Nokia has removed a key obstacle for the takeup of its new internet offering, by combining sign-ins for its overall services site: Ovi.com. It has also combined sign-ins for its media sharing service.

To do this, Nokia bought a dozen companies, including the $8.1 billion acquisition of mapping company Navteq. This move is aimed at launching Nokia’s internet business at a time when  growth in the mobile phone market is slowing.

“We are pleased to announce that as part of improving your experience with Share on Ovi, we have merged our sign-in system with Ovi.com,” Nokia said in a letter to clients.Despite this move towards ease-of-use, Nokia still require users to create additional usernames and passwords, which may slow down the take-up of its service.

Earlier in December, Nokia said that it’s aim is to make annual revenue of at least 2 billion euros from internet services in 2011. To reach this impressive amount, Nokia will start focusing on what it already does well: navigation, music, games, messaging and media.

Despite its established reputation in all of these areas, Nokia does have some stiff competition in the market, namely Google, Apple and Yahoo. So does the handset maker have enough money and popularity to pull this off? Only time will tell.