Forrester is a research and advisory company that offers a variety of services including research, consulting, and events. Forrester has headquarters in Cambridge, MA and London. Its North American offices are located in McLean, VA; New York, NY; Norwalk, CT; and San Francisco, CA. It also has offices in the following EMEA and APAC locations: Amsterdam, Frankfurt, New Delhi, Paris, Renens, Singapore, Stockholm, Sydney, and Tel Aviv. Wikipedia