talk for 45 mins (on anything, including your background, interest, career goal etc), if they like you, you will be invited to a short internship, if you perform well, then you get a training contract

30 minute written assessment before a 45-50 minute interview. The written assessment is difficult if you do not have prior knowledge of the subject matter. The interview is not too difficult. The partner did not ask too many questions but instead described the work at the firm and what a trainee can expect. The partner was friendly and seems down-to-earth.