Lose the yellow border and text.
Blend your c4d's a little..
The c4d in the upper right hand corner,
I think something else should be in it's place.
Same goes with the two striped c4d's on the left
Add some other effects, maybe some type of fractal or effect stock.
I do not rike. C4ds need to be blended moar.
There really isn't much to say here.
It's a work in progress, not a completed signature.