We are an Estate Management company and have been using S. I. H 2001 Ltd for many years on all of our properties and can safely say they are one of the best cleaning companies we have come across! They are very well priced and usually always beat others. They are also excellent at meeting deadlines when given very short notice and are always happy to work exactly to our requirements. We will continue to use them for many years to come! Keep up the good work! Ben Shepard. Property Manager. Property Matters (London) Limited.