CONTRERAS,PÉREZ,,ESTANISLAO,: public contracts won without a rival in Guatemala: 30 uncontested awards; 71% of its awards; 0 without a competition; 30 single bid.
Assay record ASY-GT-1WLGDKM0OR · Cite as: Assay Systems, “CONTRERAS,PÉREZ,,ESTANISLAO,: public contracts won without a rival in Guatemala”, https://assay-systems.com/register/gt/uncontested/s/contreras-perez-estanislao/
CONTRERAS,PÉREZ,,ESTANISLAO, won 30 of its 42 public contract awards in Guatemala without a rival from 2024-06-11 to 2026-08-04: 0 without a competition and 30 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest EMPRESA PORTUARIA QUETZAL -EPQ- with 29.
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.
EMPRESA PORTUARIA QUETZAL -EPQ- gave CONTRERAS,PÉREZ,,ESTANISLAO, 41 awards: 0 without a competition, 29 after a competition with a single bid. First 2024-06-11, latest 2026-08-04.
MUNICIPALIDAD DE MASAGUA, ESCUINTLA gave CONTRERAS,PÉREZ,,ESTANISLAO, 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-11-21, latest 2025-11-21.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-08-04 | EMPRESA PORTUARIA QUETZAL -EPQ- ocds-xqjsxa-31026052 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
| 2026-06-17 | EMPRESA PORTUARIA QUETZAL -EPQ- ocds-xqjsxa-30688310 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
| 2026-03-03 | EMPRESA PORTUARIA QUETZAL -EPQ- ocds-xqjsxa-29526310 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
| 2025-11-21 | MUNICIPALIDAD DE MASAGUA, ESCUINTLA ocds-xqjsxa-28620348 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
| 2025-09-29 | EMPRESA PORTUARIA QUETZAL -EPQ- ocds-xqjsxa-27549860 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
| 2025-09-26 | EMPRESA PORTUARIA QUETZAL -EPQ- ocds-xqjsxa-27601447 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
Every uncontested award in Guatemala · All countries
Source: contract awards published by the Ministry of Public Finance of Guatemala 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. 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.