The interlock ransomware group listed Semple & Cooper on its data leak site on 2025-05-21. Country: GB Sector: Financial Services Domains named: semplecpa.com Claim as published on the leak site: Semple, Marchal & Cooper, LLP is a leading regional Certified Public Accounting firm based in the Southwest, offering a range of professional services including accounting, auditing, tax planning, compliance, and management consulting. The firm is dedicated to serving various sectors such as technology, healthcare, retail, and non-profits, emphasizing innovation and personalized solutions for each client.