How do consulting companies charge consulting fees?

Consulting fee refers to the remuneration paid by the entrusting party to obtain the opinions or suggestions of consultants or companies on related matters. For example, pay consulting fees for consulting lawyers or law firms, and pay consulting fees for consulting tax agents on related tax issues. Such professionals or institutions, such as accountants (firms), doctors, pharmacists, chemists, teachers, managers, marketing planners, advertising planners, ISO consultants, etc. And the information fee paid to those who can provide relevant information without relevant titles recognized by the state can also be included in the consulting fee. Consulting fees are generally priced according to the income generated by consulting questions. The proportion varies from time to time and from person to person, ranging from 50% to 10%.