Members comprise a variety of large, medium and small firms. They are expected to:

• Be interested in, and able to contribute to, international activities
• Be prepared to attend local area and international meetings and participate in and support MGI through contributions of their time
• Be of a size which is generally compatible with that of the other MGI members
• Be able to provide the highest quality work, according to local and national conditions
• Be knowledgeable on all aspects of their home country's profession, commerce, politics and economy
• Be capable of dealing with clients currently or potentially involved in international business transactions
• Respond promptly to inquiries from other MGI members or requests for information from the secretariat

Members must:

• Refer any of their clients wishing to do business in a country in which MGI is represented to the local MGI member, provided that the local member is capable of providing the services required and that the client has not stipulated that another firm be used
• Pay their association fees promptly and pay any service fees due to other members promptly
• All potential members must pass a practice review programme (PRP), carried out by an existing MGI member, before being invited to join MGI