De Castañeda Calvo Alejandro
Director · Spanish companies register · 3 companies
- Companies :
- 3 (2 current, 1 former)
- Linked companies :
- TAMBRE FERTILITY CLINICS SL, MAYRIT CONSULTORIA Y CONSTRUCCION SL, DIGITAL GROUP BRANCH SL
Summary
De Castañeda Calvo Alejandro appears in the Spanish commercial register as a director of 3 companies, 2 current and 1 former. Currently Apoderado of TAMBRE FERTILITY CLINICS SL (Madrid) since 29 December 2025, as well as in 1 other company. TAMBRE FERTILITY CLINICS SL is based in Madrid and operates in Otras actividades sanitarias (CNAE 8690) — Sociedad Limitada (SL), an active company, incorporated on 22 November 2017, share capital of €2,563,000. The earliest registered mandate dates from 21 September 2022, at MAYRIT CONSULTORIA Y CONSTRUCCION SL; the most recent began on 29 December 2025. The offices held are Apoderado and Administrador Solidario. The companies are registered in Madrid. The boards of these companies also include De Castañeda Calvo Augusto, Alvarez Ramallo Jacobo, Jimenez Roldan Enrique and 1 other.
Offices held
Commercial registries
Madrid
Companies · current (2)
Apoderado since 29/12/2025
Active · Otras actividades sanitarias (CNAE 8690) · Madrid · Sociedad Limitada (SL) · incorporated 22/11/2017 · capital €2,563,000 · 20 BORME filings
Corporate purpose: 1. La mediación e intermediación: en el estudio y tratamiento de ginecología, reproducción humana, biología molecular, genética, embriología, endocrinología y urología, y realización de análisis clínicos, de biología molecular, genética y servicios relacionados con la reproducción humana;
B87922241 · Madrid
Administrador Solidario since 21/09/2022
Active · Actividades de contabilidad, teneduría de libros, auditoría y asesoría fiscal (CNAE 6920) · Madrid · Sociedad Limitada (SL) · 2 BORME filings
B83927301 · Madrid
Companies · former (1)
Former Apoderado · from 27/03/2023 to 04/10/2024
Active · Agencias de publicidad (CNAE 7311) · Madrid · Sociedad Limitada (SL) · capital €3,386 · 32 BORME filings
B85533321 · Madrid
Timeline (4)
- 29/12/2025Appointed Apoderado of TAMBRE FERTILITY CLINICS SL · Madrid
- 04/10/2024Ceased as Apoderado of DIGITAL GROUP BRANCH SL · Madrid
- 27/03/2023Appointed Apoderado of DIGITAL GROUP BRANCH SL · Madrid
- 21/09/2022Appointed Administrador Solidario of MAYRIT CONSULTORIA Y CONSTRUCCION SL · Madrid
Co-directors (4)
- De Castañeda Calvo Augusto · Administrador Solidario
- Alvarez Ramallo Jacobo · Consejero
- Jimenez Roldan Enrique · Administrador Único
- Stemar Capital Partners Limited · Administrador Único
Network map
Identity matched by name · homonyms possible.