Hey, I answered very similar question in following two threads. Hopefully gives a good idea & answers your question.
- https://www.preplounge.com/en/consulting-forum/possibility-of-movement-from-accenture-to-mbbtier-2-8915
- https://www.preplounge.com/en/consulting-forum/how-does-accenture-strategy-compare-against-t2big4-regarding-compensation-and-exit-opportunities-in-germany-8920