Not if you focus on churning business credit cards. You will see a credit inquiry on your personal credit report. But that’s it. The actual credit card doesn’t show up on your credit report and the sign up bonuses are usually higher.

https://johnnyafrica.com/multiple-chase-ink-business-cards/

With Amex it’s even better. Once you have one credit card with them, they usually don’t even run a credit report. That means you can then sign up for business credit cards with no effect on your report.

As far as websites,

https://www.offeroptimist.com/