Clich s don't work. If you can't do more than clich s, save your money. Don't do a brochure. Purpose alters the format and text of a publication. Think carefully about illustration.
All professionals seated at desks look alike.
Use both your own people and client situations imaginatively. Appropriate graphs and charts can help. Be thoughtful about details. For example, how a brochure is to be distributed affects it's physical design. If it's to be mass mailed, postage costs are a major consideration.