Membership to the Chamber of Commerce, Industry and Agriculture of Beirut and Mount Lebanon is not compulsory and is open to Lebanese and foreign companies on a voluntary basis, considering that they are registered based on the Lebanese Commercial Law and have their headquarters within the geographical zone pertaining to the Chamber.

The Chamber provides membership and certification services for member companies, including membership certificates, certification of invoices related to exported goods, certificates of origin, authentication of signatures pertaining to member companies’ representatives.

Because of the Chamber's distinction in adopting the highest quality standards in providing services and in issuing certificates in accordance with international regulations, the Chamber obtained the accreditation of the International Chamber of Commerce (ICC) in issuing certificates of origin and became a member of the International Chain of Certificates of Origin.