![EU commissioner in charge of financial services, financial stability and the Capital Markets Union Mairead McGuinness, said that Brexit would inevitably lead to a change in relations between the UK and EU](https://s.wsj.net/public/resources/images/FN-AM443_EU_22J_M_20210122074843.jpg)
The European Union’s financial services supreme has said a financial services deal between the UK and EU could take a long time to come to fruition.
“Our timeline initially is to reach a memorandum of understanding by the end of March, and that will be about how we operate as partners and then we will look at the details, so we don’t have a fixed timeline in each month about what needs to be done,” Mairead McGuinness, European commissioner for financial services, told Bloomberg TV.