SIEGEN S.A: public contracts won without a rival in Paraguay: 5 uncontested awards; 7% of its awards; 2 without a competition; 3 single bid.
Assay record ASY-PY-13XVT511WF · Cite as: Assay Systems, “SIEGEN S.A: public contracts won without a rival in Paraguay”, https://assay-systems.com/register/py/uncontested/s/siegen-s-a/
SIEGEN S.A won 5 of its 73 public contract awards in Paraguay without a rival from 2016-03-28 to 2026-05-06: 2 without a competition and 3 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Ministerio de Salud Pública y Bienestar Social (MSPBS) with 2.
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.
Ministerio de Salud Pública y Bienestar Social (MSPBS) gave SIEGEN S.A 18 awards: 0 without a competition, 2 after a competition with a single bid. First 2016-04-19, latest 2025-07-30.
Congreso Nacional (C.N.) gave SIEGEN S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-11-07, latest 2025-11-07.
Universidad Nacional de Asunción (UNA) gave SIEGEN S.A 28 awards: 1 without a competition, 0 after a competition with a single bid. First 2016-03-28, latest 2026-05-06.
Instituto de Previsión Social (IPS) gave SIEGEN S.A 2 awards: 1 without a competition, 0 after a competition with a single bid. First 2022-06-14, latest 2022-07-26.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2025-11-07 | Congreso Nacional (C.N.) ocds-03ad3f-475153-1 | Single bid open | Licitación Pública Nacional |
| 2024-10-11 | Ministerio de Salud Pública y Bienestar Social (MSPBS) ocds-03ad3f-451571-1 | Single bid open | Licitación Pública Nacional |
| 2022-08-30 | Ministerio de Salud Pública y Bienestar Social (MSPBS) ocds-03ad3f-414610-1 | Single bid open | Licitación Pública Nacional |
| 2022-06-14 | Instituto de Previsión Social (IPS) ocds-03ad3f-400705-1 | No competition direct | Contratación por Excepción |
| 2020-04-02 | Universidad Nacional de Asunción (UNA) ocds-03ad3f-381953-1 | No competition direct | Contratación por Excepción |
Every uncontested award in Paraguay · All countries · SIEGEN S.A in the register
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.