BT Group is a global telecommunications company operating in over 170 countries with over 100,000 employees and $29.4 billion in revenue. Their finance organization has transitioned over time to utilize shared services organizations (SSOs) and outsourcing partners to increase efficiency. They have built regional insourced SSOs in the UK and India as well as global outsourced SSOs. The benefits and tradeoffs of insourced regional versus outsourced global models are discussed.