Police have confirmed the 39-year-old man who fell to his death at JP Morgan's offices was found inside the building.
Emergency services were called at approximately 8am to reports of a man having fallen from the 25 Bank Street building and landing on a ninth floor roof.
London Ambulance Service and London Air Ambulance attended but the man was pronounced dead at the scene a short while later
The Met Police has said it believes to know the identity of the man but are awaiting formal identification for revealing his name.
No arrests have been made and the incident is being treated as non-suspicious at this early stage as officers from Tower Hamlets are investigating the circumstances.
A JP Morgan spokeswoman said: "We are reviewing a very sad incident at 25 Bank Street this morning."
It is not yet known if the man was an employee of the bank or from what floor the man fell from.
Speaking to IBTimes, a JP Morgan staff member described a "sad atmosphere" in the 33-storey building.
Steve Marchant, 39, said: "There is a sad, heavy atmoshpere here this morning.
"People claim they saw the fall, which must have been traumatic for them."