Here's is a couple that I know of. I think they are offering free consultation so I suggest you take advantage of it.
http://bitcoinprbuzz.com/https://vibmarketing.com/marketing-for-bitcoin/If you have a detailed roadmap or solid plans, you can post your requirement in the Service section and choose someone after checking their past experience and expertise.
Do discuss with them in details about what you want and speak to them like a silly person to understand how much of grasp they hold on the subjects.
This could also work as well. Just look for a trusted member who is very knowledgeable about ICO's promotion. I don't have any name but for sure once you post your requirements, a lot of members will contact you. Get the best among the rest. And to help you to have a successful ICO, you may want to read this:
https://cointelegraph.com/explained/how-to-launch-a-successful-ico-explainedHere, I found a thread about a member who is doing a ICO promotion. But remember the account is still a newbie, so just be cautious. I'm not endorsing him as well. Goodluck.
https://bitcointalk.org/index.php?topic=1936557.0