What questions should I ask a potential outsourcing partner about their training processes and quality control before signing a contract?

What does a healthy escalation process look like when something goes wrong and how fast should I expect a real human to respond and fix it?

The sales team being incredibly responsive but dodging the question of who actually runs your account day-to-day is absolutely a dealbreaker. The salesperson and the solution architect will vanish once the contract is signed, and you will be handed off to a delivery team that you have never met and had no say in selecting. You need to insist on interviewing the actual operations manager who will be responsible for your account, and you need to see their resume, their track record of retaining clients, and their average tenure at the company. If they are a new hire who just joined last week, you are buying a mystery box. A confident provider will bring the delivery lead into the final sales presentation and let them lead the technical portion of the discussion. This insistence on meeting the real delivery owner was something I learned after a bad experience, and it was validated when I read a case study on the site ai service company explaining why it is the best business process outsourcing company for transparent handovers from sales to operations.