CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A: public contracts won without a rival in Spain

Updated 17 October 2026 · 2023-11-20 to 2026-07-14 · all of Spain · record in the register

CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A: public contracts won without a rival in Spain: 19 uncontested awards; 54% of its awards; 6 without a competition; 13 single bid.

Assay record ASY-ES-19JPN0N0HI · Cite as: Assay Systems, “CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A: public contracts won without a rival in Spain”, https://assay-systems.com/register/es/uncontested/s/construcciones-y-auxiliar-de-ferrocarriles-s-a/

1
19uncontested awards
54%of its awards
6without a competition
13single bid

CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A won 19 of its 35 public contract awards in Spain without a rival from 2023-11-20 to 2026-07-14: 6 without a competition and 13 after a competition that drew a single bid. 10 buyers awarded it without a rival, the largest Eusko Trenbideak Ferrocarriles Vascos, S.A. - EuskoTrenbideak FFCC Vascos, S.A.U with 5.

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.

Buyers that awarded it without a rival

Eusko Trenbideak Ferrocarriles Vascos, S.A. - EuskoTrenbideak FFCC Vascos, S.A.U5uncontested8awards62%of these awards

Eusko Trenbideak Ferrocarriles Vascos, S.A. - EuskoTrenbideak FFCC Vascos, S.A.U gave CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A 8 awards: 2 without a competition, 3 after a competition with a single bid. First 2023-11-20, latest 2026-04-02.

Dirección General de Renfe Ingeniería y Mantenimiento Sociedad Mercantil Estatal, S.A4uncontested7awards57%of these awards

Dirección General de Renfe Ingeniería y Mantenimiento Sociedad Mercantil Estatal, S.A gave CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A 7 awards: 0 without a competition, 4 after a competition with a single bid. First 2024-06-06, latest 2026-04-27.

Comisión Ejecutiva de Transportes Urbanos de Sevilla, SAM2uncontested2awards100%of these awards

Comisión Ejecutiva de Transportes Urbanos de Sevilla, SAM gave CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A 2 awards: 1 without a competition, 1 after a competition with a single bid. First 2025-03-18, latest 2026-02-11.

Ferrocarrils de la Generalitat de Catalunya2uncontested4awards50%of these awards

Ferrocarrils de la Generalitat de Catalunya gave CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A 4 awards: 1 without a competition, 1 after a competition with a single bid. First 2024-05-10, latest 2026-07-14.

METRO DE MADRID, SOCIEDAD ANÓNIMA1uncontested3awards33%of these awards

METRO DE MADRID, SOCIEDAD ANÓNIMA gave CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A 3 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-02-06, latest 2024-12-04.

Agencia de Obra Pública de la Junta de Andalucía1uncontested2awards50%of these awards

Agencia de Obra Pública de la Junta de Andalucía gave CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2025-08-29, latest 2026-06-01.

Administrador de Infraestructuras Ferroviarias1uncontested1awards100%of these awards

Administrador de Infraestructuras Ferroviarias gave CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-02-17, latest 2025-02-17.

Dirección General de Renfe Viajeros Sociedad Mercantil Estatal, S.A1uncontested1awards100%of these awards

Dirección General de Renfe Viajeros Sociedad Mercantil Estatal, S.A gave CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-06-08, latest 2026-06-08.

Metro de Madrid, S.A1uncontested4awards25%of these awards

Metro de Madrid, S.A gave CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A 4 awards: 0 without a competition, 1 after a competition with a single bid. First 2025-01-30, latest 2026-04-30.

Serveis Ferroviaris de Mallorca (SFM)1uncontested1awards100%of these awards

Serveis Ferroviaris de Mallorca (SFM) gave CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-09-18, latest 2024-09-18.

Latest awards without a rival

DateBuyerHowStated reason
2026-06-08Dirección General de Renfe Viajeros Sociedad Mercantil Estatal, S.A
390190-2026
No competition
neg-wo-call
technical
2026-06-01Agencia de Obra Pública de la Junta de Andalucía
371973-2026
Single bid
neg-w-call
—
2026-04-27Dirección General de Renfe Ingeniería y Mantenimiento Sociedad Mercantil Estatal, S.A
285388-2026
Single bid
open
—
2026-04-02Eusko Trenbideak Ferrocarriles Vascos, S.A. - EuskoTrenbideak FFCC Vascos, S.A.U
227863-2026
No competition
neg-wo-call
technical
2026-03-11Eusko Trenbideak Ferrocarriles Vascos, S.A. - EuskoTrenbideak FFCC Vascos, S.A.U
168970-2026
Single bid
open
—
2026-02-11Comisión Ejecutiva de Transportes Urbanos de Sevilla, SAM
99831-2026
No competition
neg-wo-call
technical

Every uncontested award in Spain · All countries · CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, 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.