Guardian Credit Union receives high praise for its helpful and caring staff, especially the branch supervisor. Customers appreciate the understanding, patience, and professionalism shown during various interactions, such as resolving online banking issues, setting up accounts, and handling sensitive matters like closing a family member's account. The staff are attentive, available, and willing to work with members to find solutions rather than just following policies. Overall, the experience is described as pleasant, kind, and smooth, with many customers highly recommending the branch for its excellent service and support.