Mackay was instructed to repay £31,193 by Sir Thomas Legg, following his review of expenses claimed by MPs from 2005-10.
Joins global lobbying firm
After leaving politics in 2010 Mackay began working for the lobbying arm of PR giant Burson-Marsteller. Upon taking up the role Mackay said:
- ‘After leaving Parliament I want to be a part of a winning team that is assisting global businesses face their strategic communications challenges and Burson-Marsteller provides a fantastic opportunity to do this.'
- He added: 'I considered a number of consultancies and decided on Burson-Marsteller because of its range of international clients, its campaigning approach and the quality of the team.' 
Political career background
From his biography on Burson Marsteller's website:
- Andrew’s long career in the UK Parliament included four years as David Cameron’s Senior Political and Parliamentary Advisor. Under Margaret Thatcher, he served as Parliamentary Private Secretary to Tom King, first as Northern Ireland Secretary and then as Defense Secretary. He was also a Senior Minister in John Major’s Government for five years ending as Deputy Chief Whip.
- He served as William Hague’s Shadow Secretary of State for Northern Ireland. As Deputy Party Chairman for Candidates under Michael Howard, he has mentored dozens of conservative MPs.
- Mr Andrew Mackay and Ms Julie Kirkbride, Standards and Privileges Committee, House of Commons, UK Parliament, 19 October 2010.
- David Singleton, Lobbying firm Tetra Strategy signs former Tory MP Julie Kirkbride, PR Week, 24 May 2010.
- David Singleton, Tory MP Andrew MacKay to join Burson-Marsteller lobbying arm, PR Week 10 February 2010