OBRAS INTERVENTORIAS Y PROYECTOS OIP ZOMAC S.A.S: public contracts won without a rival in Colombia: 5 uncontested awards; 71% of its awards; 5 without a competition; 0 single bid.
Assay record ASY-CO-1G8B6H70F2 · Cite as: Assay Systems, “OBRAS INTERVENTORIAS Y PROYECTOS OIP ZOMAC S.A.S: public contracts won without a rival in Colombia”, https://assay-systems.com/register/co/uncontested/s/obras-interventorias-y-proyectos-oip-zomac-s-a-s/
OBRAS INTERVENTORIAS Y PROYECTOS OIP ZOMAC S.A.S won 5 of its 7 public contract awards in Colombia without a rival from 2022-08-12 to 2025-08-08: 5 without a competition and 0 after a competition that drew a single bid. 3 buyers awarded it without a rival, the largest EMPRESA AUTONOMA GUATAPE with 3.
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.
EMPRESA AUTONOMA GUATAPE gave OBRAS INTERVENTORIAS Y PROYECTOS OIP ZOMAC S.A.S 5 awards: 3 without a competition, 0 after a competition with a single bid. First 2022-08-12, latest 2025-08-08.
EMPRESA PARA LA COMPETITIVIDAD TERRITORIAL DEL MUNICIPIO DE GIRARDOTA gave OBRAS INTERVENTORIAS Y PROYECTOS OIP ZOMAC S.A.S 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-04-20, latest 2023-04-20.
ASOCIACION DE MUNICIPIOS DEL OCCIDENTE ANTIOQUEÑO gave OBRAS INTERVENTORIAS Y PROYECTOS OIP ZOMAC S.A.S 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-03-28, latest 2023-03-28.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2025-08-01 | EMPRESA AUTONOMA GUATAPE CO1.PCCNTR.8140002 | No competition Contratación régimen especial | Decreto 092 de 2017 |
| 2025-05-29 | EMPRESA AUTONOMA GUATAPE CO1.PCCNTR.7926375 | No competition Contratación régimen especial | Decreto 092 de 2017 |
| 2023-04-20 | EMPRESA PARA LA COMPETITIVIDAD TERRITORIAL DEL MUNICIPIO DE GIRARDOTA CO1.PCCNTR.4885887 | No competition Contratación régimen especial | Decreto 092 de 2017 |
| 2023-03-28 | ASOCIACION DE MUNICIPIOS DEL OCCIDENTE ANTIOQUEÑO CO1.PCCNTR.4755913 | No competition Contratación directa | Servicios profesionales y apoyo a la gestión |
| 2022-08-12 | EMPRESA AUTONOMA GUATAPE CO1.PCCNTR.3915269 | No competition Contratación régimen especial | Decreto 092 de 2017 |
Every uncontested award in Colombia · All countries · OBRAS INTERVENTORIAS Y PROYECTOS OIP ZOMAC S.A.S in the register
Source: SECOP II, Colombia Compra Eficiente open data (datos.gov.co). 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.