What is the difference between entrepreneurial and bureaucratic organizations? Entrepreneurial organizations have a flat and centralized structure, while bureaucratic organizations have a hierarchical structure. Bureaucratic organizations have a flat and centralized structure, while entrepreneurial organizations have a hierarchical structure. Entrepreneurial organizations are common to large corporations, while bureaucratic organizations are common to small businesses Entrepreneurial organizations have all responsibilities defined, while bureaucratic organizations have a single leader that makes most of the decisions.