Business Financial Terminology

Return on Investment

Also known as: ROI

Definition

Return on investment compares a defined financial return with the cost of an investment, usually expressed as a percentage.
Author:
Sorbus Finance
Reviewed by:
Arran Turner, 11 November 2026
Published:

How return on investment works

A simple version divides net benefit by investment cost. The calculation needs a stated timeframe and a clear treatment of running costs, tax, finance costs, residual value and any assumptions about additional sales or savings.

Practical UK business example

A firm estimates that a £40,000 machine will generate £10,000 of annual net operating benefit before financing and tax. That is a 25% simple annual return on that particular basis, not a guaranteed result.

Illustrative example only; not a finance quotation or a client case study.

Why it matters

It can support comparison of investment options when assumptions are consistent and sensitivity to lower benefits is tested.

Limitations and common misconceptions

ROI is not the same as payback period or cash available for repayments. A favourable forecast does not guarantee the investment’s performance or finance approval.

Explore asset finance to discuss how the structure relates to your business.

Further reading from Sorbus Finance

References

  1. GOV.UK: company and accounting records

This definition is general information for UK businesses, not personal advice. Lender criteria and product terms vary. Sorbus Finance is a broker, not a lender.

Related finance resources (1)
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