We describe in this work - how the commercial real-estate companies build relationships with their tenants. We describe also how the tenants experience these relationships with the real-estate companies. This work acts about relationships and its build-upp and conserving. The literature about the working ways with relationships in the commercial real estate sector is not so extensive, despite an increased Popularity of relationship-marketing since beginning of 1990s. We choosed to examine how the relationships functions nowadays with help of interviews targeted to contacts in five of us selected real-estate companies.