About OCS
An extraordinary tale of vision, commitment and sheer hard work, the OCS story starts way back in 1900 with the formation of The New Century Window and General Cleaning Company, a small independent window cleaning enterprise. Since then, we have grown from one man with a ladder, pail and pushcart to an international business providing a range of essential services in facilities owned by our clients, with more than 86,000 colleagues worldwide.
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