SINGAPORE, Sept. 3, 2025 /PRNewswire/ -- 51Talk Online Education Group ("51Talk" or the "Company") (NYSE American: COE), a global online education platform with core expertise in English education, today announced that on August 29, 2025, the audit committee of its board of directors and the board of directors have approved the dismissal of Marcum Asia CPAs LLP ("Marcum") as its independent registered public accounting firm, effective immediately, and the engagement of Ernst & Young LLP as the Company's new ...