INVERSIONES NANNINI BUIXADER, SOCIEDAD ANONIMA: public contracts won without a rival in Guatemala: 665 uncontested awards; 43% of its awards; 0 without a competition; 665 single bid.
Assay record ASY-GT-0179J9D0A3 · Cite as: Assay Systems, “INVERSIONES NANNINI BUIXADER, SOCIEDAD ANONIMA: public contracts won without a rival in Guatemala”, https://assay-systems.com/register/gt/uncontested/s/inversiones-nannini-buixader-sociedad-anonima/
INVERSIONES NANNINI BUIXADER, SOCIEDAD ANONIMA won 665 of its 1,530 public contract awards in Guatemala without a rival from 2020-01-17 to 2026-10-02: 0 without a competition and 665 after a competition that drew a single bid. 1 buyer awarded it without a rival, the largest INSTITUTO GUATEMALTECO DE SEGURIDAD SOCIAL -IGSS- with 665.
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.
INSTITUTO GUATEMALTECO DE SEGURIDAD SOCIAL -IGSS- gave INVERSIONES NANNINI BUIXADER, SOCIEDAD ANONIMA 1,522 awards: 0 without a competition, 665 after a competition with a single bid. First 2020-01-17, latest 2026-10-02.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-10-02 | INSTITUTO GUATEMALTECO DE SEGURIDAD SOCIAL -IGSS- ocds-xqjsxa-32132662 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
| 2026-09-24 | INSTITUTO GUATEMALTECO DE SEGURIDAD SOCIAL -IGSS- ocds-xqjsxa-31977898 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
| 2026-09-22 | INSTITUTO GUATEMALTECO DE SEGURIDAD SOCIAL -IGSS- ocds-xqjsxa-31980562 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
| 2026-09-18 | INSTITUTO GUATEMALTECO DE SEGURIDAD SOCIAL -IGSS- ocds-xqjsxa-31926983 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
| 2026-09-17 | INSTITUTO GUATEMALTECO DE SEGURIDAD SOCIAL -IGSS- ocds-xqjsxa-31734898 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
| 2026-09-17 | INSTITUTO GUATEMALTECO DE SEGURIDAD SOCIAL -IGSS- ocds-xqjsxa-31734790 | Single bid open | Compra Directa con Oferta Electrónica (Art. 43 LCE Inciso b) |
Every uncontested award in Guatemala · All countries · INVERSIONES NANNINI BUIXADER, SOCIEDAD ANONIMA in the register
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.