CONSTRUCTORA RIO BLANCO CORIBLA S.A: public contracts won without a rival in Ecuador: 9 uncontested awards; 64% of its awards; 0 without a competition; 9 single bid.
Assay record ASY-EC-00MNXCS1AB · Cite as: Assay Systems, “CONSTRUCTORA RIO BLANCO CORIBLA S.A: public contracts won without a rival in Ecuador”, https://assay-systems.com/register/ec/uncontested/s/constructora-rio-blanco-coribla-s-a/
CONSTRUCTORA RIO BLANCO CORIBLA S.A won 9 of its 14 public contract awards in Ecuador without a rival from 2020-10-08 to 2026-04-08: 0 without a competition and 9 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest GOBIERNO MUNICIPAL DE MOCACHE with 8.
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.
GOBIERNO MUNICIPAL DE MOCACHE gave CONSTRUCTORA RIO BLANCO CORIBLA S.A 13 awards: 0 without a competition, 8 after a competition with a single bid. First 2020-10-08, latest 2023-03-31.
Gobierno Municipal de San Jacinto de Yaguachi gave CONSTRUCTORA RIO BLANCO CORIBLA S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-04-08, latest 2026-04-08.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-04-08 | Gobierno Municipal de San Jacinto de Yaguachi ocds-5wno2w-LICS-GADMSJY-2026-003-128490 | Single bid open | Licitación |
| 2022-10-13 | GOBIERNO MUNICIPAL DE MOCACHE ocds-5wno2w-GADMCM-MCO-06-2022-21126 | Single bid selective | Menor Cuantía |
| 2022-05-16 | GOBIERNO MUNICIPAL DE MOCACHE ocds-5wno2w-GADMCM-COTO-01-2022-21126 | Single bid open | Cotización |
| 2021-10-05 | GOBIERNO MUNICIPAL DE MOCACHE ocds-5wno2w-GADMCM-MCO-08-2021-21126 | Single bid selective | Menor Cuantía |
| 2021-04-28 | GOBIERNO MUNICIPAL DE MOCACHE ocds-5wno2w-GADMCM-R-MCO-02-2021-21126 | Single bid selective | Menor Cuantía |
| 2021-03-05 | GOBIERNO MUNICIPAL DE MOCACHE ocds-5wno2w-GADMCM-MCO-001-2021-21126 | Single bid selective | Menor Cuantía |
Every uncontested award in Ecuador · All countries
Source: contract awards published by the National Public Procurement Service of Ecuador (SERCOP) in the Open Contracting Data Standard (data.open-contracting.org), licensed under CC BY 3.0 EC; awards from January 2016 to 30 September 2026, accessed 15 October 2026. 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.