This essay aims to investigate how the work environment law is structured and the employer's legal responsibility when it comes to the working environment in businesses corporations concerning horses. As the essay also examines how far the legal responsibility goes, the sanction system in Swedish legislation will also be considered. The legal-judicial method constitutes the basis for this work in the choice of material and approach. In conclusions the work environment law is designed in several steps to ensure that all workplaces are subject to the rules, but also to ensure that the rules of all member states can be dealt with in terms of the technological and social development of our society. This furthermore implies that the employer's responsibility is extensive. It and covers taking all measures required for preventive responsibility but also carrying responsibility for accidents arising from investigating and taking action. And finally, it covers criminal liability if the employer failed to comply with his obligations to the Work Environment Act.