Maybe they lay out picnic blankets out in the field and work outside everyday?

Or maybe a crappy looking office building, seems more likely for a company the size of GFM...

So another one of their HQs is a butchers shop. TBH if I owned a company I would ensure there be a butchers shop in my building, so its likely this is totally a legit GFM HQ...

GFM is so diverse in their HQ locations, they even utilize the post office space

You know what they say...
...If it glows like a duck... then its probably a front