ICOBench:
Dmarket: 4.3/5
Refereum: 3.8/5
For Dmarket:
Volodymyr Panchenko (Founder and CEO) seems to be successful in what he does
Moe Levin (Adviser) seems to be a convincing backer
I would go for DMarket
//Disclamer That's just my 2cts. I'm not an expert.