APCIMS Views 4 meanings found APCIMS can denote the professional Association of Private Client Investment Managers and Stockbrokers, as well as the analytical technique Atmospheric Pressure Chemical Ionization Mass Spectrometry used in scientific research. Academic & Science Atmospheric Pressure Chemical Ionization Mass Spectrometry Business Association of Private Client Investment Managers and Stockb Association Of Private Clients Investment Managers And Stock Association for Private Client Investment Managers and Stock