This brand name has no obvious connotation as it has been invented from scratch. It could suit a variety of professional organisations or brands.
The word "paside" contains only six characters and just two syllables. Two-syllable names are very rare and exceptionally valuable. Successful brands using two syllable names include Subway, Walmart and Dropbox.
Paside.com is a dot-com domain. Dot com domains are the most valued domain extension in the world, famously used by websites like facebook.com. When you own a dot-com, it is much easier to rank for your own name in search engines.