Using their logo implies that they are truly partners / customers of yours. Is this the case? It not, it is grossly misleading. Otherwise, I would check with them, out of courtesy. They may not want their competitors knowing what software services they use. I don't believe you are legally obli...
Having 4 dogs and being a former sugar addict, I love the idea of dog cupcakes, kudos! My wife and I are currently solving a very similar issue with her t-shirt business. We don't have a freshness issue to deal with like you do, however we do have a scalability and growth issue that we are tackli...