Deutsche Bank's 3-day-a-week return-to-office policy has been met with fierce criticism by staff who say there isn't enough space for everyone

• Deutsche Bank staff have criticized the company's new return-to-office policies.
• Staff have complained about the lack of office space and bottlenecks at the company, a union official said.
• Some have even resorted to coming into the office at 7 a.m. to find a spot to sit near their team. 

Deutsche Bank is facing a wave of backlash from staff after introducing new return-to-office mandates, joining a host of companies that are walking back their flexible working policies.