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Principle Cleaning Services, the London-centric corporate cleaning specialist, which provides its services to some of the most famous landmark buildings in the Capital, is celebrating its 30th birthday.

Founded in January 1989 by Douglas Cooke, Principle remains an independent family-owned business. Today, the company has a turnover of £54m and employs over 2,200 people. Its core values of people, quality and innovation are still at the heart of the business. 

Douglas Cooke, Executive Chairman at Principle Cleaning Services, said: “We are very proud to be celebrating our 30th birthday and what a journey it has been. The sector has changed beyond all recognition during this time. We continue to innovate and lead the London cleaning market, yet our vision and values remain the same.

“Our longevity is down to the dedication and hard work of our people, who look after our clients and their premises day after day. Adding value has always been at the forefront of our business and I would personally like to thank everyone – our team, our clients and our suppliers, for their commitment over the past 30 years.”

Supporting and delivering clean environments across London, its clients include well-known landmarks such as The Shard, The Walkie Talkie and The Gherkin. 

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