Regarding the legitimacy of ICM forex brokers, it provides FCA and WikiBit, (also has a graphic survey regarding security).
The regulatory license is the strongest proof.
FCA Inst Market Making (MM)
Financial Conduct Authority
Financial Conduct Authority
Current Status:
License Type:
Inst Market Making (MM)Licensed Entity:
Effective Date:
2010-11-08Licensed Entity Email:
compliance@icmcapital.co.ukSharing Status:
No SharingLicensed Entity Website:
http://www.icmcapital.co.uk/Expiration Time:
--Licensed Entity Address:
Licensed Entity Phone:
442076349770Licensed Institution Certified Documents:
The latest exposure and evaluation content of ICM brokers.

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.
ICM latest industry rating score is 1.50, the higher the score the safer it is out of 10, the more regulatory licenses the more legitimate it is. 1.50 If the score is too low, there is a risk of being scammed, please pay attention to the choice to avoid.