1. Buyer
1.1.
Buyer
Official name: Consejero Delegado de Ingeniería de Sistemas para la Defensa de España S.A., S.M.E. y M.P.
Legal type of the buyer: Body governed by public law, controlled by a central government authority
Activity of the contracting authority: Defence
2. Procedure
2.1.
Procedure
Title: Servicio de asesoramiento fiscal y tributario para Isdefe SA, SME, MP
Description: Modalidad de prestación por lotes: Lote 1: Servicio de Asesoramiento Fiscal y Tributario en el ámbito nacional La prestación se realizará bajo una modalidad de iguala, que comprende la atención continuada y recurrente de consultas, así como el asesoramiento ordinario en materia fiscal y tributaria dentro del alcance definido en el presente pliego y en el PPT. El servicio tendrá carácter global y no estará vinculado a un número determinado de actuaciones individuales, sin perjuicio de las obligaciones de calidad y plazos establecidas. Lote 2: Servicio de Asesoramiento Fiscal y Tributario en el ámbito internacional La prestación se realizará a demanda, en función de las necesidades concretas que puedan surgir durante la ejecución del contrato. Las consultas o encargos se formalizarán de manera puntual, previa definición de su alcance, y serán atendidos por el adjudicatario conforme a los requerimientos de ISDEFE.
Procedure identifier: f011934b-b4d3-49f5-a913-d4dc0788ccc0
Internal identifier: 2026-00929
Type of procedure: Open
The procedure is accelerated: no
2.1.1.
Purpose
Main nature of the contract: Services
Main classification (cpv): 79221000 Tax consultancy services
Additional classification (cpv): 79112000 Legal representation services, 79220000 Fiscal services, 79222000 Tax-return preparation services
2.1.2.
Place of performance
Country subdivision (NUTS): Madrid (ES300)
Country: Spain
2.1.3.
Value
Estimated value excluding VAT: 432 600,00 EUR
2.1.4.
General information
Legal basis:
Directive 2014/24/EU
2.1.5.
Terms of procurement
Terms of submission:
Maximum number of lots for which one tenderer can submit tenders: 2
Terms of contract:
Maximum number of lots for which contracts can be awarded to one tenderer: 2
2.1.6.
Grounds for exclusion
Sources of grounds for exclusion: Notice
Breaching of obligations set under purely national exclusion grounds: Motivos de exclusion puramente nacionales.
5. Lot
5.1.
Lot: LOT-0001
Title: Servicio de Asesoramiento Fiscal y Tributario en el ámbito Nacional.
Description: Servicio de Asesoramiento Fiscal y Tributario en el ámbito Nacional.
Internal identifier: 1
5.1.1.
Purpose
Main nature of the contract: Services
Main classification (cpv): 79221000 Tax consultancy services
Additional classification (cpv): 79112000 Legal representation services, 79220000 Fiscal services, 79222000 Tax-return preparation services
Options:
Description of the options: Conforme especificaciones PCAP.
5.1.2.
Place of performance
Country subdivision (NUTS): Madrid (ES300)
Country: Spain
5.1.3.
Estimated duration
Duration: 36 Months
5.1.4.
Renewal
Maximum renewals: 2
Other information about renewals: Conforme especificaciones PCAP.
5.1.5.
Value
Estimated value excluding VAT: 65 000,00 EUR
5.1.6.
General information
Reserved participation:
Participation is not reserved.
Procurement Project not financed with EU Funds.
The procurement is covered by the Government Procurement Agreement (GPA): no
5.1.7.
Strategic procurement
Aim of strategic procurement: No strategic procurement
5.1.9.
Selection criteria
Sources of selection criteria: Notice
Criterion: Other economic or financial requirements
Description of selection criterion: Otros
5.1.10.
Award criteria
Criterion:
Type: Price
Description: Criterio economicos.
Category of award weight criterion: Weight (points, exact)
Award criterion number: 49
Criterion:
Type: Quality
Description: Criterios automaticos distintos del precio.
Category of award weight criterion: Weight (points, exact)
Award criterion number: 51
5.1.11.
Procurement documents
5.1.12.
Terms of procurement
Terms of submission:
Electronic submission: Required
Languages in which tenders or requests to participate may be submitted: Spanish
Electronic catalogue: Not allowed
Deadline for receipt of tenders: 01/09/2026 14:00:00 (UTC+02:00) Eastern European Time, Central European Summer Time
Duration during which the tender must remain valid: 2 Months
Information about public opening:
Opening date: 01/09/2026 14:01:00 (UTC+02:00) Eastern European Time, Central European Summer Time
Opening date: 07/09/2026 09:00:00 (UTC+02:00) Eastern European Time, Central European Summer Time
Terms of contract:
The execution of the contract must be performed within the framework of sheltered employment programmes: No
Electronic invoicing: Not allowed
Electronic ordering will be used: no
Electronic payment will be used: yes
5.1.15.
Techniques
Framework agreement:
No framework agreement
Information about the dynamic purchasing system:
No dynamic purchase system
5.1.16.
