About Us

With over 55-years track record in the electrical industry, GreenBrook has always moved ahead of the times. Since its beginnings as a manufacturer of electromechanical relays, the company has transformed itself through product development, innovation and strategic acquisition in order to meet the present and future needs of its customers.

Now boasting an extensive range of innovative, solution-driven products and electrical accessories, Greenbrook is able to offer a comprehensive service to Electrical Distributors and Contractors throughout the UK.

Our philosophy is all about providing a first class service to all our customers, with a friendly no nonsense approach. The Greenbrook team is always willing to try to go the extra mile to do everything possible to satisfy the needs of our customers. 

GreenBrook Time Line

Besson & Robinson founded, to manufacture electro-mechanical relays who quickly became known as B&R.


Moved to purpose built factory in Harlow. B&R flourished, becoming a major supplier of co-axial relays to the aircraft industry, with products used in Concorde, Hawker Hunter and the Vickers Viscount.


Moved into the manufacture of control gear and contactors, workforce expanded to over 300.


Developed the first plug-in ELCB for Watney Mann brewers.


Developed the world’s first RCD plug, marketed under the PowerBreaker name.


Featured on BBC Tomorrow’s World.


Acquired Norslo with their extensive range of conduit fittings.


Changed name to Greenbrook Electrical to reflect the increasingly wide product range.


Acquired the lighting and ventilation business of RDL. 

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