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About Us

Osman Accounting is a family owned and operated business, based out of London, Ontario, Canada. It was established by Mohammad Osman Yassine Over 40 years ago. Osman Accounting embraces a philosophy that prioritizes their clients as family, offering them comprehensive support in tax, accounting, and general business advice.


Mohammad Osman Yassine

Managing Partner

Establishing Osman Accounting Services in 1984, Mohammad has amassed approximately four decades of industry experience. He stands as a seasoned professional and a respected figure in the London community. Furthermore, Mohammad's expertise extends to personal tax, corporate tax, and notably, he has been manually preparing tax returns in London, Ontario, since before the advent of computers.

Osman Yassine

Senior Manager
Business Advisor and Tax Specialist

Having been part of Osman Accounting for 15 years, Osman boasts significant expertise in public accounting. He serves as an in-house authority in tax, accounting, and business advisory services. Additionally, he leads a proficient team of bookkeepers and tax preparers, contributing to the firm's comprehensive client offerings.

Shaan Syed, CPA

Associate Senior Manager
Associate Business Advisor and Tax Specialist

Shaan Syed brings a wealth of expertise to Osman Accounting as an internal consultant, business advisor, and tax consultant. With a background as an audit manager at a multinational firm, Shaan's experience encompasses a broad spectrum of financial services.

Lina AlNajjar

Senior Associate
Associate Business Advisor and Tax Specialist

We are excited to announce that Lina AlNajjar will be joining our team as a Senior Associate in February 2025. Lina brings extensive experience in tax advisory and accounting. Her expertise includes advising on personal, corporate, and trust taxation, ensuring compliance, and supporting clients with strategic tax planning. Lina is dedicated to providing expert guidance and supporting our clients with strategic tax planning as a valuable collaborator on our team!

Aurora Gavilanes

Jr Staff Accountant
In House Tax Specialist

Aurora Gavilanes is a valued member of our team, serving as our Jr. Accountant. With a robust background as an Administrative Assistant and Finance Associate, Aurora brings expertise in office management, communications, and organization. Her financial skills encompass preparing financial statements, budget planning, audits, and data management. Aurora is dedicated to delivering exceptional customer service, resolving inquiries, and maintaining precise financial records. Her contributions are integral to our success, particularly during the busy tax season, as she works directly with corporate and individual taxpayers.

Iman Baroudi

Staff Accountant
In House Bookkeeping and Payroll Specialist

Iman is a staff accountant at Osman Accounting Services. She is our in house expert when it comes to bookkeeping and payroll.

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