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Developing London

Supporting London | GEM have been helping make London a better place to live since 1981


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GEM Environmental

London based, medium sized business, providing Mechanical and Electrical services for over 20 years.


We provide variety of services within the building service industry, from one off installations and servicing, to capital investment schemes and planed preventative maintenance programs and emergency call out 24 hours a day 365 days of the year.


We specialise in:

Commercial and district heating and hot water systems

Domestic heating and statutory landlord testing

Boosted Water pump systems & associated tanks

L8 Risk Assessments & Water Hygiene

Electrical installations and NICEIC periodic testing

Building Management Systems

Plumbing and Gas connections

Fire Safety systems including emergency lighting, fire alarms, dry risers and sprinklers systems


Our dedicated team of engineers are managed and supported by our experienced office based staff, located in London N19.  We operate using the latest communication and management technologies and provide our services by applying methodologies that are appropriate and efficient. We pride ourselves on delivering a quality and continuous service to all of our clients.

GEM takes responsibility and pride in contributing to the supply of future labour. We provide opportunities to the local community by recruiting our apprentices across all Boroughs of London knowledge and as part of our commitment to our community, business continuity and future planning, we strongly advocate apprenticeships and training schemes. To achieve this we work closely with government approved schemes and training bodies, such that it both promotes the growth of our business and supports employee career aspirations.


Big Enough to Deliver on Quality

Small Enough to Care


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