Although as a teenager he was too young to vote in the Scottish referendum of 1979 he feels this sparked his interest in politics and representation.

[5] In 1999 he founded a company, teclan ltd, in Inverness, which delivers digital marketing services for online retailers and ecommerce merchants.

[21] Two months later, he announced that he was also resigning from his position of councillor for Aird and Loch Ness, in order to focus on his duties as an MP.

[23] In January 2015 it was announced that he had been selected to contest the Inverness, Nairn, Badenoch and Strathspey constituency in the 2015 general election.

[24] The incumbent Danny Alexander had held the seat for the past 10 years and had been a key architect of the Liberal Democrats coalition deal with the Conservatives in 2010.

The Scottish Government approved early exposure to £11.4 million in surplus funding to assist graduates in higher education.

[31] In December 2020, during a debate on the Internal Market Bill, Hendry was named by Deputy Speaker Dame Rosie Winterton after he removed the mace and attempted to leave the chamber with it.