Does Saeed Baatiah sign an NDA? — answered by Engineer Saeed Baatiah
Yes, and signing before any sensitive detail is shared is normal and welcome. Send your own template if you have one, or ask for a balanced one covering your customer data, business figures, and product details. Clauses that absolutely forbid naming the project in a portfolio are usually discussed — it can be agreed to mention the project type without the name, or nothing at all if you prefer.