A widely-appealing, friendly and approachable name which would be ideally suited to a company in the business, support or recruitment sectors.
The word "BigMomentum" contains 11 letters and four syllables. Successful brands using four syllable names include Panasonic, Coca-Cola and Airbnb.
Bigmomentum.com is a dot-com domain. Dot com domains are the most popular, and the most sought after. Once you own a dot-com, it will be much easier to rank for your own name in Google.