Sinclair Wilson - Warrnambool Office

Sinclair Wilson was founded in 1950 as an accounting firm with two partners. It is one of the 50 largest accounting practices in Australia, with 23 Principals overseeing more than 140 staff. The firm provides services across South-West Victoria and South-East South Australia, with offices in Camperdown, Colac, Hamilton, Mortlake, Mount Gambier, Port Fairy, Terang, Timboon and Warrnambool.

Sinclair Wilson offers Taxation, Business, Strategic Financial Planning, Self-Managed Superannuation, Assurance & Audit, and Finance and Lending services. It announced new Partners Ebonie, Olga and Simone. In August 2025, it opened a new Hamilton office.

Tax preparation, mortgage broking and financial planning form the core of the work handled by this Warrnambool firm, and the feedback from clients points to a dependable and professional service across those areas. Several customers describe prompt responses to their questions and returns completed without unnecessary delay. The technical knowledge within the team is a point that comes up often, with named staff members including Cindy Brown, James, Josh, Blessing, Andrew Morris and Mark Robson each acknowledged for their professionalism, patience and helpful manner.

Small business owners are well represented among the comments, particularly those who have relied on the practice for personal accounts alongside the accounting needs of trades and electrical businesses, and who describe the ongoing relationship as reliable. The remote support and online systems available are repeatedly mentioned as a practical convenience that makes financial dealings straightforward. Clients also appreciate the advice they receive on tax matters and human resources consulting, and note being kept informed from the first call through to settlement. Caring attitudes and timely completion of work complete the consistently positive account.