Frost Business Investments Online Services / Business 401(k) Online Business 401(k) Online Benefits offerings, including 401(k) plans, are increasingly important. Make sure your business' plans are competitive, accessible and easy to manage. With Frost's 401(k) Online service, your employees can manage their Frost 401(k) accounts - remotely and for free. Employees can: View balances, transactions, statements and holdings Manage contributions Change contribution rates and investments Project eventual retirement plan benefits Request and manage a Frost 401(k) loan Let Frost's 401(k) Online service help your employees manage their accounts. Sign Up for 401(k) Online To sign your company up for 401(k) Online, call Frost Retirement Services at 1-800-562-6732. Log in to 401(k) Online. We're here to help Talk to a Frost wealth advisor at (888) 268-9202. Request a call Find a location