UNION CEMENTERA NACIONAL UCEM S.A: public contracts won without a rival in Ecuador: 80 uncontested awards; 40% of its awards; 9 without a competition; 71 single bid.
Assay record ASY-EC-11V3Z260Y8 · Cite as: Assay Systems, “UNION CEMENTERA NACIONAL UCEM S.A: public contracts won without a rival in Ecuador”, https://assay-systems.com/register/ec/uncontested/s/union-cementera-nacional-ucem-s-a/
UNION CEMENTERA NACIONAL UCEM S.A won 80 of its 199 public contract awards in Ecuador without a rival from 2016-01-21 to 2026-07-08: 9 without a competition and 71 after a competition that drew a single bid. 36 buyers awarded it without a rival, the largest GOBIERNO AUTONOMO DESCENTRALIZADO DEL CANTON RIOBAMBA with 9.
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 DEL CANTON RIOBAMBA gave UNION CEMENTERA NACIONAL UCEM S.A 15 awards: 0 without a competition, 9 after a competition with a single bid. First 2019-11-26, latest 2026-02-04.
EMPRESA PUBLICA MUNICIPAL DE AGUA POTABLE Y ALCANTARILLADO DEL CANTON MACHALA AGUAS MACHALA EP gave UNION CEMENTERA NACIONAL UCEM S.A 9 awards: 0 without a competition, 6 after a competition with a single bid. First 2019-09-06, latest 2025-06-23.
EMPRESA DE CONSTRUCCIONES DEL CAÑAR EP gave UNION CEMENTERA NACIONAL UCEM S.A 5 awards: 1 without a competition, 4 after a competition with a single bid. First 2016-01-21, latest 2018-05-23.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DEL CANTON CUENCA gave UNION CEMENTERA NACIONAL UCEM S.A 6 awards: 2 without a competition, 2 after a competition with a single bid. First 2016-03-14, latest 2024-07-29.
CUERPO DE INGENIEROS DEL EJERCITO gave UNION CEMENTERA NACIONAL UCEM S.A 7 awards: 0 without a competition, 4 after a competition with a single bid. First 2022-05-20, latest 2025-06-16.
MUNICIPIO DEL CANTON EL TRIUNFO gave UNION CEMENTERA NACIONAL UCEM S.A 6 awards: 0 without a competition, 4 after a competition with a single bid. First 2019-11-14, latest 2023-01-03.
HONORABLE GOBIERNO AUTONOMO DESCENTRALIZADO DE LA PROVINCIA DE CHIMBORAZO gave UNION CEMENTERA NACIONAL UCEM S.A 11 awards: 1 without a competition, 3 after a competition with a single bid. First 2016-08-03, latest 2026-06-30.
MUNICIPIO DE LOJA gave UNION CEMENTERA NACIONAL UCEM S.A 5 awards: 0 without a competition, 4 after a competition with a single bid. First 2021-08-11, latest 2026-07-03.
Empresa Publica Metropolitana de Movilidad y Obras Publicas gave UNION CEMENTERA NACIONAL UCEM S.A 11 awards: 0 without a competition, 3 after a competition with a single bid. First 2021-02-24, latest 2026-05-04.
Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR gave UNION CEMENTERA NACIONAL UCEM S.A 8 awards: 0 without a competition, 3 after a competition with a single bid. First 2019-09-24, latest 2026-03-16.
GAD MUNICIPAL DE AZOGUES gave UNION CEMENTERA NACIONAL UCEM S.A 5 awards: 0 without a competition, 3 after a competition with a single bid. First 2016-08-04, latest 2021-06-04.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DEL CANTON CELICA gave UNION CEMENTERA NACIONAL UCEM S.A 5 awards: 0 without a competition, 3 after a competition with a single bid. First 2021-05-06, latest 2024-05-31.
EMPRESA PUBLICA FERROCARRILES DEL ECUADOR FEEP gave UNION CEMENTERA NACIONAL UCEM S.A 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2018-06-29, latest 2019-11-25.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL SAN MIGUEL DE BOLIVAR gave UNION CEMENTERA NACIONAL UCEM S.A 2 awards: 0 without a competition, 2 after a competition with a single bid. First 2024-01-04, latest 2025-04-28.
EMPRESA PUBLICA - EMPRESA MUNICIPAL DE AGUA POTABLE Y ALCANTARILLADO DE AMBATO gave UNION CEMENTERA NACIONAL UCEM S.A 3 awards: 0 without a competition, 2 after a competition with a single bid. First 2023-10-23, latest 2026-01-27.
Municipalidad del Cantón Biblián gave UNION CEMENTERA NACIONAL UCEM S.A 5 awards: 1 without a competition, 1 after a competition with a single bid. First 2016-05-16, latest 2025-01-21.
Gobierno Autónomo Descentralizado Municipal del Cantón Chillanes gave UNION CEMENTERA NACIONAL UCEM S.A 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2020-10-06, latest 2024-09-16.
CUERPO DE INGENIEROS DEL EJERCITO gave UNION CEMENTERA NACIONAL UCEM S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2016-08-03, latest 2016-08-03.
Empresa Publica Vial del Gobierno Autonomo provincial de Orellana gave UNION CEMENTERA NACIONAL UCEM S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2019-11-08, latest 2019-11-08.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE PUYANGO gave UNION CEMENTERA NACIONAL UCEM S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-04-26, latest 2024-04-26.
