Fun business name which plays on the word "Ongoing".
The name "ongoin" has only six characters and only two syllables. Two syllable names make popular global brands. Two syllable names are used by established brands like Ikea, Dropbox and Facebook.
Ongoin.com is a dot-com domain. Dot com domains are the most sought after top-level-domain in the world, famously used by websites like facebook.com. A dot-com is the first thing people think of when they think of a website.