Complex sentence: By January 2013, the company had 20,000 customers and had processed more than $200 million in transactions, and by July 2013, its customers had increased to 40,000 and total transaction values increased to greater than $1 billion.
Split into simpler sentences: By January 2013, the company had 20,000 customers and had processed more than $200 million in transactions. By July 2013, its customers had increased to 40,000 and total transaction values increased to greater than $1 billion.