The Public Company Accounting Oversight Board (PCAOB) has sanctioned Marcum Asia CPAs, a firm headquartered in New York, US, for failing to comply with auditing standards and PCAOB rules. The disciplinary order relates to the firm's actions during its tenure as the auditor for Gridsum Holding, a Beijing-based company, and the subsequent transfer of workpapers to a successor auditor, Shandong Haoxin Certified Public Accountants in China. Marcum Asia CPAs, previously known as Marcum Bernstein & Pinchuk, wa ...