Admitted as a lawyer in western Australia in 1974, Andrew worked as a corporate solicitor for the R&I Bank for 16 years before joining Summers Partners in 1991. In 1995, Andrew commenced as a sole practitioner in Morley under the name Andrew Lynn & Associates, which later became Lynn & Brown Lawyers and as June 2007 the firm Lynn & Brown ceased to trade and Lynn and Brown Lawyers Pty Ltd was incorporated.

Andrew has many years experience in finance and banking law, commercial, conveyance and administration law. He has provided advice to and served on various commercial and government boards and institutions. Andrew continues to be a fellow of the Australian Institute of Bankers and a member of the Taxation Institute of Australia.

He has previously served on the Commercial and Revenue Law Committee of the Law Society of western Australia for a number of years and works today in his current practice advising small to medium businesses in day to day legal matters.