That a company exists at all can be verified in business registries (e.g. Companies House in the UK). But clearly having a wikipedia page at all is a big positive signal for a company, it means that they are "known", the GP admitted they were searching to get that kind of understanding. So you can see why a company would want a wikipedia article, even if all it said was "Blahblahco is a enterprise software company headquartered in Bumfuck Nowhere, Alabama" and nothing else.

Hence why, to even be in wikipedia, the company has to be notable, otherwise every LLC and partnership would want to boost their reputation (while ruining wikipedia's): the barrier to entry is https://en.wikipedia.org/wiki/Wikipedia:Notability_(organiza...