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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

Osman Yassine has been part of Osman Accounting since 2007, 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

Lina Alnajjar provides expert support to our team as a Senior Associate. 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

Experienced Accountant
In House Tax Specialist

Aurora Gavilanes is an experienced accountant and a valued member of our team. She is skilled in payroll, corporate tax, and personal tax, with a strong foundation in financial reporting, audits, and compliance. Aurora combines technical expertise with excellent organizational and communication skills, ensuring accuracy and efficiency in every engagement.Her professional background in administration and finance enhances her ability to manage client needs, streamline processes, and maintain precise records. Aurora’s positive attitude and dedication to client service make her an integral part of our firm’s success, particularly during demanding periods such as tax season.

Hannan Yassine

Junior Accountant
In House Tax Specialist

Hannan Yassine is a Junior Accountant and a valued member of our team. She assists in in corporate tax, personal tax, bookkeeping, and HST compliance. Hannan brings a high level of attention to detail and organization to her work, ensuring accuracy and efficiency across engagements. She is proficient in supporting payroll processes, maintaining clean and reliable financial records, and assisting with client deliverables in a timely and professional manner. Hannan’s strong communication skills and dependable approach make her a great first point of contact when clients call in for assistance and inquiries.

Iman Baroudi

Staff Accountant
In House Bookkeeping and Payroll Specialist

Iman Baroudi is a Staff Accountant at Osman Accounting Services. She is our in-house expert when it comes to bookkeeping and payroll. Iman also plays a key role in coordinating administrative duties, assisting with client intake and onboarding, and supporting workflow management across the firm. Her strong organizational skills and attention to detail help ensure client files, bookkeeping records, payroll processes, and internal operations are handled efficiently and professionally.

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