The space says it all.
Professional cleaning for homes, businesses and the spaces that matter.
Regular Cleaning from £46 a visit · First clean 1 hour longer, at the One-Off price · Pay after the clean · All products included · No parking charge · DBS-checked cleaners
Services
Residential
Regular and one-off cleaning for houses and flats, carried out with care for your home and your routine.
Explore residential
Commercial
Office and business cleaning scheduled around your working day so your space is ready for people.
Explore commercial
Specialist
Focused cleaning for the jobs that need extra time, attention and the right approach. Oven, appliance and interior window cleaning, plus Laundry & Ironing.
Explore specialistIn focus
A home that feels like yours again
Kitchens, bathrooms and living spaces, cleaned properly.
From £23 an hour for weekly Regular Cleaning (first clean £29 an hour) · Book online in minutes
Offer Read more
Workplaces ready for Monday
Offices and business premises kept presentable.
Free site visit · Written quote within 24 hours
Founding price Read more
When a job needs more
Extra time and attention for the spaces that need it.
From £65 on its own · Or add to any clean
Offer Read moreFounding price: sign an Office & Business or Serviced Apartments contract, or book Regular Cleaning, by 31 March 2027 and your price stays the same for 12 months from your first clean. See the founding customer price lock.
Every space, done right
Why GASI
A Richmond upon Thames cleaning company built on one idea: when a space is cared for properly, it shows.
Professional
Courteous, prepared and respectful of your home or workplace from the moment we arrive.
Detail-driven
The edges, corners and surfaces that are easy to miss are exactly where we look first.
Reliable
We turn up when we say we will and deliver the same standard visit after visit.
Customer-first
We listen to how you use your space and shape the clean around what matters to you.
Let the space speak.
Homes can book online with an instant price. For offices and larger jobs, we aim to send a written quote within 24 hours.