<<If i am a C-Corp and i hire self-employed individual i need to get W-9 from them before i pay them ?>>
Yes, if a self-employed person does contract work for your business you may be required to issue them a 1099-MISC. Therefore you should obtain a W-9 from them so that you have their correct tax ID.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
