Information For IBKR Clients Relating to the Spanish Tax Form 720

Interactive Brokers wishes to supply the following information which may be useful for our Spanish residents when completing the required Form 720 for the Spanish Tax Authorities.

Interactive Brokers LLC, a US company, is the carrying firm for stocks held in IBLLC and IBUK client accounts. The US tax identification number (EIN) for IBLLC is 13-3863700. The address for the corporate headquarters of IBLLC is as follows:

One Pickwick Plaza
Greenwich, CT 06830

For those clients holding metals, CFDs, non-US commodities and non-US index options, positions are held through Interactive Brokers UK Limited whose Company Registration Number is 03958476 and is located as follows:

Level 20 Heron Tower
110 Bishopsgate
London EC2N 4AY
United Kingdom


Routing instructions for depositing funds are determined based on the denomination of the currency you are depositing and the IBKR entity through which your account is held. Routing instructions are made available after creating a deposit notification via Client Portal under the Transfer & Pay menu followed by Transfer Funds.

Should you require information regarding the average cash balance in your account, you may create a Flex Query through Client Portal by navigating to Reports followed by Activity and Flex Queries.

You may similarly run a Flex Query within Client Portal in order to obtain ISIN information for non-US assets. IBKR does not provide customers with ISIN information for US securities; however CUSIPs may be obtained through a Flex Statement query provided the account has subscribed to the CUSIP Service, available for USD 1.00 per month for non-professional accounts. Customers requiring ISIN data for US securities may obtain such information from company websites or internet searches.

Please be aware that Interactive Brokers does not provide information to the Spanish government directly relating to Form 720. Customers are responsible for all reporting aspects and should consult with their tax advisor for any assistance in completing the required documentation.