Allen is a chartered accountant and partner with Meyers Norris Penny, specializing in family farm accounting, taxation and intergenerational transfer issues. Besides his accounting practice, Allen and his wife are active partners in Tannadice Farms Ltd., a commercial pork, beef and chicken operation that caters to local markets.

As a member of the George Morris Centre, the Canadian Association of Farm Advisors, as well as provincial and national Institutes of Chartered Accountants, Allen is a knowledgeable practitioner on farm taxation and estate planning.