Raúl Alberto Riveros Martínez: public contracts won without a rival in Paraguay: 4 uncontested awards; 27% of its awards; 1 without a competition; 3 single bid.
Assay record ASY-PY-07ZAONI17M · Cite as: Assay Systems, “Raúl Alberto Riveros Martínez: public contracts won without a rival in Paraguay”, https://assay-systems.com/register/py/uncontested/s/raul-alberto-riveros-martinez/
Raúl Alberto Riveros Martínez won 4 of its 15 public contract awards in Paraguay without a rival from 2018-07-16 to 2020-08-19: 1 without a competition and 3 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Municipalidad de Altos with 1.
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.
Municipalidad de Altos gave Raúl Alberto Riveros Martínez 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2018-10-25, latest 2018-11-20.
Municipalidad de San Bernardino gave Raúl Alberto Riveros Martínez 1 award: 0 without a competition, 1 after a competition with a single bid. First 2018-11-14, latest 2018-11-14.
Municipalidad de Emboscada gave Raúl Alberto Riveros Martínez 1 award: 0 without a competition, 1 after a competition with a single bid. First 2020-04-06, latest 2020-04-06.
Municipalidad de Caacupé gave Raúl Alberto Riveros Martínez 3 awards: 1 without a competition, 0 after a competition with a single bid. First 2018-07-16, latest 2020-08-19.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2020-04-06 | Municipalidad de Emboscada ocds-03ad3f-381709-1 | Single bid open | Contratación por Excepción |
| 2020-03-31 | Municipalidad de Caacupé ocds-03ad3f-382044-1 | No competition direct | Contratación por Excepción |
| 2018-11-20 | Municipalidad de Altos ocds-03ad3f-348928-1 | Single bid open | Contratación Directa |
| 2018-11-14 | Municipalidad de San Bernardino ocds-03ad3f-346365-1 | Single bid open | Contratación Directa |
Every uncontested award in Paraguay · All countries
Source: contract awards published by the National Directorate of Public Procurement of Paraguay (DNCP) in the Open Contracting Data Standard (data.open-contracting.org), licensed under CC BY 4.0; awards from January 2016 to 30 September 2026, accessed 15 October 2026. It is for non-commercial use and is not part of any paid service. 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.