TD Ameritrade (AMTD - Get Report) is linking up with Apple (AAPL - Get Report)  for its new beta business chat, allowing customers to message directly with the brokerage firm.

Some 75% of TD users use the iPhone or iPad, making the partnership a natural next step in TD's tech development, according to Sunayna Tuteja, TD Ameritrade's director of emerging technology and innovation. 

TD Ameritrade is part of a beta program for Apple's business chat feature, which also includes companies like Home Depot (HD - Get Report) and Marriott International (MAR - Get Report) .

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