SERESCO, S.A: public contracts won without a rival in Spain: 5 uncontested awards; 31% of its awards; 0 without a competition; 5 single bid.
Assay record ASY-ES-0JA2EHH0KX · Cite as: Assay Systems, “SERESCO, S.A: public contracts won without a rival in Spain”, https://assay-systems.com/register/es/uncontested/s/seresco-s-a/
SERESCO, S.A won 5 of its 16 public contract awards in Spain without a rival from 2024-01-18 to 2026-02-19: 0 without a competition and 5 after a competition that drew a single bid. 5 buyers awarded it without a rival, the largest INSTITUTO DE ESTADÍSTICA Y CARTOGRAFÍA DE ANDALUCÍA - IECA with 1.
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 DE ESTADÍSTICA Y CARTOGRAFÍA DE ANDALUCÍA - IECA gave SERESCO, S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-02-19, latest 2026-02-19.
Dirección de Gestión Económica de la Jefatura de Apoyo Logístico de la Armada gave SERESCO, S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-01-18, latest 2024-01-18.
Departamento de Agricultura, Ganadería y Alimentación del Gobierno de Aragón gave SERESCO, S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-10-31, latest 2024-10-31.
Alcaldia del Ayuntamiento de Castrillón gave SERESCO, S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-09-08, latest 2025-09-08.
Dirección General de Racionalización y Centralización de la Contratación-Junta de Contratación Centralizada gave SERESCO, S.A 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2025-09-18, latest 2026-01-13.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-02-19 | INSTITUTO DE ESTADÍSTICA Y CARTOGRAFÍA DE ANDALUCÍA - IECA 118558-2026 | Single bid open | — |
| 2025-09-18 | Dirección General de Racionalización y Centralización de la Contratación-Junta de Contratación Centralizada 609599-2025 | Single bid restricted | — |
| 2025-09-08 | Alcaldia del Ayuntamiento de Castrillón 584029-2025 | Single bid open | — |
| 2024-10-31 | Departamento de Agricultura, Ganadería y Alimentación del Gobierno de Aragón 663513-2024 | Single bid open | — |
| 2024-01-18 | Dirección de Gestión Económica de la Jefatura de Apoyo Logístico de la Armada 34965-2024 | Single bid open | — |
Every uncontested award in Spain · All countries · SERESCO, S.A in the register
Source: Tenders Electronic Daily (TED), Publications Office of the European Union, contract award notices. 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.