Further information, mediation and review
Review organisation: Consejero Delegado de Ingeniería de Sistemas para la Defensa de España S.A., S.M.E. y M.P. - Tribunal Administrativo Central de Recursos Contractuales
Information about review deadlines: Los plazos son los establecidos por el artículo 50 de la LCSP.
Organisation providing more information on the review procedures: Consejero Delegado de Ingeniería de Sistemas para la Defensa de España S.A., S.M.E. y M.P. - Tribunal Administrativo Central de Recursos Contractuales
5.1.
Lot: LOT-0002
Title: Servicio de Asesoramiento Fiscal y Tributario en el Ámbito Internacional
Description: Servicio de Asesoramiento Fiscal y Tributario en el Ámbito Internacional.
Internal identifier: 2
5.1.1.
Purpose
Main nature of the contract: Services
Main classification (cpv): 79221000 Tax consultancy services
Additional classification (cpv): 79112000 Legal representation services, 79220000 Fiscal services, 79222000 Tax-return preparation services
Options:
Description of the options: Conforme especificaciones PCAP.
5.1.2.
Place of performance
Country subdivision (NUTS): Madrid (ES300)
Country: Spain
5.1.3.
Estimated duration
Duration: 36 Months
5.1.4.
Renewal
Maximum renewals: 2
Other information about renewals: Conforme especificaciones PCAP.
5.1.5.
Value
Estimated value excluding VAT: 79 200,00 EUR
5.1.6.
General information
Reserved participation:
Participation is not reserved.
Procurement Project not financed with EU Funds.
The procurement is covered by the Government Procurement Agreement (GPA): no
5.1.7.
Strategic procurement
Aim of strategic procurement: No strategic procurement
5.1.9.
Selection criteria
Sources of selection criteria: Notice
Criterion: Other economic or financial requirements
Description of selection criterion: Otros
5.1.10.
Award criteria
Criterion:
Type: Price
Description: Criterio economicos.
Category of award weight criterion: Weight (points, exact)
Award criterion number: 49
Criterion:
Type: Quality
Description: Criterios automaticos distintos del precio.
Category of award weight criterion: Weight (points, exact)
Award criterion number: 51
5.1.11.
Procurement documents
5.1.12.
Terms of procurement
Terms of submission:
Electronic submission: Required
Languages in which tenders or requests to participate may be submitted: Spanish
Electronic catalogue: Not allowed
Deadline for receipt of tenders: 01/09/2026 14:00:00 (UTC+02:00) Eastern European Time, Central European Summer Time
Duration during which the tender must remain valid: 2 Months
Information about public opening:
Opening date: 01/09/2026 14:01:00 (UTC+02:00) Eastern European Time, Central European Summer Time
Opening date: 07/09/2026 09:00:00 (UTC+02:00) Eastern European Time, Central European Summer Time
Terms of contract:
The execution of the contract must be performed within the framework of sheltered employment programmes: No
Electronic invoicing: Not allowed
Electronic ordering will be used: no
Electronic payment will be used: yes
5.1.15.
Techniques
Framework agreement:
No framework agreement
Information about the dynamic purchasing system:
No dynamic purchase system
5.1.16.
Further information, mediation and review
Review organisation: Consejero Delegado de Ingeniería de Sistemas para la Defensa de España S.A., S.M.E. y M.P. - Tribunal Administrativo Central de Recursos Contractuales
Information about review deadlines: Los plazos son los establecidos por el artículo 50 de la LCSP.
Organisation providing more information on the review procedures: Consejero Delegado de Ingeniería de Sistemas para la Defensa de España S.A., S.M.E. y M.P. - Tribunal Administrativo Central de Recursos Contractuales
8. Organisations
8.1.
ORG-0001
Official name: Consejero Delegado de Ingeniería de Sistemas para la Defensa de España S.A., S.M.E. y M.P.
Registration number: 50228210037641
Registration number: A78085719
Town: Madrid
Postcode: 28040
Country subdivision (NUTS): Madrid (ES300)
Country: Spain
Contact point: Consejero Delegado de Ingeniería de Sistemas para la Defensa de España S.A., S.M.E. y M.P.
Telephone: +34 914115011
Fax: +34 914114703
Other contact points:
Official name: Tribunal Administrativo Central de Recursos Contractuales
Town: Madrid
Postcode: 28020
Country subdivision (NUTS): Madrid (ES300)
Country: Spain
Other contact points:
Official name: Tribunal Administrativo Central de Recursos Contractuales
Town: Madrid
Postcode: 28020
Country subdivision (NUTS): Madrid (ES300)
Country: Spain
Roles of this organisation:
Buyer
Review organisation
Organisation providing more information on the review procedures
Notice identifier/version: 30c16206-808f-46f4-aeb2-7cd85a8c7c38 - 01
Form type: Competition
Notice type: Contract or concession notice – standard regime
Notice subtype: 16
Notice dispatch date: 09/07/2026 13:49:58 (UTC+02:00) Eastern European Time, Central European Summer Time
Languages in which this notice is officially available: Spanish
Notice publication number: 477462-2026
OJ S issue number: 131/2026
Publication date: 10/07/2026