Home People Services Safe Space Quality Technology & Innovation Sustainability News Contact Award-Winning, London Cleaning Specialists On the journey to carbon net zero... Our Services Building Cleaning Read more Window Cleaning Read more Periodic Cleaning Read more People We focus firmly on the development of our people and provide industry-leading training and career progression throughout our organisation. Read more Quality Meaningful data means we can make intelligent decisions to continually improve the quality and value of the service we provide to our customers. Read more Innovation We are at the forefront of Technology and Innovation with market-leading management information systems, high-productivity cleaning equipment and efficient working processes. Read more Our Experience We are London’s leading cleaning contractor in landmark properties and our customers include organisations in the financial, legal and media sectors. We specialise in these areas and our portfolio consists of a number of high-profile organisations and prestigious buildings. As one of the few remaining privately-owned, medium-sized cleaning companies operating in London, we have a wealth of experience, management and technical resources to deliver a high quality cleaning service based on attention to detail and continuous improvement. Policies © 2021 Principle Cleaning Services. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By clicking “Accept All”, you consent to the use of ALL the cookies. However, you may visit "Cookie Settings" to provide a controlled consent. Cookie Settings Accept All