A "branch network" refers to a system of physical locations or offices that a company or organization has in different areas or regions. These branches or locations are connected to a central headquarters or main office. Full definition
Part of the problem was that new banks found it difficult to enter the retail market as they lacked the widespread branch network of established major banks. (rba.gov.au)
Most credit unions have small branch networks in comparison to banks. (finder.com)
Thank you for this article on credit unions — don't forget about the benefits of the shared branch network! (gobankingrates.com)