This brochure is unique and has good proportions visually and conceptually. It could be better balanced by giving more information to the left tab of the open brochure but overall it is orderly and simple which makes it easy to read.
I have seen quite a few good visual identity guidelines, from small to big companies. The main difference is for SMBs it's important to create more compelling symbols to standout among the competition.
Although the inside layout is quite static and plain as their common layouts, the interactive cover intrigues the viewer to open the packager to see what's inside. The illustration used is very bold and eye-catching.