If your story began with three short testimonials, you might end with different parts of the same three testimonials. These concluding testimonials should make a stronger impact than the first three. Viewers will recognize this as the end. Music swells and your logo, address and phone fly in. Fade to black.
Good stories flow naturally from one chapter or scene to the next.
One way to accomplish this is to end a scene with an implied question. Begin the next scene by answering that question. In good films and music, you often know what's coming next. You've been led to expect something. When you've led the viewer to expect something, don't be coy - give it to him.