Invest in your future today! Leveraging technology to serve our members better. COK Sodality Co-operative Credit Union Ltd. (COK), formerly City of Kingston is a sophisticated, versatile financial institution headquartered in Kingston. We provide a variety of services to members who want to achieve personal or business related financial goals.. Fixed Deposit, Pension Plan, Golden Harvest Savings Plan, Cambio Services, Remittance Services, Wealth Maximizer, Golden Egg, Partner Plan and COK C.A.R.E.S, Share Account.