About
Trillium Bookkeeping and Accounting is a locally owned bookkeeping and accounting company based in London, Ontario, serving small businesses, owner-operators, and medium-sized corporations throughout the region. Established in 2006â2007, the company focuses on simplifying bookkeeping and accounting processes through modern, paperless financial systems and technology-driven solutions. Their services include monthly bookkeeping, payroll processing, HST filing, WSIB management, payroll tax remittances, accounts payable and receivable support, tax preparation, financial reporting, QuickBooks and Sage training, and year-end preparation. Trillium also offers advisory and HR support services to help businesses improve organization and financial clarity. The company emphasizes reliable customer service, transparency, and helping business owners reduce stress by handling ongoing financial obligations and compliance requirements.
