Source: https://tendernation.io/suppliers/marsein

Supplier profile

# Marsein, S.a.U

Public sector contracts won, from published award notices

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Contracts won

5

since 1 Dec 2025

Total awarded

£1,683,521

where values were published

Buyers

3

public bodies

Latest win

15 Jun 2026

##  Recent contract awards

- [Servicio de Mantenimiento de Cubiertas Trasladables Celdas RBBA C.A. El Cabril](https://tendernation.io/opportunities/01a17a92-f7b0-70c4-9eb7-1498140b03ec/servicio-de-mantenimiento-de-cubiertas-trasladables-celdas-rbba-ca-el-cabril) [Empresa Nacional de Residuos Radiactivos, S.A., S.M.E. (ENRESA)](https://tendernation.io/buyers/empresa-nacional-de-residuos-radiactivos-sa-sme-enresa)

    £86,599

    15 Jun 2026
- [Obras de construcción de un almacén de resíduos radiactivos de muy baja actividad (RBBA) en la Central Nuclear Santa María De Garoña](https://tendernation.io/opportunities/01a17a71-8b97-7064-91f9-c7be8c5d76da/obras-de-construccion-de-un-almacen-de-residuos-radiactivos-de-muy-baja-activida) [Empresa Nacional de Residuos Radiactivos, S.A., S.M.E. (ENRESA)](https://tendernation.io/buyers/empresa-nacional-de-residuos-radiactivos-sa-sme-enresa)

    £1,278,069

    11 Jun 2026
- [Compra de 2 equipos modelo SCINTO 1x1,5"](https://tendernation.io/opportunities/01a17aad-e29b-7365-8884-022ee3cb5c8c/compra-de-2-equipos-modelo-scinto-1x15) [ENUSA Industrias Avanzadas S.A., S.M.E.](https://tendernation.io/buyers/enusa-industrias-avanzadas-sa-sme)

    £13,303

    3 Mar 2026
- [Servicio para mantenimiento del sistema de caracterización radiológica de contenedores Nuvia Supermum](https://tendernation.io/opportunities/01a17a6d-e982-72e9-a846-36c2c25f47b3/servicio-para-mantenimiento-del-sistema-de-caracterizacion-radiologica-de-conten) [Secretaría General del Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)](https://tendernation.io/buyers/secretaria-general-del-centro-de-investigaciones-energeticas-medioambientales-y-tecnologicas-ciemat)

    £48,450

    16 Dec 2025
- [Construccion de la Losa de Cierre de Celda de Almacenamiento Nº 21 de RBMA del C.A. El Cabril](https://tendernation.io/opportunities/01a17b17-c31a-7340-a5f5-18d12e3c47f2/construccion-de-la-losa-de-cierre-de-celda-de-almacenamiento-no-21-de-rbma-del-c) [Empresa Nacional de Residuos Radiactivos, S.A., S.M.E. (ENRESA)](https://tendernation.io/buyers/empresa-nacional-de-residuos-radiactivos-sa-sme-enresa)

    £257,100

    1 Dec 2025

## Who they win from

- [Empresa Nacional de Residuos Radiactivos, S.A., S.M.E. (ENRESA) 3 wins](https://tendernation.io/buyers/empresa-nacional-de-residuos-radiactivos-sa-sme-enresa)
- [Secretaría General del Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT) 1 win](https://tendernation.io/buyers/secretaria-general-del-centro-de-investigaciones-energeticas-medioambientales-y-tecnologicas-ciemat)
- [ENUSA Industrias Avanzadas S.A., S.M.E. 1 win](https://tendernation.io/buyers/enusa-industrias-avanzadas-sa-sme)

## What they win

- [Repair & maintenance services](https://tendernation.io/sectors/repair-maintenance) 2
- [Construction work](https://tendernation.io/sectors/construction-work) 2
- [Laboratory & precision equipment](https://tendernation.io/sectors/laboratory-precision-equipment) 1

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