A recruiter contacted me via email about my resume posting. I hadn't been looking for account management positions, but she felt it would be a good fit. We scheduled a phone interview, it took about thirty minutes, with basic screening questions. The next step was going into office for an assessment test. The test included logic questions, some accounting math, and written scenarios.
Later that same day, I received a call requesting an in-person interview. Three days later I came in again -- this time for three, 30-minute interviews, each with a pair of managers / team leaders from different divisions of the department. They're looking to potentially add you to their teams, so I would say it's mostly a culture fit assessment. The questions asked in each interview were somewhat repetitive, but as essentially a personality test it may be hard to gauge. A few days later I received a call from HR that a manager was interested in me, so she presented a conditional offer based on a background + reference check.