The Swedes will recreate the accomodation of the three passenger classes as well as rooms such as the smoking room and first class lounge, Café Parisian, grand staircase and modern features on the safety deck, including extra lifeboats.
The ship is to be built in China and will begin carrying passengers from Southampton to New York in 2016.
As with the original ship, Fredrik Johansson says there will no TVs aboard and no Internet service.
"Clive Palmer wants everything to be as close to the original as possible and the experience on the ship to be as close to the original as possible or there would be no point. That means there will be no TV's and even the food will be the same," he tells Radio Sweden.
Tillberg Design has access to 300 photographs of the interior of the Titanic from private collectors as well as original technical drawings and even the famous James Cameron movie for which they produced a lot of animation and 3D models.