I was just looking at the d4 planner, and see if there were anything that boost the druids companions. Maybe I am blind, but i did not see anything that benefit the companions in the hole paragon tree.
Same for the skill tree there are only Call of the wild that passive that benefit companions.
I wonder why the druid even have any form of companions since they are as it seems completely ignored in all aspects of build choices, or am I missing something?
I would like to try make a wolf companion build but the game do not offer anything to do so?
There should at least be a companion board as the necro have minion board. Or just remove the companions all together and replace them with other stuff in the skill tree.
To me it looks like a placeholder and not more than that in the skill tree.
there are some aspects, and also glyphs that can enable a companion build. Tho its not really the strongest build option. However, if you want to build one just for the fun of it, heres a guide i used sometime 
http s://www.icy-veins.com/d4/guides/wolf-companion-druid-build/#strengths_and_weaknesses
Ok i will take a look, but still I think there should be a board to boost companions, like necro have to its summons.
Update:
There are 2 glyph as far as i can see, that is not much, but better than nothing.
yea def wouldnt hurt for sure!
I wonder about it too. Companions were great alternative to summoner necro in D2, made even stronger with D2R. And here they are only 3 to choose from and even when going full companions, you hit a wall at paragon boards. It’s season 2 and still nothing done about it. It’s very sad.