You didn't ask which brokerage to hire, but since you've already received this unsolicited information. I'll add that only Coldwell Banker has a global network. We have offices all over the world. No other broker in Manhattan can state that.
Coldwell Banker also requires it's agents to be Realtors - providing sellers with experienced and ethical professionals. Sellers who hire Coldwell Banker get their listing featured on Realtor.com (the highest ranking real estate web site) as well as providing the seller the best national and international exposure possible. Why is this important? Buyers look for their home online. If you want professsional, ethical, experienced and guaranteed marketing, then Coldwell Banker is your best choice.
Please feel free to contact me, if you have anymore questions.
That said, your listing agent should be with a company that will give the broadest possible exposure to your listing. As my colleague mentioned below, Coldwell Banker Preview International is the only local, national and international company in NYC. Furthermore, we are REALTORS, which most other NYC companies are not. This means we belong to the National Association of Realtors and have to subscribe to the highest code of ethics, much more stringent than that of the Real Estate Board of New York (REBNY). It also means your listing will be on Realtor.com, as my colleague mentioned (and 65 other sites). Realtor.com is the most heavily trafficked real estate website, and and the second most trafficked website second only to E-Bay. Additonally, your agent should be someone you click with and feel good about. Preferably they have been recognized by their company in some way. If you would like help from someone who fits all of this...feel free to click my contact info and get in touch.
Ask each agent about their commission -- and also about what they're going to do to EARN that commission. Every single New York City real estate agent is going to put your listing in the same database -- but what else will they do? Are they buying you ads in the New York Times? What about shooting a video?
What kind of open house schedule are they going to run? Can give they give you a reference from the last apartment that they sold? What was easy and hard about that sale?
I'm happy to talk to you when you it's time for you to interview agents. I'm a nationally known real estate writer, and a local agent -- my office is on 16th Street. Plus, when you hire me, you get my boss, who has been selling apartments in the Village and Chelsea for two decades. (I went to work for him after he sold me an apartment in the John Adams on 12th Street).
Our goal is to make sure you walk away from your sale having had the best experience possible, with the most money in your pocket that you possibly can. We'll take care of you, because we wouldn't stay in business if we didn't.
author, "Diary of a Real Estate Rookie"
Insider Real Estate Tips with a Twist of Humor: http://tinyurl.com/2ag28z