Armed officers rushed to the Sony office after police were alerted to the incident in Derry Street, Kensington, where they found two men suffering from stab injuries.
Police did not release any further information about the person arrested, but eyewitnesses said it was a male suspect.
The Met Police has confirmed that two people were injured during the attack and one person has been arrested.
Manchester United review security after toy guns found in backpack
He said: 'I hope we will agree. 'Turin is my home, it's the place where I scored my first professional goals. 'The draw was insane , I told my brother that we would take Juventus and it happened'.
The kitchen workers were "running around chasing each other" and "slashing each other up", he said.
"We sent an incident response officer, two single responders in cars and two ambulance crews to the scene". Police said the injuries are not life-threatening.
'No evidence of any firearms involved in this incident.
Rooney proud of DC spirit despite MLS play-off exit
Wayne Rooney hailed the performance of DC United this season despite their MLS play-off exit to Columbus Crew on Thursday. Nine minutes later Higuain made it 1-1, slotting the ball home after Junior Moreno and Joseph Mora failed to clear.
Alex Iszatt, who works in a building opposite, said she saw "loads of people" coming out of the Sony building.
STAFF were forced to hide under tables after a person was stabbed in the Sony Music headquarters' canteen in London.
Police were called at approximately 11am today to reports of an incident.
EPL: Hazard To Return Against Crystal Palace - Sarri
However some players who have not been enjoying regular topflight action, including Danny Drinkwater, Victor Moses and Gary Cahill.
The London Ambulance Service said it took one victim to a hospital and the other to a major trauma centre.