I worked at NTT Centerstance full-time (More than 3 years)
They run the business as a boutique implementation firm, but in actuality are a larger Salesforce implementor...which is not the norm in the industry.
There was a decent level of fluctuation after their acquisition. Though I am not their now it sounds like things have settled down a bit.
I applied through a recruiter. The process took 2 weeks. I interviewed at NTT Centerstance.
The interviews were good. However, I was asked in the 1:1 interview some questions which surprised me. Seems like the reviewer did not know that what was being asked were questions you are not supposed to ask an applicant.
I did not need to negotiate,