We’re passionate about people, quality and innovation

Douglas Cooke, Principle’s Executive Chairman, formed the company in 1989. His ambition was to create a specialist cleaning business that focused on delivering unrivaled levels of service for the London market. His original ethos was that Principle were always ‘passionate about people, quality and innovation’ and this still underpins everything that happens in the business today.

Today, Principle Cleaning Services is a £54m+ business employing over 2,200 people who service over 250 clients including many of the Capital’s most iconic landmark buildings. We pride ourselves on our personal service, our ability to respond immediately to our customers’ needs and the quality of the people we employ.

Our Services

Building Cleaning

Window Cleaning

Periodic Cleaning

Kitchen Deep Cleans


Principle Cleaning Services

We focus firmly on the development of our people and provide industry-leading training and career progression throughout our organisation.


Meaningful data means we can make intelligent decisions to continually improve the quality and value of the service we provide to our customers.

Principle Cleaning Services


Principle Cleaning Services

We are at the forefront of Technology and Innovation with market-leading management information systems, high-productivity cleaning equipment and efficient working processes.

Case Studies

Principle Cleaning Services

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