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Dennis Munn, Principal, Business Advisory

Dennis Munn

Principal, Business Advisory

On 27th January 2026 we were deeply saddened by the unexpected passing of our colleague and friend, Dennis Munn.

Dennis joined William Buck in April 2019 after working alongside several of our partners for many years at O’Halloran HMT.

Over his career spanning 50 years, Dennis advised generations of families and businesses. Some clients fondly recall knowing him since childhood when he would attend family meetings with their parents and grandparents. Dennis built an extensive and diverse client base, underpinned by enduring relationships and deep trust. Following his passing, we received many heartfelt calls and messages from clients describing him as practical, sensible, friendly, calm, responsible, reliable, trustworthy and respected. He gave the same care, support and time to all his clients, regardless of their size.

Dennis’s remarkable memory and recall of decades-old details were legendary and his ability to respond quickly and thoughtfully to any enquiry was deeply valued by clients and colleagues alike. To his team, Dennis was not only a trusted advisor but also a generous mentor and a true friend.

He will be greatly missed around the office, for his sage advice, his quirky sense of humour and the warmth he brought to those around him. Dennis’s contribution to our firm, his clients and the profession will be remembered with respect, gratitude and affection.

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