Catharine E. Williams Professional Corporation

About Catharine E. Williams Professional Corporation

Catharine E. Williams Professional Corporation is an accounting firm located on Waterloo St in central London, Ontario. It provides tax and accounting services to corporations, individuals, and estates in the retail, manufacturing, and professional industries. The firm provides corporations with year-end financial statements, corporate tax returns, year-round tax planning, and financial advice. It offers in-house bookkeeping using QuickBooks Online or QuickBooks Desktop, ranging from answering specific questions to acting as an outsourced finance department. For individuals, the firm handles personal tax returns for the self-employed—including rental property owners, commissioned salespeople, counsellors, and consultants—as well as final returns for the deceased, Henson Trust returns, and estate tax services for executors. Catharine Williams is a London native who leads the firm. She has over 25 years of experience as a CPA and more than 15 years running her own practice. She earned her accounting education at Wilfrid Laurier University and obtained her Chartered Accountant designation while training at Deloitte in London. Her professional background includes roles at Westinghouse Canada, the Middlesex-London Health Unit, and a family manufacturing business. The office is located in a building with an elevator that accommodates most wheelchairs, walkers, and strollers. Free parking is available on-site. The building features a mail slot for package drop-offs. The firm does not provide audits, corporate reviews, support for farmers, long-haul truckers, or general contractors, and is not currently accepting charity, not-for-profit, or partnership clients.