Short and catchy business name which means "defence, protection" in French.
The word "fermez" contains only six letters and only two syllables. Two-syllable names are exceptionally rare and very desirable. Leading companies using two syllable names include Kleenex, Dropbox and Twitter.
Fermez.com is a dot com domain. Dot com domains are the most valued top-level-domain in the world, famously used by websites like twitter.com. When you own a dot com, it is much easier to rank for your own name in search engines.