The chart below is a high level overview that should only serve as a guide. Contact an Advisor for more detail and to verify that any assumptions you make are valid prior to actually choosing a plan.

Activity

IRA LLC

Solo 401(k)

Business IRA

Passive Investments (Real Estate etc)  
Limited Liability Protection  
Checkbook access of funds
Requires custodian/administrator    
Unlimited Investment choices
Designed for total control
Designed for self-employment  
Self Administration (no custodian)  
Personal loan provision  
Designed to run a small business    
Can use funds for any business purpose    
Can receive salary and benefits