We all know what the theoretical answer is: it shouldn't matter.
The problem is, you're going up against a mental connection in a lot of people's minds:
person with tattoo = person that's dangerous.
I'm not saying that's right, or even something with an actual correlation. But it's definitely an association that exists for a sizable number of people. ...
I wish to know other company's policies to know if I will have problems in the future in other companies, and your opinion of course :)
I have some tattoos on my arms. I haven't seen a policy for or against tattoos at the tech companies I've worked for. I'm in software engineering and people generally do not care about tattoos.
But there is still ...
while specific policies vary from company to company, most have policies about VISIBLE tattoos, and how and if they must be covered.
Speak directly to HR and ask them before doing anything. Beyond that, it varies wildly from company to company, and industry to industry.
Also, look at what management is sporting. If the CEO has a massive face-tattoo, then ...