Professional brand name which plays on the word "client".
The name "clieno" has only six characters and three syllables. Established brands using three syllable names include Nescafé, Armani and Toshiba.
This domain was first registered in December 2016. Older domains have an advantage when ranking in search engines.
Clieno.com is a dot-com domain. Dot com domains are the most sought after domain extension in the world, famously used by websites like facebook.com. Once you own a dot-com, it will be much easier to rank for your own name in Google.