Skip Navigation

How can we help you today?

Our Service team is available Monday - Friday 7:30am - 7:00pm EST.

Our Trading Team is available Monday - Friday 7:30am - 7:30pm EST.


Phone: (800) 872-0444
International: +1 (212) 644-2400
Fax: (212) 486-2784


Submit an inquiry using the form below and a Siebert representative will respond as soon as possible.


Send us a message with your question or comment.
[email protected]

Send us a message

Provide your contact information below and a Siebert customer service representative will contact you regarding your questions and comments.

Siebert's New York, NY Headquarters

Quick access to popular resources.

Funding & Transfers

For your convenience, Siebert clients may fund their accounts in a variety of ways.

Rates & Fees

Know the terms, fees and conditions of your Siebert account.

Siebert Forms

To access the forms which match your account, please login.

Chat with us!