A logo should embody some action, be bright and at the same time be quite simple.
Here are some of the concepts I offered:
In my first logo concept I try to present the letter S in the latest trends with long shadows to imply a metaphor of a progressive and dynamic company.
The mark could be presented in different colors to identify different company vectors.
I'm drawing some more sketches:
No sooner said than done:
I'm drawing it on vector editor and in color. I'm selecting a font to substitute the lettering with no trouble.