GOBIERNO PROVINCIAL DE TUNGURAHUA gave UNION CEMENTERA NACIONAL UCEM S.A 4 awards: 0 without a competition, 1 after a competition with a single bid. First 2019-09-23, latest 2026-03-11.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE CATAMAYO gave UNION CEMENTERA NACIONAL UCEM S.A 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2020-07-17, latest 2022-09-21.
Gobierno Provincial del Azuay gave UNION CEMENTERA NACIONAL UCEM S.A 6 awards: 0 without a competition, 1 after a competition with a single bid. First 2021-01-15, latest 2026-07-08.
EMPRESA ELECTRICA RIOBAMBA S.A gave UNION CEMENTERA NACIONAL UCEM S.A 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2022-07-04, latest 2022-08-18.
GOBIERNO AUTONOMO DESCENTRALIZADO PARROQUIAL RURAL DE COLUMBE gave UNION CEMENTERA NACIONAL UCEM S.A 4 awards: 0 without a competition, 1 after a competition with a single bid. First 2022-03-03, latest 2024-06-18.
GOBIERNO AUTONOMO DESCENTRALIZADO PARROQUIAL RURAL LICTO gave UNION CEMENTERA NACIONAL UCEM S.A 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2022-02-25, latest 2023-05-08.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPALIDAD DE AMBATO gave UNION CEMENTERA NACIONAL UCEM S.A 5 awards: 0 without a competition, 1 after a competition with a single bid. First 2021-06-16, latest 2025-08-15.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DEL CANTON GUANO gave UNION CEMENTERA NACIONAL UCEM S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2022-12-02, latest 2022-12-02.
Empresa Pública de Áridos y Asfaltos del Azuay gave UNION CEMENTERA NACIONAL UCEM S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2016-04-18, latest 2016-04-18.
GOBIERNO PROVINCIAL DE PICHINCHA gave UNION CEMENTERA NACIONAL UCEM S.A 5 awards: 0 without a competition, 1 after a competition with a single bid. First 2021-04-08, latest 2024-09-04.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE PALORA gave UNION CEMENTERA NACIONAL UCEM S.A 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2021-10-26, latest 2022-04-07.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DEL CANTON OTAVALO gave UNION CEMENTERA NACIONAL UCEM S.A 3 awards: 0 without a competition, 1 after a competition with a single bid. First 2022-12-13, latest 2025-07-08.
JUNTA PARROQUIAL DE CUTUGLAGUA gave UNION CEMENTERA NACIONAL UCEM S.A 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2020-09-01, latest 2021-06-21.
GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DE PORTOVELO gave UNION CEMENTERA NACIONAL UCEM S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2021-12-13, latest 2021-12-13.
GOBIERNO AUTONOMO DESCENTRALIZADO PARROQUIAL RURAL DE LICAN gave UNION CEMENTERA NACIONAL UCEM S.A 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2021-06-15, latest 2022-11-14.
GOBIERNO AUTONOMO DESCENTRALIZADO PARROQUIAL RURAL SAN LUIS gave UNION CEMENTERA NACIONAL UCEM S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2022-11-22, latest 2022-11-22.
From 2016-08-03 to 2026-06-30 every award of HONORABLE GOBIERNO AUTONOMO DESCENTRALIZADO DE LA PROVINCIA DE CHIMBORAZO in category 374 went to UNION CEMENTERA NACIONAL UCEM S.A.
All uncontested awards of HONORABLE GOBIERNO AUTONOMO DESCENTRALIZADO DE LA PROVINCIA DE CHIMBORAZO
From 2021-05-06 to 2024-05-31 every award of GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DEL CANTON CELICA in category 374 went to UNION CEMENTERA NACIONAL UCEM S.A.
All uncontested awards of GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL DEL CANTON CELICA
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-07-03 | MUNICIPIO DE LOJA ocds-5wno2w-SIE-MUNICIPIO-DE-LOJA-2026-07-2423 | Single bid open | Subasta Inversa Electrónica |
| 2026-03-11 | GOBIERNO PROVINCIAL DE TUNGURAHUA ocds-5wno2w-SIE-HGPT-2025-041-2418 | Single bid open | Subasta Inversa Electrónica |
| 2026-02-04 | GOBIERNO AUTONOMO DESCENTRALIZADO DEL CANTON RIOBAMBA ocds-5wno2w-SIE-GADMR-2025-068-33554 | Single bid open | Subasta Inversa Electrónica |
| 2026-01-27 | EMPRESA PUBLICA - EMPRESA MUNICIPAL DE AGUA POTABLE Y ALCANTARILLADO DE AMBATO ocds-5wno2w-SIE-EPEMAPAA-2025-053-545597 | Single bid open | Subasta Inversa Electrónica |
| 2025-06-23 | EMPRESA PUBLICA MUNICIPAL DE AGUA POTABLE Y ALCANTARILLADO DEL CANTON MACHALA AGUAS MACHALA EP ocds-5wno2w-SIE-AMEP-2025-006-699688 | Single bid open | Subasta Inversa Electrónica |
| 2025-04-28 | GOBIERNO AUTONOMO DESCENTRALIZADO MUNICIPAL SAN MIGUEL DE BOLIVAR ocds-5wno2w-SIE-GADMSM-2024-016-2845 | Single bid open | Subasta Inversa Electrónica |
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.