@Aru:
No one is worse than Toei. Compare One Piece's (lack of) animation and Naruto's (suprisingly well done) animation. Sorry, guys, as hard as it is for me to say it: I… I think... I think Pierrot treats Naruto way better than is deserves while Toey does excatly the opposite with animated One Piece.
Naruto well treated. Than what is the reason that I give up the series(anime) so many times and not the manga? hummmmmm … The animation!
And Pierrot was able to turn an incredible good series to crap, Kingdom. At least the Second season was edible.
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@Gatekeeper:
So then what animation company do you guys think is the best?
Counting movies:
Studio Ghibi! Madhouse is close.
Without movies:
Madhouse, Sunrise(it has some bad titles, but the animation is always top notch), Shaft and Kyoto animation are close. Is hard for me to decide which one is the best, but probably I would be more directed to Madhouse, but because of the kind of titles they take.