If you know that a good number of your website visitors come from a different location then International SEO is a great help, as it is the process of improving your website so that search engines can easily analyze which part location you want to drive traffic and which languages and you want to use for business results to create a better experience for all of your international visitors.
In other words, it is like geo-targeting SEO, i.e instead of optimizing your website to drive traffic from your city or nearby location, you are optimizing it to drive traffic from a different country and different languages.
Essentially any business ( small or medium ) targeting multiple countries and looking to expand worldwide can make use of international search engine optimization to expand your business globally and to reach new international markets.
Growing an international presence for your website is not a day process. Businesses of any type or any size need to consider a number of important factors, hence can drive more genuine traffic to your website with international SEO service.