goldWissam is a gold member
MOTY 2021Wissam was Member of the Year winner in 2021
Exclusive IR Global advisor for Tax (Accountants) in Lebanon since 2013 and committee member for MENA group

Wissam Abousleiman

Managing Director, Abousleiman & Co

+961 1 571093


For over two decades, Wissam has actively led complex assignments spreading from audit & assurance to business valuation & restructuring, due diligences for M&A deals & tax advisory for cross border structures & transactions. In total, he has serviced clients with cumulative assets worth more than 18B US$, turnover around 500M US$, total employees in the several hundred & funded projects by the World Bank, EU, ILO & other UN agencies. His current strategy focuses on expanding the firm’s activities beyond Lebanon within Europe and the MENA region as the chair for the IR MENA group.

Wissam always pursues his assignments with an analytical risk-based approach, giving great attention to good governance, ethical & socially responsible practices as well as the application of professional standards & the execution of work in the most productive & constructive manners to create value for the client.

Having a strong belief in the need for continued education, he has developed a number of far-reaching diploma programs based on good governance practices and responsible citizenry, among which include an 8-course Tax Diploma Program for the American University of Beirut’s Continuing Education Center on international tax concepts and the Lebanese tax system. Apart from that he has lectured in a wide range of workshops & seminars on professional standards (IFRS, IPSAS, ISA), advanced accounting, compliance reporting, strategic budgeting, taxation, etc & has been a guest speaker & panelist at several professional events in Lebanon, UAE & Malta on global & regional trends connected with tax developments, anti-money laundering, Islamic finance & other compliance related matters.

Wissam is a Lebanese certified public accountant (LACPA) and member of the IIA – Lebanon Chapter where he serves on the Corporate Governance Committee. He graduated from the Lebanese University – Faculty of Business Administration in Accounting and Finance where he obtained his Maitrise degree and thereon pursued an MBA from the Lebanese American University (LAU).

Wissam has been practicing martial arts for some 18 years and holds a 3rd degree black belt in Shotokan Karate-Do. He is also an instructor, teaching at several clubs, a licensed judge, and an active competitor.

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About Abousleiman & Co

Abousleiman & Co

Abousleiman & Co. celebrated its 50th year in 2021 and the Firm remains committed as ever to maintaining high moral standards and ethical values with the constant aim to create added value to its clients.

Firm Philosophy

The end results are outcomes of the manner in which we conduct ourselves. Therefore, careful, and diligent planning are key concerns in undertaking any assignment just as much as in the engagement are constructive work attitudes, strong values, critical and creative thinking, and commitment to professional standards and best practices. Finally in the reporting, transparency and disclosure are the final attributes to give clarity and the necessary information for concerned persons to make optimal decisions and take proper actions. These constitute our core work ethics, foundations, and approaches towards any technical assignment undertaken by our Firm.


The Firm’s focus areas are in audit & assurance, accounting, tax advisory, business valuations & restructuring, risk management, M&A advisory, and good governance practices where we have serviced an extensive client list that includes entities & institutions in private, public & non-for-profits sectors as well as internationally financed donor programs. We have worked in multiple industries and utilized our experience on many assignments for clients with cumulative assets worth more than 18B US$, turnover around 500M US$ and total employees in the several hundred.

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Exclusive IR Global advisor for Tax (Accountants) in Lebanon

Gemmayze | Mar Nicolas Sector | Boutrous Dagher Str. | Impasse 24 | ElShaftary Bldg. | 3rd Flr P.O. Box 113/5512 Beirut