The tax ID number depends on a couple of choices you make. If you have employees then you probably need one, if you don't have employees, then you probably don't. The best bet is to check with a CPA or attorney who's local. It shouldn't cost that much money and it will be worth it to you. -- Tim
Sound tax and accounting procedures are essential to growing a financially secure company. But multiple hiccups threaten the accuracy of these processes, elevating the risk of compliance penalties and reputational harm.