Binance for Business
Binance is considered to be one of the best exchanges and it is the one with the largest trading volume. As such it is definitely more than appropriate for business.
In addition to the basic exchange interface, their online platform also offers an advanced or professional trading interface, which includes some of the more advanced trading tools.
Further considering their large variety of pairs and many altcoins available on their exchange, it is definitely an exchange to be considered for business use.