Recently i visited subway in Ryde on the Isle of Wight, their accessible tolet was anything but accessible. I complained to Subway UK who told me to contact the franchise owner. Here is the chat.
Dear , I want to take a moment to thank you for contacting me and sharing your feedback regarding your recent Subway® experience. I appreciate your feedback and the time you took to share your point of view. I apologize your last visit did not meet your expectation. We would like all customers to be able to enter the restaurant, be served the food they have ordered and have a positive experience during every part of their visit. I have shared your feedback to improve our customer service. Thank you for being a loyal Subway® guest and we look forward to serving you again in the future.
and here is my response.