Scott joined the Inland Revenue in 1985 and after two years of training moved into tax investigation work. In 1996 he joined Ernst & Young's tax investigation team and left them in 2005 to start Gilbert Tax in association with Kim Rayfield.

Scott is a member of the Chartered Institute of Taxation and chaired the Leeds branch between 2002 and 2004.

Scott has extensive experience in tax investigation including:

• Special Civil Investigations COP 9 enquiries covering cases of suspected serious tax frauds
  
• Special Civil Investigations COP 8 enquiries in cases where large sums were suspected to be outstanding but fraud does not seem to be an issue (often planning arrangements like Trusts and EBT's)
  
• HMRC prosecutions
  
• CTSA/ITSA enquiries
  
• PAYE Compliance
  
• IR35 Investigations
  
• Status Dispute Investigations
• Off Shore Bank Account Investigations