Our Services From Conception to Completion and Beyond


Planning and design. As a leading provider of HVAC services to the commercial, catering and high end residential sectors, our teams of project managers and design engineers have gained a wealth of experience in the provision of cost effective, innovative engineered solutions.

As a leading provider of services to the restaurant and catering industry our experience in planning, odour and noise control and sympathetic interior design, working closely with our clients’ architects and designers from conception to completion of the project enable us to provide an unrivalled service.


Our low fee, no fee consultancy service provides assistance with the process of approvals and planning which, during this period, the experience of our in-house teams produce a working HVAC scheme for tender of a flat fee of 5% of the anticipated HVAC, waived if Leech are successful in tendering for the works. Please contact us for full details.


We directly employ specialist teams of installation and commissioning engineers to provide a fully comprehensive service covering all aspects of our installations, air conditioning, ductwork, controls and associated wiring.

Safety is a major pre-occupation for us, and all our engineers are fully qualified in their respective specialities. Please see our health and safety manual to which each and every employee is inducted and refreshed on a regular basis.

And Beyond

Upon completion, our dedicated service department and team of highly skilled mobile engineers will undertake a full PPM schedule, initially free of charge (conditions apply) for the first year, and beyond for all electrical and HVAC services, with a 24/7 helpline.


About - 50 Years of contracting

Leech Mechanical Services was established in May 2005 to specialize in the design and installation of HVAC systems in the commercial retail and leisure industries.

Positive Electric Company originally established in the early 1960’s, gaining it’s NICEIC registration in  March 1965, carrying out electrical installation works, lighting and planned maintenance primarily in the licenced and betting industries. Positive was registered as a limited company in December 2002.

Leech Group Services Ltd is the ultimate holding company of Leech Mechanical Services Ltd and Positive Electric Company Ltd.

We strive to provide the best solutions to the most demanding of projects based on strong ongoing relationships with our clients and suppliers providing a full range of services for design and planning to implementation and maintenance.                                     







LEECH group services
01621 742424



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