“I would like to express my thanks to DSW for providing an excellent service when completing chilled water system flushing and dosing.” Gerhard Bernard Royal Automobile Club, Pall Mall

“Your team are always very polite on site and feedback from our customers is great.” John Powis Nicholson Plastics

Proud to be 100% INDEPENDENT

DSW - Where customer service comes first
DSW provide specialist water hygiene, treatment and engineering services to commercial, medical, hospitality, leisure and industrial clients nationwide
Are you a London-based hotel?
DSW specialise in providing unrivalled water treatment and engineering services to 5 star hotels in central London.
DSW are sensitive to the needs of the hospitality industry and understand how important appearances are. We understand the operational, financial and engineering implications within the hospitality industry and use innovative approaches to suit the needs of a 365/24/7 operation.
DSW - Where customer service comes first
DSW provide specialist water hygiene, treatment and engineering services to commercial, medical, hospitality, leisure and industrial clients nationwide
Are you a London-based hotel?
DSW specialise in providing unrivalled water treatment and engineering services to 5 star hotels in central London.
DSW are sensitive to the needs of the hospitality industry and understand how important appearances are. We understand the operational, financial and engineering implications within the hospitality industry and use innovative approaches to suit the needs of a 365/24/7 operation.