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Proper maintenance and tune-up of your boat are essential to ensure its performance and safety. The best way to achieve this is by trusting an official technical service, whether your vessel is new or pre-owned. For new boats, official maintenance is crucial to keep the manufacturer’s warranties valid.
When you sail, you need to be certain that your boat functions correctly: a breakdown at sea is far more complicated than on land, making regular maintenance essential for your safety and that of your passengers.
We are the official technical service for:
Shipyards: Beneteau, Astondoa, CNB Yachts, Wellcraft, Sasga Yachts, and Excess Catamarans.
Engines: Suzuki Marine.
Authorized agents: Volvo and Yanmar.
With over 30 years of experience in the nautical sector, we combine specialization, continuous training, and professionalism to provide a high-quality, comprehensive service.
We adapt to the specific needs of your boat:
Individualized Maintenance Packages according to model and engine type.
Custom quotes tailored to the owner’s requirements:
Full maintenance
Engine
Rig inspection
Repairs
Upholstery
Electrical installations
Electronics replacement
Antifouling
Fiberglass repair
Our main area of operation covers Barcelona, Tarragona, and Castellón, although we can travel to other locations if necessary.
Our commitment to quality and customer service has been internationally recognized:
Beneteau awarded us the Best Customer Service 2019 among its dealership network.
Excess Catamarans granted us the Best Worldwide Customer Service 2025.
These awards guarantee that your boat is always in good hands, with professional and reliable service.
What our
clients think
Servicio 5 estrellas
Atención del personal de primer nivel, desde el primer contacto por email. Personal muy profesional, expertos, atento y trato amigable. Embarcación entregada el día establecido, completa hasta el último detalle y operación de entrega muy profesional y atenta. Servicio 5 estrellas en todo los aspectos.
Maurizio U.
Una experiencia de compra impecable y profesional
Conocer Hermanos Guash ha sido toda una experiencia. Una empresa seria y profesional que te facilita la difícil singladura de adquirir un barco nuevo. Sus consejos y asistencia durante todo el proceso nos han facilitado mucho la toma de decisiones. De otra parte el servicio post-venta está resultando sobresaliente.
José Maria d.C
Confianza total
Tengo total confianza en el servicio y el producto que ofrecen. Desde hace años la flota de chárter de la empresa que dirijo se basa exclusivamente en barcos Beneteau comprados en Hermanos Guasch. Además el acompañamiento y atención recibido en la gestión de los seguros es un plus que valoramos muchísimo.
Toni S.
Asesoramiento clave para poner a punto mi Oceanis
He comprado un Beneteau Oceanis de segunda mano a un particular con muchas deficiencias. Sólo tengo palabras de agradecimiento a Angel Bosch por su atención elaborando presupuestos de recambios. Me ha atendido 10/10 por teléfono y por whatsapp dándome su consejo en algunas reparaciones de coste elevado.
Jordi G.
At Hermanos Guasch, we provide a comprehensive nautical service designed to help you enjoy your boat with complete confidence. We support you throughout the entire process: personalised nautical advice, selection of the ideal boat, purchase, financing, registration, storage, and boat maintenance. Our goal is to ensure every moment at sea is safe, comfortable, and tailored to your style of boating.