Sicame UK

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Electrical Distribution Solutions for Global Power Excellence

From the earliest Days of the Electricity Industry in 1837 under the Electrical pioneer William Thomas Henley, to a Modern Company at the forefront of the Design and Manufacture of Equipment for the worldwide transmission of electrical power. Sicame UK continues to Supply the apparatus to transmit power wherever it’s needed.

William Thomas Henley sparked a revolution in the engineering industry that ultimately propelled us to our present success. In 2010 WT Henley was acquired by Groupe Sicame, and the company was launched towards further achievements - now as part of the Sicame Group of Companies, with its own strong heritage of innovation and modernisation.

Sicame UK continues to thrive evolving into a global manufacturer of electrical distribution equipment.

With 100+ employees working on site we take pride in manufacturing an extensive range of high-quality products. Being a subsidiary of Sicame Group our global presence is marked by 50 strategically located companies, enabling us to deliver top-notch solutions to customers worldwide.


With the WT Henley brand having nearly 200 years’ experience, we continue this legacy now as part of the Sicame Group of companies.


Accredited to ISO 9001: 2015, the Company is fully approved with Supply Chain specialists Achilles, for UVDB in the UK and Supply Line in the Republic of Ireland. Additionally, we are a verified supplier with RISQS, for the supply of products to the Rail Industry.


We give great attention to designing and producing products and services that meet the requirements of international quality standards.


Efficient quality management, Safety of persons in the workplace, Reduction in the environmental impacts of our products..

Sicame UK are continually exploring innovative solutions to enhance the reliability and quality of electricity supplies worldwide.


Henley launches his own independent business in Whitechapel


A pioneer in the manufacture of telegraph cables


Old City of London HQ


The famous film director Alfred Hitchcock has a career with WT Henley


WT Henley manufactured tennis balls for Wimbledon and golf balls known as the ‘Why Not Range’

North Woolwich braiding shop


Henley factory


Much of the pipeline and associated joints were manufactured by WT Henley during WWII Operation Pluto

Bakelite Selection


Henley is acquired by AEI along with SIEMENS brothers and the Liverpool Electric cables company


SED was founded as SHEARMAGIC Hepworth Electrical  Developments

SED Holmfirth


WTH acquired by GEC


Hepworth acquired ERMA


Hepworth acquired by Groupe Sicame


WTH acquired by TT Electronics


Erith site


WTH acquired by Groupe Sicame


Sicame UK formed from the Sicame Group's UK Subsidiaries


Present day - Hoo, Rochester factory