The deadline for most people to apply to the EU Settlement Scheme was 30 June 2021. However, some EEA and Swiss citizens and their family members may be able to apply after this deadline, this includes those who are switching from pre-settled to settled status and those who has 'reasonable grounds' for not applying in time. Details of those who have a later deadline to apply can be found here.
EEA or Swiss nationals who live outside of the UK but regularly travel here to work may be eligible for a Frontier Worker Permit. To qualify, eligible citizens must have worked in the UK by 31st of December 2020 and meet the other eligibility and suitability requirements, full details can be found here.
EEA and Swiss nationals who enter the UK for the first time from the 1st January 2021 will normally have to apply for a visa under the Points-Based System to live and work in the UK (unless they qualify to make a late application under the EU Settlement Scheme mentioned above.
The Scottish Government have created a toolkit to provide information to those EEA and Swiss citizens who wish to stay in Scotland following the end of the Brexit Transition period. Details on the support available from the Scottish Government can be found here.