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Starting out as a team of four at non-profit making organisation East London Business Alliance in 2013, our IRATA-accredited window cleaning operation – Principle Windows – is proud to be announced as the second largest in the UK.

The division has gone from strength to strength and built a 100-strong team, including IRATA-trained abseilers, as well as opening a Centre of Excellence facility in 2019 from where drop marking – our innovative and bespoke real time reporting platform – was developed.

Upon hearing the news of the achievement, David Saville – Managing Director of Vertical at Principle Cleaning Services and Executive Committee Member of the Federation of Window Cleaners commented:

“For our window cleaning operation to be the second largest in the UK in a highly competitive industry is significant, particularly when our portfolio currently only covers the London market.

Although we operate in a mature sector with many operators, our strategy is to continue to grow organically through continued investment in our people, innovation, sustainability and the use of technology, to deliver even greater benefits for our clients.”