Jos A. Bank receives high praise for its helpful and knowledgeable staff. Customers highlight staff members such as Robert, Spencer, Jonas, and Meryl for their friendly, professional, and attentive service. They assist with choosing suits, sport coats, shirts, ties, shoes, and belts, making the shopping experience smooth and easy. Staff members take a personal interest in helping customers find the right fit and ensure everything goes smoothly, especially for special occasions like weddings. Customers appreciate the personalized attention, expert advice, and the ability to get all necessary adjustments. Overall, Jos A. Bank is recommended for its excellent customer service and quality products.