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Entry · Accounting

Capital Maintenance

Capital maintenance is the accounting principle that a business has only made a profit once it has preserved the value of the capital it started the period with. Anything above that starting capital is profit; anything below it is a loss of capital rather than a poor trading result.

It is the quiet rule that decides what counts as distributable profit.

From the Money Master HQ dictionary, founded by Shihan Sheriff (FCMA, VP of Finance at Nomod, CFO at Esanjo Ventures). How these definitions are written.

What it means

The concept sits underneath every income statement, even though it is rarely named. Profit is defined as the increase in net assets over a period after stripping out money put in by owners and money paid out to them.

If the owners are no better off in capital terms, there is no profit to report. There are two main versions of the idea.

Financial capital maintenance measures capital in money terms, so profit is any increase in the money value of net assets. Physical capital maintenance measures capital as productive capacity, so profit only exists once the business can still produce the same volume of goods as before.

Financial capital maintenance itself splits into nominal and real. Nominal ignores inflation, while real adjusts the opening capital upwards by an inflation index before calculating profit.

In a high inflation year the two give very different answers, and the difference is credited to a capital maintenance reserve rather than reported as earnings. The practical use is in dividend and drawings decisions.

Company law in many jurisdictions bars distributions that would reduce capital below a protected level, precisely so that creditors are not paid out of the money that is supposed to sit behind their debt. Directors who ignore this can find a dividend declared unlawful after the fact.

The nuance to remember is that capital maintenance is a measurement choice, not a cash test. A business can satisfy nominal capital maintenance, report a healthy profit and still be quietly shrinking in real terms because replacement costs have risen faster than reported earnings.

In practice

Real-world examples.

1

Example

A haulage operator reports $140,000 of profit but discovers that replacing its ageing lorries now costs 20% more than the depreciation charged. Under physical capital maintenance a large slice of that profit was really needed to preserve capacity.

2

Example

A small law firm's partners want to draw the full year's surplus. Their accountant applies the capital maintenance test and shows that $60,000 of it merely restores capital eroded by an earlier bad debt write-off.

3

Example

A retailer operating in a high inflation market restates its opening capital before declaring a dividend. Nominal profit of $500,000 becomes $310,000 in real terms, and the board halves the proposed distribution accordingly.

Formula

Calculation

Profit = Closing net assets - Opening net assets - Capital introduced + Distributions to owners A trading company opens the year with net assets of $800,000 and closes with net assets of $950,000. During the year the owner injected $40,000 of new capital and took $30,000 of dividends. Under nominal financial capital maintenance: Profit = $950,000 - $800,000 - $40,000 + $30,000 = $140,000 Now apply real financial capital maintenance with inflation of 5%: Adjusted opening capital = $800,000 x 1.05 = $840,000 Profit = $950,000 - $840,000 - $40,000 + $30,000 = $100,000 The reported profit falls from $140,000 to $100,000. The missing $40,000 is not lost; it is transferred to a capital maintenance reserve because it was needed simply to keep the opening capital intact in real terms.

Case study

Seen in the real world.

Brindle Ceramics is an illustrative fictional pottery manufacturer used here purely to show the principle in motion. It began a year with net assets of $800,000 and finished with $950,000, having received $40,000 of fresh capital from a family member and paid $30,000 of dividends.

On a nominal basis the directors happily reported a $140,000 profit. Their auditor then pointed out that clay, glaze and kiln fuel prices had risen about 5% over the year, so preserving the same real capital required opening net assets to be restated at $840,000. On that basis the genuine profit was $100,000, and $40,000 belonged in a capital maintenance reserve.

The fictional board did not enjoy the conversation, but it changed their dividend policy. In later years they set distributions from real profit rather than nominal profit, which kept the workshop able to replace its kilns without new borrowing.

Watch out

Common mistakes.

  • Treating capital maintenance as a cash flow test. It compares net assets at two dates, so a business can pass it comfortably while running short of cash.
  • Forgetting to strip out owner contributions and distributions. Including them makes an injection of capital look like trading profit, which flatters performance badly.
  • Ignoring inflation in a high inflation environment. Nominal profit in those conditions often just represents capital that has to be reinvested to stand still.

Questions

People also ask.

What is the difference between financial and physical capital maintenance?

Financial measures capital in money terms, while physical measures it as the productive capacity the business can still deliver.

Does capital maintenance limit dividends by law?

In many jurisdictions yes, because company law prevents distributions that would reduce protected capital and leave creditors exposed.

Where does the capital maintenance adjustment go if it is not profit?

It is credited to a reserve within equity, so total equity is unchanged but the amount available for distribution is smaller.

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From the founder's library

Accounting Fundamentals: A Non-Finance Manager's Guide to Finance and Accounting, by Shihan Sheriff

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Last updated · October 8, 2026
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