Property managers, hotel executive housekeepers, building owners, developers, general contractors and project managers rely on Corporate Cleaning Services to keep their buildings and windows looking great. Our many long-term client relationships have been built through the company’s reliability, attention to detail, responsiveness, extra effort, focus on safety, quality assurance and follow-through on projects that range in scope and size To fit each client’s scheduling needs, interior and exterior window cleaning services can be provided year-round, seven days a week.