There are many ways to work and it totally depends from person to personal but there is a pre-defined way that if you want to go far and achieve something, then better to work as a team and if ypu want to go fast, then choose the way to work individually. So, totally depends on you that where you want to go and to how much level.
Think again and decide how long you want to go to fulfill your dreams to what level you want to see your business.