Established in the 90's, Stream was built on a foundation of successful design and engineering HVAC and associated disciplines including acoustics, electrical and electronic engineering, physical and chemical, and human physiology. Operating from London, the south coast, and East Anglia, with excellent access to road, rail and air communications we are ready to take on your engineering challenges. Stream Group is also active in marine HVAC, control systems and information technology.
Ethos:
“Integrity in every area of business”
“Optimised qualities and value through design”
“Trust and empowerment of all business partners and associates”
We specialise in the integration of different disciplines to resolve human environment challenges. We create environments which are conducive to optimum cognitive function, and ultimately survival, and develop integrated and science-based solutions for extremely challenging operational requirements. Stream Defence Systems – because it is mission critical to get the best from people.
EnforceTac 2026, MSPO 2026, DVD 2026, DSEI 2027
Supporting our friends and partners in Europe. Upholding freedom everywhere.





Supporting our friends and partners in Europe. Upholding freedom everywhere.





Supporting our friends and partners in Europe. Upholding freedom everywhere.





Supporting our UK and NATO partners and allies.





One page product PDF's to go
~ Soldier cooling and heating in extreme temperatures.
~ Medical supplies temperature controlled transport
~ Surgical cooling and hypothermal recovery
~ Tactical Comms
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