Regarding the legitimacy of UBS forex brokers, it provides CFFEX, SFC, SFC and WikiBit, (also has a graphic survey regarding security).
Is UBS safe?
License
CFFEX Regulated 
Risk Control
Is UBS markets regulated?
The regulatory license is the strongest proof.
CFFEX Derivatives Trading License (AGN)
China Financial Futures Exchange
China Financial Futures Exchange
Current Status:
RegulatedLicense Type:
Derivatives Trading License (AGN)
Licensed Entity:
瑞银期货有限责任公司
Effective Date:
--Email Address of Licensed Institution:
--Sharing Status:
No SharingWebsite of Licensed Institution:
--Expiration Time:
--Address of Licensed Institution:
--Phone Number of Licensed Institution:
--Licensed Institution Certified Documents:
SFC Derivatives Trading License (AGN)
Securities and Futures Commission of Hong Kong
Securities and Futures Commission of Hong Kong
Current Status:
RegulatedLicense Type:
Derivatives Trading License (AGN)
Licensed Entity:
Effective Date:
2005-05-21Email Address of Licensed Institution:
ol-regulatorycompliance-hk@ubs.comSharing Status:
No SharingWebsite of Licensed Institution:
www.ubs.comExpiration Time:
--Address of Licensed Institution:
香港中環金融街8 號國際金融中心二期47-52樓Phone Number of Licensed Institution:
--Licensed Institution Certified Documents:
SFC Derivatives Trading License (AGN)
Securities and Futures Commission of Hong Kong
Securities and Futures Commission of Hong Kong
Current Status:
RegulatedLicense Type:
Derivatives Trading License (AGN)
Licensed Entity:
Effective Date:
2016-12-19Email Address of Licensed Institution:
ol-regulatorycompliance-hk@ubs.comSharing Status:
No SharingWebsite of Licensed Institution:
www.ubs.comExpiration Time:
--Address of Licensed Institution:
香港中環金融街8號國際金融中心2期47-52樓Phone Number of Licensed Institution:
--Licensed Institution Certified Documents:
Is UBS a scam, or is it legit?
The latest exposure and evaluation content of UBS brokers.
UBS Similar Brokers Safe
Whether it is a legitimate broker to see if the market is regulated; start investing in Forex App whether it is safe or a scam, check whether there is a license.
UBS latest industry rating score is 7.15, the higher the score the safer it is out of 10, the more regulatory licenses the more legitimate it is. 7.15 If the score is too low, there is a risk of being scammed, please pay attention to the choice to avoid.