What is the meaning of ATC? Posted on April 25, 2018 by atcpm 0 ATC stands for Astute Trainers and Consultants Limited. ATC is registered training provider in Lagos, Nigeria. We also provide consulting services to organizations both in the private and public sector. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.