LLC's aren't brokerage accounts. What the structure is is forming a Limited Liability Corporation that owns a membership to a stock exchange. Anyone who belongs to the LLC's becomes a member of that exchange It requires getting a Series 7 license now (stockbrokers license) and capital of usuallly over $25,000. The drawback is our account isn't SPIC insured meaning one trader can blow out my account. Be picky of your firm. I'm trading with an LLC due to the regulations and heavy watching of their traders. By being members we are allowed margin rates known as professional margin of 10-1 instead of the normal 2-1. This means your $25,000 can buy $250,000 worth of stock. A normal broker would only allow $50,000. This is huge leverage. Stocks under $5 can be shorted. Commissions are near nothing.