Kraken is a crypto exchange which is meant for serious individual and businesses.
Apart from Individual account, it also offers an institutional account which is idle for crypto businesses.
Kraken supports multiple digital assets, and you can fund your account in multiple traditional currencies.
Kraken also offers a Bitcoin OTC desk for high volume crypto exchanges. Kraken uses a maker-taker fee schedule with volume incentives based on your activity in the past 30 days.
Kraken also supports the Staking of a few popular proof of stake coins.
Overall, Kraken is one secure, and trustable exchange that you should check out.