National Cooperative Bank | 14,811 followers on LinkedIn. Working Together. Building Community. | National Cooperative Bank is a values-based bank serving cooperatives, member organizations and socially responsible people with a special emphasis on low income areas. Serving both rural and urban neighborhoods, NCB is a leader in supplying grocery, health care, energy and housing solutions to the nation’s communities that are most in need. What makes NCB unique is that the bank was created to address the financial needs of an underserved market niche – people who join together cooperatively to meet personal, social or business needs, especially in low-income communities.