Case Studies and Testimonials
We asked some of our clients what they thought about our service. Here's what they said, presented as detailed case studies. Click on the pictures to read the full case studies and testimonials:
Case Study: Liberty Mutual Insurance Company
Minster Court, London EC3
Overview: We have cleaned various properties for Liberty Mutual since 1991. Their current offices are in prestigious Minster Court. Three floors totalling 24,500 square feet, fitted out to a high specification.
Case Study: Royal Society of Arts (RSA)
London WC2
Overview: The RSA's spectacular mid-eighteenth century Grade 1 listed building has seven floors covering 35,000 square feet, including banqueting halls, conference facilities, a library and offices.
Case Study: Duke Street
London W1
Overview: Former offices and meeting rooms in SW1, all fitted out to a very high specification with lots of glass and chrome, cleaned by Deep Kleen since 1999. Recently moved to W1 where we continue to clean their offices.




