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CAS provides comprehensive and secure document digitisation, information storage and facilities management services. For more than 20 years we have worked with NHS Trusts, financial services providers, and corporate and private clients. Our head office is just four miles from the City of London, supported by our advanced storage centres across the UK. We are proud of our 100% client retention rate and an impressive array of International certifications (ISOs), which prove our compliance with the strictest national, European and international laws. They also demonstrate our commitment to provide innovative systems on security, confidentiality and quality control in keeping your files safe and well managed.