MAC CONSTRUCCIONES SPA: public contracts won without a rival in Chile: 4 uncontested awards; 40% of its awards; 2 without a competition; 2 single bid.
Assay record ASY-CL-11JRBMR1ON · Cite as: Assay Systems, “MAC CONSTRUCCIONES SPA: public contracts won without a rival in Chile”, https://assay-systems.com/register/cl/uncontested/s/mac-construcciones-spa/
MAC CONSTRUCCIONES SPA won 4 of its 10 public contract awards in Chile without a rival from 2024-08-13 to 2025-10-08: 2 without a competition and 2 after a competition that drew a single bid. 3 buyers awarded it without a rival, the largest SERV NAC SALUD HOSPITAL DE LOS ANDES with 2.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
SERV NAC SALUD HOSPITAL DE LOS ANDES gave MAC CONSTRUCCIONES SPA 6 awards: 2 without a competition, 0 after a competition with a single bid. First 2025-01-15, latest 2025-06-17.
MUNICIPALIDAD DE LOS ANDES gave MAC CONSTRUCCIONES SPA 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-10-08, latest 2025-10-08.
ILUSTRE MUNICIPALIDAD DE MELIPILLA gave MAC CONSTRUCCIONES SPA 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-08-13, latest 2024-08-21.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2025-10-08 | MUNICIPALIDAD DE LOS ANDES CL-9527251 | Single bid Licitación Pública Mayor 1000 UTM (LP) | — |
| 2025-04-03 | SERV NAC SALUD HOSPITAL DE LOS ANDES CL-52464313 | No competition direct | — |
| 2025-02-28 | SERV NAC SALUD HOSPITAL DE LOS ANDES CL-52263383 | No competition direct | — |
| 2024-08-13 | ILUSTRE MUNICIPALIDAD DE MELIPILLA CL-9382488 | Single bid Licitación Pública Mayor 1000 UTM (LP) | — |
Every uncontested award in Chile · All countries · MAC CONSTRUCCIONES SPA in the register
Source: ChileCompra / Mercado Público open data (purchase orders and tenders). Awards are matched to their buyer and supplier as published. Values in these notices often state a framework ceiling rather than a contract amount, so awards are counted, not summed. Updated 17 October 2026.