LOCAL EXPERTISE / GLOBAL REACH JSC Realty & Investment Services is a commercial brokerage firm offering services in Project Leasing, Tenant/Buyer Representation, Investment Sales, Property Management, Construction Management, and Development. Each member of the executive team has in excess of 20 years’ experience providing value-added service to their clients. In 2013 JSC Realty & Investment Services became the exclusive affiliate of API Global. Through our partnership with API Global, we now serve our valued clients anywhere in North America and the World.