I just wanted to slide this 'on topic' reply here:
As part of Co-Innovate-Brunel's support for start-ups and SME's I've had help from a student, though NDA wasn't relevant as student had to create with given specifications and photograph the results. However, non-disclosure agreements did apply for SME's/students developing apps and much great work seen at Made In Brunel!
This is an excellent reference to intellectual property and how to protect it, so BIG UP to you Chris!
Here's the Co-Innovate Brunel website, for any current seekers of support: