In 1992 he became the director of Legal Services for Teamsters Canada (Local 31), a position he held until his election to the House of Commons in 2008.

In this capacity, Davies represented workers and the union at arbitration panels and before both provincial and federal labour tribunals.

[2] Davies also served on numerous public bodies to improve occupational health and safety and deliver more efficient regulatory systems in the transportation sector.

[4] This legislation included bills to establish universal pharmacare, a national school nutrition program, and free tuition for students with diverse needs.

Davies maintained a stance against the extradition of Meng Wanzhou since her arrest in Vancouver in 2018, claiming political interference in the case by U.S. president Donald Trump.