Click Business Name for More Information. OLeary Landscaping has been in business since 1980 operating on one simple principle: provide each customer with high-quality personalized service. As a result weve enjoyed a reputation as one of Cape Cods premier residential and commercial landscape companies. We recently merged with Lower Cape Irrigation to expand the scope of services we offer. We are now a full-service company providing all aspects of landscaping under one roof, including design, maintenance, construction, irrigation, stone walls, outdoor rooms, water features and lighting for residential and commercial clients. The mission of OLeary Landscaping is to continue to offer prompt response, quality materials, and personal service. Our dedicated staff works with clients every step of the way to ensure that customers receive the services they need and desire. Our company has a long standing reputation of honesty and integrity. We stand by our work and hope to include you as one of our many satisfied customers.