Utter crap - Avis employé Employé (anonyme) Integer Group

I'm not sure if it's changed since I've been there, I worked in the London branch and it was truly the worst place I've ever worked. When I was leaving I was told not to tell anyone, to leave that same day and that my boss would send an email around. A few weeks later and some days before my last day I got messages from some colleagues asking where I was - to when I found out she never even sent the email out. Management & HR have no clue.