4 stages:
1) CV screening - this is the easiest step, hard to know what they use in terms of ATS
2) Online Assessment - This can be tricky, they have questions that ask you to really pay attention to detail. Fine in general if you read carefully and double check
3) Assessment Centre - most difficult stage and has 3 stages (individual, group and 10 challenges)
4) 1 on 1 with the manager - you have to create a presentation about a subject