The core activity of Lexial is the provision of legal services, particularly in the field of European and international law. The core activities include: Traditional legal services such as criminal law, policy, economic law and labor law; Specialized services in the field of international mobility, including: Consulting on work permit issues; Consulting on professional immigration issues; Consulting on citizenship issues; Consulting on residence law in Belgium, France and Switzerland. The company has focused on these specialized services and has strong expertise in these areas.