Pros
Look, they are going to try and sell you on the few pros that do come with the job. Fancy new building in Galleria area. "Free" lunch every day. Something that sounds like a lot of money. I will say the one true benefit they provide is a good health plan, at least as a single person. You also meet some great people who become good friends.
Cons
Where to begin? Minimum 50 hour work week. If you want to leave on time (6:30 pm) you basically have to sneak out. During tax season it jumps to at least 60 hours a week. Having a work/life balance is impossible. alliantgroup is either your life or you will never progress. Notice that all the 5 star reviews come at the same time and are usually from management level. People relish the opportunity to throw you under the bus just to try and gain some favor from someone higher up the food chain. All your meetings will be outside client service hours so don't plan on making dinner reservations. PTO is restricted for half the year due to tax season...in other words no time off from February thru April AND August thru October. You will work weekends. You will be expected to attend "optional" events.