Canandaigua National Bank & Trust - Canandaigua, NY - Rochester, NY Bank. As the only local, full-service, community-owned financial institution in the Greater Rochester Area, CNB is investing in you, your business, and your community through our products, personal service, technology, and community support. We offer competitive banking solutions and personalized service that build long-lasting relationships.. Community Bank, Local Bank, Financial Services, Personal Banking, Business Banking, Insurance, Wealth Management, Retirement Planning, Financial Planning, Personal Checking, Business Checking, Municipal Banking, Mortgages, CNB Mortgage Company, Construction Loans, Refinance, Savings, Online Banking, Mobile App, Debit Rewards,