A woman looks over Dubai from the 124th floor observatory of the Burj Khalifa tower. A woman looks over Dubai from the 124th floor observatory of the Burj Khalifa tower. (Kamran Jebreili/Associated Press)

A Montreal design company has left its mark on the 124th floor of the tallest building in the world, inaugurated on Monday in Dubai.

The company, GSMprjct, designed a sky-high observatory and interpretation centre for the Burj Khalifa, Dubai's new, 828-metre skyscraper.

The observatory offers a 360-degree view of Dubai. The observatory offers a 360-degree view of Dubai. (Kamran Jebreili/Associated Press)GSMprjct was paid $12.5 million to design the observatory, which offers a 360-degree view of Dubai.

The 50-year-old firm also designed the interior of two rapid elevators in the building that operate at speeds reaching 35 km/h to service the observatory in less than a minute.

The Burj Khalifa is home to the world's first Armani Hotel, luxury offices and residences and will ultimately be the place of residence, work and leisure for a community of up to 12,000 people

GSMprjct was founded in 1958 by Quebec architect and designer Jacques Guillon, who has worked on iconic Montreal projects including pavillions at Expo 67 and the city's metro system.

With files from The Associated Press