SION ARQUITECTOS SAS: public contracts won without a rival in Colombia: 3 uncontested awards; 100% of its awards; 3 without a competition; 0 single bid.
Assay record ASY-CO-0CI61FT0ND · Cite as: Assay Systems, “SION ARQUITECTOS SAS: public contracts won without a rival in Colombia”, https://assay-systems.com/register/co/uncontested/s/sion-arquitectos-sas/
SION ARQUITECTOS SAS won 3 of its 3 public contract awards in Colombia without a rival from 2023-06-15 to 2025-09-02: 3 without a competition and 0 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest EMPRESA IBAGUEREÑA DE ACUEDUCTO Y ALCANTARILLADO SA ESP OFICIAL IBAL SA ESP OFICIAL 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.
EMPRESA IBAGUEREÑA DE ACUEDUCTO Y ALCANTARILLADO SA ESP OFICIAL IBAL SA ESP OFICIAL gave SION ARQUITECTOS SAS 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2025-05-29, latest 2025-09-02.
CONSERVATORIO DEL TOLIMA gave SION ARQUITECTOS SAS 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-06-15, latest 2023-06-15.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2025-09-02 | EMPRESA IBAGUEREÑA DE ACUEDUCTO Y ALCANTARILLADO SA ESP OFICIAL IBAL SA ESP OFICIAL CO1.PCCNTR.8254776 | No competition Contratación régimen especial | Regla aplicable |
| 2025-05-29 | EMPRESA IBAGUEREÑA DE ACUEDUCTO Y ALCANTARILLADO SA ESP OFICIAL IBAL SA ESP OFICIAL CO1.PCCNTR.7913116 | No competition Contratación régimen especial | Regla aplicable |
| 2023-06-15 | CONSERVATORIO DEL TOLIMA CO1.PCCNTR.5079029 | No competition Contratación régimen especial | Regla aplicable |
Every uncontested award in Colombia · All countries · SION ARQUITECTOS SAS in the register
Source: SECOP II, Colombia Compra Eficiente open data (datos.gov.co). 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.