We offer high quality Service's in association with air ventilation and extract system's to a range of customers across the UK, providing 24 hours service 7 days a week. 

Our technicians are fully trained to the relevant guidelines and to the standards of BESA

Works are completed using the latest technology, such as rotary brush machines together with air movers and  inspection cameras to ensure ductwork is cleaned to a high standard and are proud accredited members of..


Ventilation Hygiene Specialist

Is your building & workplace legally compliant? Contact us and find out

Services we provide 


Extract System Cleaning

We carry out complete deep clean of your extract system to the TR19 requirements supplying a full written report including micron readings, photographic evidence before and after and a full certificate 


Fire Damper


Our experts will manually release the fire damper and visually check the integrity of the mechanism. All fire dampers should close fully on release, it is the integrity of the closure that prevents the spread of smoke and fire in an emergency situation


Air Ventilation Cleaning

We remove all types of contamination, that can build up causing potential harm-full bacteria which can spread throughout the system, to ensure your ventilation is thoroughly cleaned to the TR19 standard to prevent the spread of illness


Kitchen Deep Cleaning


Laundry Duct  Cleaning


Microbiology Duct Testing




Video Camera Lens

Ductwork Camera Survey


Fog & 

Contamination Cleaning

Fog & Contamination

We deep sanitise and disinfect of all points of touch then once sanitising and disinfecting is completed to your tailored needs we then carry out a full fogging service to EN1650 / EN1276 or EN14476.  The fogging technique is an effective way of sanitising areas that conventional methods cannot reach in a limited time and with minimal disruption. COVID 19 cleaning is also available 

Why Choose Our Services 

We offer high quality Service's in association with air ventilation and extract system's to a range of customers across the UK, providing 24 hours service 7 days a week. 

GWS is one of the UK's Leading and Longest Running company's with 25 years experience in Ventilation Hygiene, providing Nationwide Coverage . we have vast knowledge and experience in all our sectors and are continually trusted by top named companies such as