Their routine input from an outside perspective may be extremely valuable in resolving issues and creating innovative solutions. You will gain insight to their personal and organizational motivations for being part of your project and what ways their company can or cannot participate. They will have a higher level of personal ownership and commitment to the project. Keep your partners informed. As your project takes form, keep your partners informed about how the project is working, interesting news and issues that need to be addressed.
Businesses are interested in results.
They want to measure their efforts by the success of the program. Look for ways your partner may leverage and get more value out of the project in ways they may not be aware of. Be candid about issues and problems that need to be resolved. They, too, have a vested interest in making the project a success. Evaluate your partnership periodically.