A spy would be a government agent who's purpose is to collect and transmit sensitive information from one nation to another with the goal of undermining the target nations security. She is a smuggler who traffics commodities for money, not a spy.

Alternatively you could argue that corporate spies exist but this takes the form of infiltrating a rival company to access private information to be utilized by the spying company for their own private benefit at the detriment of the spied upon company. In our case the relationship was a mutually beneficial trafficking operation.