In the subsequent 2011 SNP landslide election, Gibson secured a comfortable majority of 6,117 over Allan Wilson, the same Labour candidate, and former Scottish Minister, he had defeated by so slight a margin in 2007.

[6] In addition to his constituency activities, Gibson was also the Convener of the Finance Committee in the Scottish Parliament from 2011 to 2016 and brought attention to enhanced financial powers in the Scotland Act 2012.

[11] Gibson faced a selection challenge against former MP Corri Wilson and Osama Saeed for the SNP nomination for Cunninghame North at the 2021 Scottish Parliament elections.

[12] Individual office-bearers in the Cunninghame North Constituency Association had issued a call for members to come forward to challenge Gibson and all sitting SNP MSPs, saying there should be 'a festival of democracy.

[16] SNP National Secretary Angus MacLeod issued a statement at the beginning of a hustings meeting which clarified the party was not investigating Gibson.

This was during the Stage 3 debate on the Gender Recognition Reform (Scotland) Bill, where Gibson, on the topic of housing "anatomical males" in women's prisons, stated "If a fox said it was a chicken, would you put it in a henhouse?