CONSTRUCTORA ZENON ZENONCONSTRUC S.A: public contracts won without a rival in Ecuador: 13 uncontested awards; 68% of its awards; 0 without a competition; 13 single bid.
Assay record ASY-EC-1LBM3HZ0V3 · Cite as: Assay Systems, “CONSTRUCTORA ZENON ZENONCONSTRUC S.A: public contracts won without a rival in Ecuador”, https://assay-systems.com/register/ec/uncontested/s/constructora-zenon-zenonconstruc-s-a/
CONSTRUCTORA ZENON ZENONCONSTRUC S.A won 13 of its 19 public contract awards in Ecuador without a rival from 2016-09-22 to 2024-06-20: 0 without a competition and 13 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest MUNICIPIO DE BUENA FE with 12.
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.
MUNICIPIO DE BUENA FE gave CONSTRUCTORA ZENON ZENONCONSTRUC S.A 16 awards: 0 without a competition, 12 after a competition with a single bid. First 2016-09-22, latest 2024-06-20.
GOBIERNO PROVINCIAL DE LOS RIOS gave CONSTRUCTORA ZENON ZENONCONSTRUC S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2018-12-12, latest 2018-12-12.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2023-03-09 | MUNICIPIO DE BUENA FE ocds-5wno2w-MCO-GADMBF-002-2023-59101 | Single bid selective | Menor Cuantía |
| 2021-11-05 | MUNICIPIO DE BUENA FE ocds-5wno2w-COTO-GADMBF-004-2021-59101 | Single bid open | Cotización |
| 2021-07-12 | MUNICIPIO DE BUENA FE ocds-5wno2w-MCO-GADMBF-002-2021-59101 | Single bid selective | Menor Cuantía |
| 2021-03-29 | MUNICIPIO DE BUENA FE ocds-5wno2w-COTO-GADMBF-01-2021-59101 | Single bid open | Cotización |
| 2020-08-24 | MUNICIPIO DE BUENA FE ocds-5wno2w-MCO-GADMBF-004-2020-59101 | Single bid selective | Menor Cuantía |
| 2020-02-11 | MUNICIPIO DE BUENA FE ocds-5wno2w-MCO-GADMBF-001-2020-59101 | 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.