Monex may refer to: Monex Group, a financial services company in Tokyo, Japan Monex Financial Services, a payment company in Killarney, Ireland Monex Precious Metals, a bullion dealer in Newport Beach, United States Holding Monex, a foreign exchange firm in Mexico City, Mexico Monex Europe previously Schneider Foreign Exchange, a subsidiary of Holding Monex Monexgroup, a payment processing company in Toronto, Ontario