The exchange will combine several existing businesses under a shared management and development structure.
The new business area will be led by Ramón Adarraga, executive chairman of BME Market Data and CEO of Infobolsa.
Even before they confirmed merger negotiations, it was clear to see that the London Stock Exchange and Deutsche Börse had much in common.
Officials say the deal will support BME's expansion plans in Latin America.
The exchange is adding more content to its mobile app, and plans a premium version following the success of its free app.