 11. Mai 2026 | MCC Fahy GWS – Extension to Deerpark (Aghagower) | Winters Plant Hire Ltd | 66.310 € | 6 | 8. Juli 2026 |
| 20. Apr. 2026 | Supply of a new Fire Service water tanker for Mayo County Council Fire Service | Sidhean Teo | 395.239 € | 2 | 2. Okt. 2026 |
| 27. März 2026 | Ballina Pool Pathfinder Retrofit Program | Sean Horan Limited | 248.390 € | 1 | 26. Sep. 2026 |
| 24. März 2026 | Tender for provision of Design Team Services for existing Broadway restaurant, Charlestow… | Waldron and Associates | – | – | 7. Juli 2026 |
| 11. März 2026 | PBKS (Prizon, Ballyvary, Keelogues, Straide) GWS water conservation, leakage reduction an… | SDS (Structural Design Solutions) Ltd | 73.780 € | 1 | 9. Juni 2027 |
| 11. März 2026 | Enabling Works Contract, No 3-6 Ellison Street, Castlebar | Edmund Lavin Services Ltd | 368.409 € | 8 | 10. Juni 2026 |
| 2. März 2026 | Tender for the supply of Access Control and Payment Mechanism (Contactless) Systems, with… | Danfo (UK) Ltd_88725 | 839.226 € | 1 | 27. Feb. 2027 |
| 12. Feb. 2026 | Brackloon Spaddagh GWS water conservation, leakage reduction and prevention works | SDS (Structural Design Solutions) Ltd | 28.700 € | 1 | 11. Feb. 2027 |
| 28. Jan. 2026 | Nephin Valley GWS water conservation, leakage reduction and prevention works | SDS (Structural Design Solutions) Ltd | 52.900 € | 2 | 5. Jan. 2028 |
| 26. Jan. 2026 | Westport Industrial Estate Phase 3 - Road Construction | Noone Civil Engineers and Construction Ltd | 2.111.640 € | 9 | 23. Juli 2026 |
| 22. Jan. 2026 | Lough Cumnel GWS water conservation, leakage reduction and prevention works | SDS (Structural Design Solutions) Ltd | 104.680 € | 2 | 6. Juli 2027 |