When travelling to Scotland check that your country of origin is not show on the attached link https://www.gov.scot/publications/coronavirus-covid-19-public-health-checks-at-borders/pages/exemptions/
See the information contained in this link below , tab” seasonal workers”
https://www.gov.scot/publications/coronavirus-covid-19-international-travel-quarantine/pages/sectoral-exemptions/
Quarantine in hotels is not required if your country of origin is not on the list.
At the airport they will expect you to have completed ‘passenger form’ https://www.gov.uk/provide-journey-contact-details-before-travel-uk
A negative COVID test will have to be taken 72 hours prior to travel, it must also be presented at the airport.
Please see links below:
https://www.gov.uk/coronavirus
Self-referral Portal- book a Covid-19 test
From Friday 26 February 2021, essential workers who are self-isolating either because they or members of their household have coronavirus symptoms should book tests directly via the self-referral portal at https://www.gov.uk/get-coronavirus-test.