The Case Studies below show some examples of clients we have worked with in the past as well as the systems and services we continue to provide.

Greenworks Controlled Environments cover a broad spectrum of industry sectors including Healthcare, Pharmaceutical, Research and Technology, Restaurants, Retail and Process Cooling. Our specialist design consultants will recommend the right products for your business needs which can then be fitted, serviced and maintained by our certified engineering teams.

More information about our Consultancy Service can be found HERE

Our team of experts will be happy to answer any questions you might have,  do call them on 01245 324 188 to discuss how we can help you create the perfect solution for your controlled environment requirements.



We have completed many projects for both the NHS and private hospitals. Installation projects can be straightforward but are often large and complex. They can range from a simple £5k air conditioning system to a £350k controlled environment for MRI and CT Suites or Cardiac Catheter Laboratories .

In recent years we have completed major projects for hospitals including Addenbrookes, Guys, William Harvey, Churchill and Southend.

For over 10 years we have delivered all Planned Preventative Maintenance and Repairs for listed assets at Addenbrookes Hospital, Cambridge (well known as the largest hospital in Europe).

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Cenobiologics logo-page-001

Working with pharmaceutical companies is an important and growing part of our business. We have completed many clean rooms and cold rooms for some of the biggest names in this sector.

Cenobiologics needed various Clean Rooms to enable them to continue their valuable work in tissue engineering.

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Research and Technologysatra

This is an area with specialist requirements that we have been supporting for many years. We have successfully designed and installed a variety of UKAS accredited facilities for the world's leading research and technology centre of its kind that employs scientific, technical and support staff in the UK, USA and China. We have also undertaken projects for companies in motorsport.

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Local Authoritiesessex police

We regularly carry out installation and maintenance work for schools, libraries and local councils. The Essex Police have been a long standing customer for many years, requiring full police clearance of all our qualified engineers.


We are building a strong presence throughout London with a focus on out of hours planned preventative maintenance and fast response engineers. This is a special type of engineer who is able to get to and resolve most breakdowns and faults quicker than our competitors.

Itsu is a unique and rapidly growing Japanese restaurant chain founded by Julian Metcalfe (founder of Pret a Manger). Over the last 7 years we have been working hard to support Itsu's tremendous success with the installation and maintenance of the controlled environments in almost all of the 40+ stores. We are proud to be part of their success story.



Specsavers has been another huge success story over the last ten years and we are proud to have supported them throughout the South East with their store opening and maintenance programme.

Process Coolinglogo-trumpf

We are specialists in the supply, maintenance and repair of chillers used to support all types of processes We provide national emergency repair service for the world leader in sheet metal fabrication and industrial lasers, with all parts flown in directly from the manufacturer in Germany.


We work closely with several major companies in the specification and provision of specialist controlled environments. From a leader global manufacturer of high performance polymers to the local dry cleaning factory. Some of the more interesting projects we have worked on are 'restricted', and we are unaware of the final contents of clean rooms or cold stores.