Top Accounting Firms in Ottawa Canada - June 2026

Welch LLP provides comprehensive accounting, tax, and advisory services. Known for their deep local roots and industry expertise, they offer personalized strategies for businesses of all sizes, ensuring regulatory compliance and financial growth.

MNP is a leading national accounting firm providing tailored business solutions. Their Ottawa team specializes in tax planning, risk management, and corporate finance, helping clients navigate complex financial landscapes effectively.

Collins Barrow Ottawa offers high-quality assurance, tax, and advisory services. They are committed to delivering proactive advice and smart solutions that help businesses manage their tax liabilities and optimize operations.

Stern Cohen provides a boutique approach to accounting and tax services. They focus on building long-term relationships with entrepreneurs, offering customized financial guidance and sophisticated tax planning strategies.

GGFL is dedicated to helping Ottawa-based private enterprises thrive. With specialized teams in real estate and professional services, they offer insightful accounting and tax strategies tailored to local market needs.

Lipton LLP provides a robust suite of financial services. Known for their technical expertise and integrity, they assist clients in navigating regulatory requirements while providing sound business advice for long-term growth.

FMC offers a personal touch with professional-grade accounting services. They excel at helping small businesses manage bookkeeping, payroll, and corporate tax filings with ease and precision.

Marcil Lavallée provides bilingual accounting and tax services tailored to the Ottawa-Gatineau region. Their team is dedicated to offering strategic financial guidance for business owners and individuals.

Hendry Warren LLP brings a proactive approach to financial management. Their team specializes in tax minimization strategies and comprehensive business advisory, ensuring clients remain financially sound throughout the year.

Padgett focuses on the needs of small business owners. They offer streamlined bookkeeping, payroll, and tax preparation services, allowing entrepreneurs to focus on running their operations while experts handle the finances.

Baker Tilly provides extensive financial and advisory services backed by a global network. They offer deep industry expertise to help Ottawa-based firms manage risks and capitalize on growth opportunities.

Clearline CPA leverages modern technology to provide efficient and accurate accounting solutions. They are a great choice for tech-forward businesses looking for a partner that values speed and accessibility.

While primarily a financial institution, their business services division offers top-tier accounting and corporate tax advisory, making them a one-stop-shop for established enterprises in Ottawa.

Kreston Ottawa provides high-quality assurance and consulting services. They cater to international business needs while maintaining a local focus, ensuring all client requirements are handled with global standards.

BDO Canada delivers exceptional client service through a deep understanding of local Ottawa industries. They offer everything from standard bookkeeping to complex tax restructuring for large corporations.