Why not just have your own NDA? You need to protect your intellectual property which is embodied in the work that you perform for them. Your NDA can effectivel

Why not just have your own NDA? You need to protect your intellectual property which is embodied in the work that you perform for them. Your NDA can effectively claim protection for your methodology, coding conventions, documentation, etc. In many jurisdictions you own the copyright unless you explicitly assign it to the client. Then you say: "Fine, and you will need to sign my NDA".