Changlong Zhu

Changlong is the Founder and Managing Director of PTB Accounting Limited. He began his professional career with JPA Brenson Lawlor in Dublin, where he trained in audit and progressed from Audit Trainee to Senior Accountant. He subsequently joined ICON plc in a financial reporting role, with responsibility for group entities in France and Germany.

He later returned to JPA Brenson Lawlor as a Manager before establishing PTB. His experience spans audit, accounting, financial reporting, tax and business advisory across both professional practice and multinational environments.

Today, Changlong advises owner-managed businesses, professionals and international companies operating in Ireland, with particular experience in cross-border accounting, tax and compliance matters. At PTB, he leads client relationships and advisory engagements with a focus on practical, commercially grounded advice and responsive, partner-led service.

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