Every sitizen of Netherlands is a EU sitizen as well.As a EU sitizen,he/she can use financial services in all the 27 EU countries without any restrictions.This is supposed to be the European law and all the banks have to abide by it.If Netherlands isn't crypto-friendly country,the dutch sitizens have the right to register accounts in other EU countries that are more crypto-friendly.
Please list the banks that allow business that deal with cryptocurrency. I've been doing this research for over a year. Good luck!
Also, 30 employees for a tech company is a lot. Book-pal.com did over 5 million a year with 8 permanat and a few Temps. What you're talking about is a company that does well over 10,000,000 a year in revenue. We also don't have inside knowledge of what they face. I guarantee it's bleaker than you realize.