What methods do you think are the best ways to acquire new customers for B2B?

It depends a lot of what you selling. Notably, what are your price point? Are you selling consulting at $2k or a small saas tool at $5 per month? Here is a good reference on the topic: https://brianbalfour.com/essays/...

Intros from existing customers. Try to think how to incentivize your current customers for getting new ones