I was approached by them, they have a friendly HR team, the process was quick and straightforward. I was always kept in the loop regarding next steps and they got back to me quickly after each round.
I applied online. I interviewed at Hays (Londres, Inglaterra)
Interview
Generally they have a three stage interview process in total.
First with HR round where they ask basic resume questions and remuneration, 2nd with hiring manager interview and lastly an industry specific case study
Interview questions [1]
Question 1
Tell us about your marketing experience and the most successful campaign