Rubuta ci gaba don wannan sakin layi - Lamont ya kasance fitaccen adadi a cikin Better Together Campaign, ƙungiyar siyasa ta jam'iyyun da aka kafa don kiyaye Scotland a matsayin wani ɓangare na United Kingdom bayan sanarwar SNP na raba gardama kan 'yancin Scottish
a shekarar 2014. Ta kasance a bayyane a cikin adawar ta ga 'yancin Scottish, ta amfani da jawabin da aka gabatar a taron 2013 na Labour na Burtaniya a Brighton don zargin SNP da haɓaka ƙiyayya tsakanin Scotland da sauran Burtaniya, da kuma bayyana kishin ƙasa a matsayin "kwayar cuta da ta shafi ƙasashe da yawa kuma ta haifar da lahani sosai". Lamont na goyon bayan karuwar ikon da aka bai wa majalisar dokokin Scotland, kuma ta kafa kwamiti don duba yadda za a iya cimma hakan.