Commercial Property Management

Founded in 1993, Guaranty Management Co., Inc. currently provides management services to thirteen commercial properties located in the Worcester, Massachusetts area. Our staff has over 50 years experience managing commercial properties including the 200,000 square foot office tower located at 370 Main Street in Worcester.


From office buildings to warehouses to light industrial properties, we provide complete management services for numerous clients including 370 Main Street GBB, LLC, Lowfield Realty and Woodbury and Company Inc.  Tenants include Fletcher Tilton, P.C., TD Bank, Singer and Lusardi, UMass Memorial Healthcare, the Attorney General’s Office, Spectrum Health Systems and Wells Fargo Advisors.