It is believed that a man, who was an employee at the company, fell from the third floor of the Stoke Gifford offices. Police were called to the headquarters of insurance firm Axa this afternoon after reports of the death of the man.
Shocked workers who witnessed the fall were being interviewed by police this afternoon.
The distinctive offices are built around a glass atrium which houses a canteen and shops. Just over 2,000 people work at the complex. It is believed the man fell from the third of the atrium and was dead by the time the emergency services arrived.
A spokesperson for the police said: “Police were called to a premises in Stoke Gifford at 1.30pm following reports that a man had fallen from a balcony. Paramedics attended and investigations are currently ongoing.”
Police told staff to evacuate the building and leave their personal belongings behind.