One by Lessen allows commercial and residential portfolio managers to optimize and scale how they deliver services. it provides a seamless solution for property managers, in-house technicians, vendors, and portfolio owners. optimizing repairs and maintenance, property turnovers and capital projects by managing work orders, projects, assets, and vendors. One by Lessen is used by owners and managers of large and distributed residential and commercial real estate portfolios. Commercial customers manage services for distributed facilities in retail, banking, schools, restaurants, healthcare, and others. Residential portfolio owners and managers use Lessen to manage services for single-family and multifamily properties and common areas.