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Financial modelling.net

Balance sheet

Making a balance sheet that balances

It appears that one of the most difficult things to do, for many financial model builders, is to include a balance sheet that remains in balance without 'cheating'.

The techniques used to make your balance sheet balance are relatively simple, and the discipline that a balance sheet imposes, gives the model an internal check on its integrity. I always recommend building in a balance sheet early in the model build process, and checking it after each change, to ensure that you have not left out an important element of your calculations.

Three elements to each transaction

In any financial transaction (eg a sale to a customer) there are basically three elements that affect the financial statements. The first is the accrual ie when the transaction is recognised – this is what goes into the profit and loss account. When you sell something, you recognise the value of the sale immediately, even if you don't receive the cash for several weeks. The second element is the cash, which is concerned with the actual transfer of funds, (eg when the bill is settled). The third element is the debtor or creditor, which is the difference between the accrual and the cash, and remains on the balance sheet until (in the above example) the cash position has 'caught up with' the accrual position.

Example of a debtor schedule:

 

Period 1

Period 2

Period 3

 

Opening balance

55

57

60

Carried forward from previous period

Additions

19

22

18

Sales in period (for P&L)

Payments

(17)

(19)

(22)

Cash received

Closing balance

57

60

56

Balance sheet value

Cash movement

2

3

(4)

*value for reconciliation of operating profit to cash

*The cash received figure is the actual cash flow, but if you are producing an FRS1 style cash flow statement, with a reconciliation of operating profit to cash flow, showing movement in debtors, the cash movement line at the bottom of the example is the figure to use.

For examples of techniques for dealing with these three elements to financial transactions download the examples workbook.  This should enable you to build financial models, without the need to 'fix' the balance sheet. The balance sheet will then cease to be a 'nightmare' and become a valuable check on the integrity of your model. 

Check sums

Wherever you have an opportunity to put in a calculation to check that the calculations in your flow of logic are correct, it is well worthwhile to do so.  It is so easy to leave a row out of a sum formula or other similar mistakes; make it a habit to constantly check your work by building in check sums and other appropriate cross-checks. Excel also shows a value in the status bar; which gives information about the current selection (highlighted cells). By default this will show the sum of all the currently selected cells.  This can be a valuable check as you are building formulae, that you have not made a 'slip of the mouse', and that the sum, average etc of a range of values is what you would expect it to be.

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