Muriel Siebert & Co., Inc., has been in business and a member of the New York Stock Exchange since 1967.Learn More
Automatically rebalanced, smart portfolios. Built to help you reach your goals and invest in what matters.Learn More
Siebert has specific forms for different types of clients. Please login to access the correct form for your account type.Login Now
(800) 872-0444
(800) 338-3965
Open an account, transfer or rollover funds, change beneficiary information, and much more. Find the form you need, download and print, and return it to us signed by mail, e-mail, or fax.
New to Siebert? Open an Account
For Siebert investment account holders - log in with your username and password.
Please check that you have correctly entered your User ID. If you are unable to log in or need further assistance, please contact a Client Service Representative at (800) 872-0444.
Find information and resources related to employer-provided stock plans.