Be the designer of the corporate identity of a company implies a lot of responsibility, since it depends on you (or your team) the image that it gives to the general public and future clients the company that hired you.
You have to bear in mind that all designs must match en color, en typographies and in logo, whether to print on the scholarships, on business cards, the web page or to stamp promotional t-shirts, etc ... everything has to follow a same design line.
In Best Design Options they have made a good compilation of 25 current corporate identity designs and modern, very adapted to the design fashion of today thanks to which you can inspire if the responsibility and honor of designing the corporate identity of a company falls on you.
Source | 25 corporate identity designs to inspire you