"Businesses are fully aware that public health must come first and have been doing everything they can to keep staff and customers safe, whether in pubs, shops or offices.
"Getting a grip on rising infection rates now can help maintain confidence and avoid further restrictions in the months ahead.
"But this news will come as a severe setback to businesses across London - particularly in the hospitality, leisure and tourism sectors.
"While the Chancellor has taken bold and decisive action to support jobs and companies' cashflow, London businesses still remain under extreme pressure. It's vital that the Government, Mayor's Office and London's Councils continue to work effectively together and use whatever tools they have at their disposal to protect jobs and livelihoods."