Several new “GEO” TLDs are launching, as part of the overall new gTLD program, to allow anyone to register domains that represent a local geographic community. With .LTDA the goal was to create an opportunity for Latin American companies who want to expand beyond the South American continent.
Registering a localised domain extension, such as .LTDA, which can only be registered by LTDA-companies, will help you (and other companies doing business in Latin America), grow your business, by letting customers and prospects know exactly who you are and what you do. Registering a geo TLD for your brand will also help boost advertizing and help you promote your business more effectively online, increasing search rankings for your business. Be sure to get the .ltda domain name you want before it's taken.