Please can someone send a "flat"concept, avoiding the use of gradients and ultra-realistic elements such as shadows and volumes.
We also see that the logos are a bit cold so maybe integrating some detail in warm tone like orange can eliminate this feeling.
Here I leave a couple of links to what I mean vizualicen with new trends:
http://designwebkit.com/inspiration/examples-flat-logo-designs/http://designwebkit.com/inspiration/examples-flat-logo-designs/