SIGMA-ALDRICH QUIMICA LIMITADA: public contracts won without a rival in Chile: 65 uncontested awards; 11% of its awards; 61 without a competition; 4 single bid.
Assay record ASY-CL-1LQZQQL1R3 · Cite as: Assay Systems, “SIGMA-ALDRICH QUIMICA LIMITADA: public contracts won without a rival in Chile”, https://assay-systems.com/register/cl/uncontested/s/sigma-aldrich-quimica-limitada/
SIGMA-ALDRICH QUIMICA LIMITADA won 65 of its 570 public contract awards in Chile without a rival from 2024-01-03 to 2026-05-08: 61 without a competition and 4 after a competition that drew a single bid. 15 buyers awarded it without a rival, the largest UNIVERSIDAD DE O'HIGGINS with 23.
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.
UNIVERSIDAD DE O'HIGGINS gave SIGMA-ALDRICH QUIMICA LIMITADA 40 awards: 22 without a competition, 1 after a competition with a single bid. First 2024-01-29, latest 2025-12-12.
UNIVERSIDAD DE LOS LAGOS gave SIGMA-ALDRICH QUIMICA LIMITADA 17 awards: 11 without a competition, 0 after a competition with a single bid. First 2024-01-30, latest 2026-05-08.
Universidad de Chile gave SIGMA-ALDRICH QUIMICA LIMITADA 199 awards: 6 without a competition, 0 after a competition with a single bid. First 2024-01-03, latest 2026-01-27.
SERVICIO AGRICOLA Y GANADERO gave SIGMA-ALDRICH QUIMICA LIMITADA 22 awards: 6 without a competition, 0 after a competition with a single bid. First 2024-03-08, latest 2026-01-15.
UNIVERSIDAD DE ANTOFAGASTA gave SIGMA-ALDRICH QUIMICA LIMITADA 29 awards: 5 without a competition, 0 after a competition with a single bid. First 2024-01-11, latest 2025-12-09.
SUBSECRETARIA DE SALUD PUBLICA gave SIGMA-ALDRICH QUIMICA LIMITADA 27 awards: 4 without a competition, 0 after a competition with a single bid. First 2024-03-11, latest 2026-04-07.
SERVICIO NACIONAL DE GEOLOGIA Y MINERIA gave SIGMA-ALDRICH QUIMICA LIMITADA 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2024-05-10, latest 2025-02-13.
UNIVERSIDAD DE TALCA gave SIGMA-ALDRICH QUIMICA LIMITADA 61 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-01-09, latest 2025-11-05.
COMISION CHILENA DE ENERGIA NUCLEAR gave SIGMA-ALDRICH QUIMICA LIMITADA 16 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-02-02, latest 2025-05-02.
UNIVERSIDAD DE LA FRONTERA gave SIGMA-ALDRICH QUIMICA LIMITADA 41 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-01-09, latest 2025-08-12.
UNIVERSIDAD DE SANTIAGO DE CHILE gave SIGMA-ALDRICH QUIMICA LIMITADA 56 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-01-09, latest 2026-01-07.
UNIVERSIDAD DE LA SERENA gave SIGMA-ALDRICH QUIMICA LIMITADA 9 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-05-14, latest 2024-10-16.
UNIVERSIDAD DE VALPARAISO gave SIGMA-ALDRICH QUIMICA LIMITADA 36 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-04-02, latest 2025-06-18.
UNIVERSIDAD ARTURO PRAT gave SIGMA-ALDRICH QUIMICA LIMITADA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-04-03, latest 2024-04-03.
UNIVERSIDAD DE PLAYA ANCHA DE CIENCIAS DE LA EDUCACION gave SIGMA-ALDRICH QUIMICA LIMITADA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-06-14, latest 2024-06-14.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-05-08 | UNIVERSIDAD DE LOS LAGOS CL-54771394 | No competition direct | Universidades Estatales - Bienes o servicios para investigación científica, innovación o transferencia tecnológica (Art. 38, N°3 de la Ley 21.094) |
| 2026-04-30 | UNIVERSIDAD DE LOS LAGOS CL-54736428 | No competition direct | Costo de evaluación desproporcionado, y por monto de contratación inferior a 100 UTM |
| 2025-12-22 | UNIVERSIDAD DE LOS LAGOS CL-54055495 | No competition direct | Bienes o Servicios para implementación por universidades estatales, en virtud del art. 38 de Ley 21.094 |
| 2025-12-12 | UNIVERSIDAD DE O'HIGGINS CL-53998740 | No competition direct | Bienes o Servicios para implementación por universidades estatales, en virtud del art. 38 de Ley 21.094 |
| 2025-12-10 | UNIVERSIDAD DE O'HIGGINS CL-53980965 | No competition direct | Bienes o Servicios para implementación por universidades estatales, en virtud del art. 38 de Ley 21.094 |
| 2025-12-09 | UNIVERSIDAD DE ANTOFAGASTA CL-53979809 | No competition direct | Costo de evaluación desproporcionado, y por monto de contratación inferior a 100 UTM |
Every uncontested award in Chile · All countries · SIGMA-ALDRICH QUIMICA LIMITADA in the register
Source: ChileCompra / Mercado Público open data (purchase orders and tenders). 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.