External factors are beyond the control of a firm and its success depends on its adaptability of the environment. These are a few factors that will impact marketing.

1. FACTORS AFFECTING
MARKETING:
EXTERNAL
ENVIRONMENTAL
FACTORS
The environmental
factors that are in
proximity
This influences the
company’s non-
capacity to produce
and serve the market
These factors are
external to the
company and are
uncontrollable
They do not affect the
marketing ability
directly but they do
influence marketing
decisions indirectly
Customers Classification:
Ultimate Customers
Industrial Customers
Resellers
Government and Other Non-
profit Customers
International Customers
Competitors
Public
Market Intermediaries:
Every producer has to
have intermediaries for
promoting, selling and
distributing the goods
and service to the
ultimate consumers
Physical Forces:
These include
earth’s natural renewal and
non-renewal resources
Both of these components
quite often change the level
and type of resources
available to a marketer for
production
Demographic Factors:
They are uncontrollable
but accurate forecasts
enable marketers to
forecast future trends and
consumption of their
product
M I C R O V S . M A C R O
E N V I R O N M E N T
EXTERNAL FACTORS ARE BEYOND THE CONTROL OF A FIRM, ITS
SUCCESS DEPENDS ON ITS ADAPTABILITY OF THE ENVIRONMENT
Suppliers:
The suppliers to a firm can
also alter their competitive
position and marketing
capabilities
These are raw material
suppliers, energy suppliers,
suppliers of labor and capital
Social and Cultural Forces:
These refer to the structure
and dynamics of individuals
and groups and their
behaviors
It includes: beliefs, thought
patterns and lifestyles, etc
Many of this trends affect
marketing operations
Micro- Environment Macro- Environment
Source: https://ebstudies.wordpress.com/2012/07/19/various-environmental-factors-affecting-marketing-function/