desperate for some good advice :)

Hello, i'm new to this community although been reading through some of the posts on here for a few weeks now. You all seem very knowledgeable and hopefully can lend some support/advice to me in my situation!
I'm a 25 year old, working professional, living in PA while working in NJ. Last year, over the holidays, I (stupidly) applied for a few store credit cards, which turned into a few more, etc, etc... I was strapped for cash, just getting out of a bad situation with my live in boyfriend and thought that I'd eventually pay things off later, and felt the weight of the holidays on my shoulders. Between moving out, starting life over in a new town, moving three times (into my mothers house, into a new apartment, into another new apartment), new car payments, best friend's (very) expensive wedding, I accumulated around 12k in credit card debt.
It got to the point that the bills were piling up and I could only afford to pay a couple of them (12 cards in total) each month while affording my rent, car + utilities. I was forced to move out of my apartment due to flooding, with no renters insurance and damaged property had to purchase some new (used) furnature and quickly find another spot to live which was even more expensive. I have been unable to pay any of the credit cards for about 5-6 months now and have creditors hounding me like crazy. My phone rings off the hook, and i am sick to my stomach knowing that i can barely afford my rent each month.
I came here, to this website, entered my info, and was contacted by credit counseling of America, who I originally thought was a God send, however the creditors still called. I eventually called CCCoA, who then informed me that my account was now owned by.....
Richard Brennan and Associates.
I've read a few horrible posts about this man and his company and am now terrified as to what I've done with my situation. I called them and spoke with a woman (celine? celeste?) who went over all of the accounts that i had submitted to them for help, they were missing 2 of them - mind you I diligently filled out the paperwork that they requested with all of the info about my debts and know that these were on there. She also informed me that my payments would go up as a result of that. I told them that i was still being sought after by creditors and the woman said to me that only one of my account "proposals" had been accepted so far, so that I should still expect this. She also told me that "the first 3 months are always the hardest" while they were still submitting the proposals to the creditors, etc.
Anyway, after reading all about this company, I am totally upset and worried about what is going to happen with these accounts. I have not been paying them because i thought that richard a. brennan was taking care of it and now am afraid that they are getting worse and worse.
A friend just referred me to another company who she used and said was very reputible, and I desperately want to switch over to them. I called them and they said that it may be difficult if these Richard Brennan people were already negotiating with my accounts.
Please can someone please advise me as to what to do! I do not want this mess to get any worse, I've already given $648 to this current company (R.A.B.)and I am terrified as to what else will happen if i let this go any further. I am afraid that they will keep messing up as they have done to so many others.
Also, can anyone please refer me to another credit counseling agency who may be able to help? The company that I reached out to is Consolodated Credit. consolidatedcredit.org/
Can anyone else verify that they are reputable?

Thank you so much for your support. Just being able to write all of this out and put it out there for you all to see eases my mind a bit. I feel like this hole of debt is this huge looming secret that I can't dig my way out of. So thank you for reading and I wish you all luck on your path to being debt free! :)
Liza