The private sector employs and undertakes the works that involve vulnerable migrant workers who are at risk of exploitation. The influential role of clients, process of selecting contractors and methods of assessments of worker living and working conditions shall be examined. This paper aims to provide insights in how the private sector can be utilized as an effective, powerful player in ensuring the rights of workers. Critically, private sector entities have the ability to seek remediation of violations of worker rights and can play a key role in ensuring access to justice for victims outside of traditional labor courts. The paper focuses on the construction and service industry in the Middle East, especially the Gulf states, and includes workers undertaking low-income and/or physical labor and generally living in group labor accommodation.