Investor Management Services (IMS), the leading investor experience platform for commercial real estate owners and investment firms and the only complete solution for investor management, today announced the grand opening of its new headquarters, which will be celebrated with an invitation-only open house on Thursday, March 28th for employees, their family and friends, industry professionals, Lower South End neighbors, vendors, and partners. IMS will host additional open house events in the future, which will be open to the public.