ZAMOSTI S.A: public contracts won without a rival in Ecuador: 22 uncontested awards; 92% of its awards; 20 without a competition; 2 single bid.
Assay record ASY-EC-0U5FXIK1W1 · Cite as: Assay Systems, “ZAMOSTI S.A: public contracts won without a rival in Ecuador”, https://assay-systems.com/register/ec/uncontested/s/zamosti-s-a/
ZAMOSTI S.A won 22 of its 24 public contract awards in Ecuador without a rival from 2018-04-06 to 2026-09-23: 20 without a competition and 2 after a competition that drew a single bid. 11 buyers awarded it without a rival, the largest GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DEL CANTON PEDRO CARBO with 10.
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 AUTONOMO DESCENTRALIZADO MUNICIPAL DEL CANTON PEDRO CARBO gave ZAMOSTI S.A 11 awards: 9 without a competition, 1 after a competition with a single bid. First 2018-04-06, latest 2023-12-29.
Gobierno Autónomo del Cantón Nobol gave ZAMOSTI S.A 3 awards: 3 without a competition, 0 after a competition with a single bid. First 2022-03-29, latest 2024-09-11.
HIDROPLAYAS EP gave ZAMOSTI S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-09-23, latest 2026-09-23.
GOBIERNO AUTONOMO DESCENTRALIZADO ILUSTRE MUNICIPALIDAD DEL CANTON DAULE gave ZAMOSTI S.A 2 awards: 1 without a competition, 0 after a competition with a single bid. First 2019-11-14, latest 2026-06-12.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE BALAO gave ZAMOSTI S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-08-12, latest 2024-08-12.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE SALINAS gave ZAMOSTI S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-05-22, latest 2025-05-22.
EMPRESA PUBLICA MUNICIPAL DE AGUA POTABLE Y ALCANTARILLADO DEL CANTON LOMAS DE SARGENTILLO EPMAPALS gave ZAMOSTI S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2019-12-11, latest 2019-12-11.
Guayaquil Siglo XXI, Fundación Municipal para la Regeneración Urbana gave ZAMOSTI S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-12-26, latest 2023-12-26.
Gobierno Palestina gave ZAMOSTI S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2018-08-28, latest 2018-08-28.
Municipio del Canton Palenque gave ZAMOSTI S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2022-11-11, latest 2022-11-11.
EMPRESA PUBLICA MEDIOS PUBLICOS DE COMUNICACION DEL ECUADOR - MEDIOS PUBLICOS EP EN LIQUIDACION gave ZAMOSTI S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2018-12-05, latest 2018-12-05.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-09-23 | HIDROPLAYAS EP ocds-5wno2w-CPC-HPEP-2026-001-318319 | Single bid open | Concurso publico |
| 2025-05-22 | GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE SALINAS ocds-5wno2w-CDC-GADCS-2025-002-35249 | No competition direct | Contratacion directa |
| 2024-09-11 | Gobierno Autónomo del Cantón Nobol ocds-5wno2w-CDC-GADMCN-2024-003-48779 | No competition direct | Contratacion directa |
| 2024-08-14 | Gobierno Autónomo del Cantón Nobol ocds-5wno2w-CDC-GADMCN-2024-002-48779 | No competition direct | Contratacion directa |
| 2024-08-12 | GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE BALAO ocds-5wno2w-CDC-GADMDB-2024-001-74082 | No competition direct | Contratacion directa |
| 2023-12-29 | GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DEL CANTON PEDRO CARBO ocds-5wno2w-CDC-GADMPC-2023-03-54001 | No competition direct | Contratacion directa |
Every uncontested award in Ecuador · All countries · ZAMOSTI S.A in the register
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.