Association of Corporate Counsel | 100,562 followers on LinkedIn. ACC is the world's largest organization dedicated to in-house counsel, with more than 48,000 members in 117 countries. | The Association of Corporate Counsel (ACC) is the world’s largest community of in-house counsel, serving the professional and business interests of lawyers who practice in the legal departments of corporations, associations, and other organizations around the globe. Interested in working at ACC? Visit http://bit.ly/CareersAtACC for a list of our current openings.