There are quite a few places nowadays that you can open a retirement account online. Most of them are going to be great options, and since they are online – most of them will have reasonable fees and commissions.
These two tables list some of the more popular companies to hold your retirement account, and the fees and commissions you can expect with each.
On a related note, check out our post on the best place to open a Roth IRA, as well as the top 5 robo-advisors.