If you are looking forward to register a company in Abu Dhabi, you need to have a trade license regardless of the type of industry you are planning to operate. You should also get permissions from various authorities and government ministries.
UAE offers all aspects that an investor can ever dream about -privacy, limited liability, asset protection and tax exemption. UAE is one of the prior business destinations in the world and its company formation is very much reputable, regulated, international trading solution. Registering a company in UAE is, always a long term option for any investor.