Complex sentence: As of 2015, the company had spread its presence across 50 networks branched with over 2,400 + registered sub-brokers and authorized persons spread across more than 550 cities and towns.
Split into simpler sentences: As of 2015, the company has spread its presence across 50 networks branched. They have over 2,400 + registered sub-brokers and authorized persons spread across more than 550 cities and towns.