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14 Types of Business Assumption

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Business assumptions are things that you assume to be true for the purposes of developing a strategy, making decisions and planning. These are commonly documented in business plans, business cases, project charters and action items. Business occurs in an uncertain environment such that assumptions always need to be made to move forward with a strategy. The following are common types of business assumptions.


Basic financial assumptions such as access to capital.


The assumption that key talent will be available and engaged.


Dates that need to be met for your strategy to succeed. For example, an assumption that you will be able to design a new product within 3 months.


Assumptions about customer needs, perceptions and other factors such as purchasing behavior. This can be included as an assumption even if you have run tests and have strong data.


How competitors or market conditions could disrupt your plans. For example, an assumption that market prices will remain relatively stable. Assumptions are typically required to be both realistic and conservative. For example, if prices are regularly falling by 3% a year, an assumption of 4% or 5% might be appropriate.


Technology assumptions such as the feasibility of a technology or its success in the market.


Marketing assumptions such as the ability to attract channel partners.


The assumption that you will be able to develop new business capabilities and know-how as an organization. For example, the assumption that you can learn to manufacture something when you're never manufactured anything in the past.

Facilities & Infrastructure

The assumption that you will be able to procure facilities such as office space and infrastructure such as an adequate power supply from a grid.


The ability to find required supply partners and procure required machines, devices, supplies, parts and materials in a timely and cost effective manner.

Economic & Political

Assuming a stable economy and political environment.

Interest Rates & Exchange Rates

If you perform any calculations using assumed interest rates and exchange rates, state the assumed rate.

Compliance & Regulatory

Assumptions about laws, regulations, standards and related administrative processes. For example, the assumption that you will have a required license approved.


Legal assumptions such as the anticipated outcome of a legal process.


Business assumptions are statements that a business holds true for some practical purpose. These are used to shape strategy, planning, tasks and activities and to set expectations for what will be done and what is out-of-scope.


In some cases, brainstorming assumptions leads to new ideas and improvements in strategy. The process of documenting assumptions can also have value in identifying risks.
Summary: Business Assumptions
Definition (1)
Things that you assume to be true for the purposes of developing a strategy, making decisions and planning.
Definition (2)
The process of managing uncertainty by choosing reasonable assumptions as a basis for strategy, decision making and planning.
Related Concepts
Next: Examples of Assumptions
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