Meridian Securities, Inc. was established in 1989 by its founder Ronaldo S. Salonga, and is an active member-broker firm in the Philippine Stock Exchange. Meridian Securities is your Partner in Value Investing. Meridian Securities Inc. is a respected stock-brokerage firm in Equity Sales, Research and Trading Operations with strategic alliances across various facets of the Philippine financial markets providing clients with equities offerings to suit their financial requirements.