Difference Between Internal Communication and External Communication

Main difference

The main difference between internal communication and external communication is that internal communication is when members of an organization exchange ideas within the organization while external communication occurs outside the organization with other people or business entities.

Internal communication versus external communication

The purpose of internal communication is to exchange information or ideas between the members of a particular organization and the purpose of external communication is the exchange of information or ideas outside the particular organization. Internal communication is specific to the members of the organization, while external communication is done without the members. Internal communication can be done with the business partners of the same company, while external communication is the communication of an organization or company with the outside world. Internal communication is a well-implemented way of strengthening the bond between the staff of the same organization and external communication is important to make a brand or business respectable. Internal communication provides motivation to the members of the organization while external communication drives the growth of a brand in general with the masses. To increase coordination, productivity and loyalty between staff members of the same organization or business, internal communication is necessary and to increase the value of a business with other brands or organizations; external communication is important.

Comparison chart

Internal communication external communication
It occurs between staff members of the same business, brand, organization or company. It takes place between an organization, business, brand or company and an external organization.
Transmission of information between different departments and business units Maintains relationship with third parties
To form
casual and formal Formal
High Under
Within the organization. Outside the organization.
What is internal communication?

Internal communication is a type of communication that exchanges different types of messages, information and facts. You can also communicate opinions. It is mainly carried out within various units of an organization, trademark, etc. It is done for commercial purposes. Internal communication can occur between departments, individuals, units, or even groups. There are two types of internal communication: formal and informal internal communications. The first goes through well defined and predefined channels. While the latter arises from personal and social needs and flows in all kinds of directions. This type of communication is responsible for disseminating and establishing the objectives of an enterprise, developing plans to achieve them.


This mode of communication consists of presentations, announcements, videoconferences, memos, circulars, agenda, manuals, seminars, meetings, fax, etc.

What is external communication?

It can be defined as an exchange of information between a company and any other external company or individual. Generally, this form of communication is well documented. External communication determines the criteria for connecting with the external environment or the business of a particular company or organization. The external environment could consist of customers, investors, society, government agencies, distributors, suppliers, and even the general public. The main objective of external communication is to boost the reputation of a brand, advertise events, products and services. Sales are also promoted and patronage is also generated. Such communication leaves a great influence on the minds of the stakeholders, as they give their opinion about the brands.


Emails, posters, advertisements, newsletters, brochures and different multimedia formats.

Key differences

  1. Internal communication refers to the communication that occurs between the participants who are within an organization or company. External communication refers to the form of communication that takes place between an organization and other entities, organizations or groups.
  2. Internal communication has participants who are members of the company’s management (employees) while external communication occurs with external investors, shareholders, customers, clients, creditors, the general public and suppliers, etc.
  3. Internal communication tends to flow within the organization, while external communication flows externally to other environments.
  4. Internal communication aims to transmit ideas between the different departments and business units of an organization. In contrast, external communication pays attention to maintaining the relationship or exchanging information with external parties.
  5. Internal communication is both informal and informal. External communication is mostly documented and formal.
  6. Internal communication has a higher frequency than external communication.

Final Thoughts

In conclusion, both internal and external communication is crucial to improve any business. They are also important for a business to function effectively. Internal communication informs and motivates people to work hard for the success of your company or organization. It also serves as a targeting tool. While external communication deals with promoting a great image of a brand or business to the public.

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