General Counsel and Solicitor

Gill Aitken


Gill joined HMRC in 2014. She advises HMRC and HM Treasury and is responsible for all aspects of tax law, leading a large litigation team, which safeguards billions of pounds worth of tax revenues.

From 2010 to 2014 Gill was with the Department for Work and Pensions (DWP) as Director General for Professional Services and acting as Solicitor to DWP and the Department of Health.

General Counsel and Solicitor

The General Counsel and Solicitor is responsible for all legal services to HMRC, whether provided directly from Solicitor’s Office or from the private sector.

The work of Solicitor’s Office includes the provision of legal advice to the department; work on new legislation, such as the Finance Bill and other Bills, and also subordinate legislation; and the department’s civil litigation. They are also responsible for corporate governance in the department and for the work of the Commissioner’s Advisory Accountant.

Previous roles in government

  1. Director

    • 2013 to 2014
  2. Director General, Professional Services

    • 2011 to 2014