PROOFCHEMICAL S.A: public contracts won without a rival in Ecuador: 9 uncontested awards; 39% of its awards; 2 without a competition; 7 single bid.
Assay record ASY-EC-0QTBTGR1I3 · Cite as: Assay Systems, “PROOFCHEMICAL S.A: public contracts won without a rival in Ecuador”, https://assay-systems.com/register/ec/uncontested/s/proofchemical-s-a/
PROOFCHEMICAL S.A won 9 of its 23 public contract awards in Ecuador without a rival from 2016-01-13 to 2026-01-22: 2 without a competition and 7 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR with 5.
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 Pública de hidrocarburos del Ecuador EP PETROECUADOR gave PROOFCHEMICAL S.A 11 awards: 1 without a competition, 4 after a competition with a single bid. First 2016-05-24, latest 2023-12-19.
ACERIAS NACIONALES DEL ECUADOR SOCIEDAD ANONIMA (A.N.D.E.C.) gave PROOFCHEMICAL S.A 3 awards: 0 without a competition, 2 after a competition with a single bid. First 2023-07-27, latest 2026-01-22.
CORPORACION ELECTRICA DEL ECUADOR CELEC EP gave PROOFCHEMICAL S.A 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2016-10-04, latest 2019-03-13.
CORPORACION ELECTRICA DEL ECUADOR CELEC EP gave PROOFCHEMICAL S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2016-01-13, latest 2016-01-13.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-01-22 | ACERIAS NACIONALES DEL ECUADOR SOCIEDAD ANONIMA (A.N.D.E.C.) ocds-5wno2w-LICS-ANDEC-2025-003-467908 | Single bid open | Licitación |
| 2024-09-05 | ACERIAS NACIONALES DEL ECUADOR SOCIEDAD ANONIMA (A.N.D.E.C.) ocds-5wno2w-COTS-ANDEC-2024-002-467908 | Single bid open | Cotización |
| 2023-12-19 | Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR ocds-5wno2w-LICS-EPP-2023-021-253178 | Single bid open | Licitación |
| 2023-09-26 | Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR ocds-5wno2w-SIE-EPP-323-2023-253178 | Single bid open | Subasta Inversa Electrónica |
| 2023-07-25 | Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR ocds-5wno2w-SIE-EPP-147-2023-253178 | Single bid open | Subasta Inversa Electrónica |
| 2020-02-17 | Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR ocds-5wno2w-SIE-EPP-2018886-19-253178 | 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.