Operations applicants have rated the interview process at Royal Mail with 2 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 73.2% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
Video interview, followed by online test, then in-person assessment centre with presentation and interviews. Process was quick, and I received a call with an offer within a couple of days.