Casual dress is being packed away by investment bank Lehman Brothers.
The US company, which championed the move to polo shirts and chinos three
years ago, is re-introducing formal wear in the office.
A memo sent to staff by its operating committee stated that: "much has
occurred, including some changes and rethinking regarding work
environments".
Men have returned to wearing suits and ties and women have been asked to
wear "suits with either a skirt or trousers, a dress, or other equivalent
attire."
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The bank, which posted record profits of £1.06bn last year, said the changes
are due to a significant increase in client contact brought on by the growth of
the business.
UK employees of the investment bank are being encouraged to contact their HR
department if the policy – which still allows staff to dress down on Fridays –
causes difficulties.
