What is the minimum age to invest with Syfe? Eliezer September 29, 2020 09:10 Updated The minimum age required to open an account with Syfe is 18 years old. Related articles Can I open joint accounts with my children? Is my investment with Syfe subject to estate tax? Are there any charges for opening a Syfe account? How do I start investing with Syfe? I work at an investment bank. Do I need to inform my compliance department or to have pre-approval obtained before investing with Syfe? Comments 0 comments Article is closed for comments.