Can make a huge difference. Let's consider two different types of providers: 1- Those that provide you a part of your process. You use this providers becase of optimizacion, they're expertise or for logistic reasons (or any other). Each time this provider fails, you fail and have failed. You are responsible for your scope but you are also responsible for those outside your scope boundary that are choosen by you. 2- Those that provide you as support of your activity. This are the companies that do not put value directly on your product. But they do it indirectly. Imagine that you run a training company. First type of providers (those that provide directly to your process) may be: classroom and external trainers. If any of this fail, you failed. If the classroom does't have chairs for your client to seat for a full day of training, you won't be able to say: It's not our fault. If the trainer doesn't have a clue of what it's supposed to be teached you c...
Conformity Evaluation