Alcaldia del Ayuntamiento de Castrillón: contracts awarded without a rival: 2 uncontested awards; 25% of its awards; 2 suppliers; 2 single bid.
Assay record ASY-ES-1U8GSIO1VJ · Cite as: Assay Systems, “Alcaldia del Ayuntamiento de Castrillón: contracts awarded without a rival (Spain)”, https://assay-systems.com/register/es/uncontested/b/alcaldia-del-ayuntamiento-de-castrillon/
Alcaldia del Ayuntamiento de Castrillón made 2 of its 8 public contract awards without a rival from 2024-03-01 to 2025-09-08: 0 without a competition and 2 after a competition that drew a single bid, to 2 suppliers; the most to IBERDROLA CLIENTES SAU, 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.
Alcaldia del Ayuntamiento de Castrillón gave IBERDROLA CLIENTES SAU 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-03-01, latest 2024-03-01.
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.
| Date | Supplier | How | Stated reason |
|---|---|---|---|
| 2025-09-08 | Seresco, S.A 584029-2025 | Single bid open | — |
| 2024-03-01 | IBERDROLA CLIENTES SAU 128560-2024 | Single bid open | — |
Every uncontested award in Spain · All countries
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.