About us

With distinguished quality products, we commit our enthusiasm to enhance the manufacturing process and products quality.

Who we are?

Grelco is the flagship brand of the Spanish company Gubar, S.A. Has since 1979 providing solutions to companies that need electronic power supplies with high efficiency and competitive price according to their quality and responsibility for the environment. Gubar, S.A. designs and produces custom sources and at the same time has a variety of standard series being this switching or linear technology. Her designs play all kinds of sources; inverters, converters, gearboxes and boosters, battery chargers, UPS,... Thanks to their efforts and vision are sources Grelco not only in the Spanish market but des-90s worldwide. Grelco is efficiency, reliability and advanced technology. With the support of our customer service and technical assistance we guide and help with any questions and provide after-sales maintenance of the equipments.

Meet our team

Our vision

To provide our products to all sectors that need power sources for high performance and good reliability - value to European, African and Middle Eastern market.

Our mission

Satisfy the customer with power supplies of high quality and performance and optimum efficiency through personalized service, flexible and agile

Our vision

To provide our products to all sectors that need power sources for high performance and good reliability - value to European, African and Middle Eastern market.

Our mission

Satisfy the customer with power supplies of high quality and performance and optimum efficiency through personalized service, flexible and agile

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