Isabau: what changed
Two financial years side by side, explained: what moved most in the balance sheet and the result, why the result rose or fell, and where the money went.
What changed
Isabau
NACE 71.121, Engineering and related technical consultancy, excluding land surveyors
financial year 2024 against 2025filed annual accounts (NBB)
Net result for the year
€358
2024 · €248+€110
Equity
€1.1m
2024 · €1.1m+€358
Cash
€101,300
2024 · €126,073-€24,774
Balance sheet total
€3.7m
2024 · €3.9m-€213,849
Largest movements
Assets
- Tangible fixed assets -€303,582
down €303,582 (-8.5%), from €3.6m to €3.3m
of which Land and buildings: -€287,966
- Financial fixed assets +€144,172
new in 2025: €144,172
- Stocks and contracts -€42,000
down €42,000 (-100.0%), from €42,000 to €0
Equity and liabilities
- Other debts -€350,370
down €350,370 (-45.6%), from €769,140 to €418,770
- Debts after one year +€278,640
up €278,640 (+16.3%), from €1.7m to €2.0m
of which Other amounts payable: +€384,440
- Advances received -€158,830
down €158,830 (-100.0%), from €158,830 to €0
Income statement
- Gross operating margin +€23,631
up €23,631 (+13.5%), from €175,519 to €199,150
- Other operating charges +€19,249
up €19,249 (+118.1%), from €16,294 to €35,544
- Financial charges +€12,146
up €12,146 (+40.7%), from €29,810 to €41,956
- Staff costs -€4,898
down €4,898 (-93.5%), from €5,237 to €339
- Depreciation -€3,364
down €3,364 (-2.7%), from €123,699 to €120,335
From the 2024 result to the 2025 result
Each bar is the change in one income-statement line, as its effect on the result: higher costs pull it down, higher income lifts it.
Result 2024
€248
Gross operating margin
+€23,631
Staff costs
+€4,898
Depreciation
+€3,364
Other operating charges
-€19,249
Financial income
-€321
Financial charges
-€12,146
Taxes
-€66
Result 2025
€358
Cash bridge derived
Derived from the 2024 and 2025 balance sheets and the 2025 result: not a filed cash-flow statement. It shows where the money came from and went.
From operations
-€353,748
Investment
+€44,229
Financing
+€284,746
Cash 2024
€126,073
From operations (derived)
-€353,748
Net result for the year
+€358
Depreciation
+€120,335
Receivables after one year
-€12,171
Stocks and contracts
+€42,000
Receivables within one year
-€6,850
Deferred charges and accrued income
+€1,532
Trade debts
+€7,706
Tax, wage and social debts
+€5,634
Advances received
-€158,830
Other debts
-€350,370
Accrued charges and deferred income
-€3,093
Investment (derived)
+€44,229
Investment in fixed assets (net)
+€44,229
Financing
+€284,746
Debts after one year
+€278,640
Current portion of long-term debt
+€6,106
Cash 2025
€101,300
Every line side by side
| Line | Code | 2024 | 2025 | Change | % |
|---|---|---|---|---|---|
| Total assets | 20/58 | €3,915,593 | €3,701,744 | -€213,849 | -5.5% |
| Formation expenses | 20 | €125,794 | €120,640 | -€5,154 | -4.1% |
| Fixed assets | 21/28 | €3,572,020 | €3,412,611 | -€159,410 | -4.5% |
| Tangible fixed assets | 22/27 | €3,572,020 | €3,268,438 | -€303,582 | -8.5% |
| Land and buildings | 22 | €3,538,799 | €3,250,832 | -€287,966 | -8.1% |
| Plant, machinery and equipment | 23 | €8,092 | €4,752 | -€3,340 | -41.3% |
| Furniture and vehicles | 24 | €25,130 | €12,854 | -€12,276 | -48.9% |
| Financial fixed assets | 28 | - | €144,172 | +€144,172 | |
| Current assets | 29/58 | €217,778 | €168,493 | -€49,285 | -22.6% |
| Amounts receivable after more than one year | 29 | €23,040 | €35,211 | +€12,171 | +52.8% |
| Trade receivables | 290 | €23,040 | €35,211 | +€12,171 | +52.8% |
| Stocks and contracts in progress | 3 | €42,000 | €0 | -€42,000 | -100.0% |
| Contracts in progress | 37 | €42,000 | €0 | -€42,000 | -100.0% |
| Amounts receivable within one year | 40/41 | €12,650 | €19,499 | +€6,850 | +54.1% |
| Trade receivables | 40 | €12,650 | €19,499 | +€6,850 | +54.1% |
| Cash at bank and in hand | 54/58 | €126,073 | €101,300 | -€24,774 | -19.7% |
| Deferred charges and accrued income | 490/1 | €14,016 | €12,484 | -€1,532 | -10.9% |
| Total equity and liabilities | 10/49 | €3,915,593 | €3,701,744 | -€213,849 | -5.5% |
| Equity | 10/15 | €1,124,972 | €1,125,330 | +€358 | 0.0% |
| Contributions | 10/11 | €1,091,088 | €1,091,088 | = | 0.0% |
| Reserves | 13 | €33,833 | €34,241 | +€408 | +1.2% |
| Non-distributable reserves | 130/1 | €1,481 | €1,481 | = | 0.0% |
| Reserves not available under the articles | 1311 | €1,481 | €1,481 | = | 0.0% |
| Distributable reserves | 133 | €32,352 | €32,760 | +€408 | +1.3% |
| Profit (loss) carried forward | 14 | €50 | €0 | -€50 | -100.0% |
| Amounts payable | 17/49 | €2,790,621 | €2,576,414 | -€214,207 | -7.7% |
| Amounts payable after more than one year | 17 | €1,712,290 | €1,990,930 | +€278,640 | +16.3% |
| Financial debts | 170/4 | €1,712,290 | €1,606,490 | -€105,800 | -6.2% |
| Other amounts payable | 178/9 | - | €384,440 | +€384,440 | |
| Amounts payable within one year | 42/48 | €1,056,455 | €566,701 | -€489,754 | -46.4% |
| Current portion of amounts payable after more than one year | 42 | €97,861 | €103,967 | +€6,106 | +6.2% |
| Trade debts | 44 | €14,663 | €22,369 | +€7,706 | +52.6% |
| Suppliers | 440/4 | €14,663 | €22,369 | +€7,706 | +52.6% |
| Advances received on contracts in progress | 46 | €158,830 | €0 | -€158,830 | -100.0% |
| Taxes, remuneration and social security | 45 | €15,961 | €21,595 | +€5,634 | +35.3% |
| Taxes | 450/3 | €15,961 | €21,595 | +€5,634 | +35.3% |
| Remuneration and social security | 454/9 | €0 | - | = | |
| Other amounts payable | 47/48 | €769,140 | €418,770 | -€350,370 | -45.6% |
| Accrued charges and deferred income | 492/3 | €21,876 | €18,783 | -€3,093 | -14.1% |
| Remuneration, social security and pensions | 62 | €5,237 | €339 | -€4,898 | -93.5% |
| Depreciation of and write-downs on formation expenses, intangible and tangible fixed assets | 630 | €123,699 | €120,335 | -€3,364 | -2.7% |
| Other operating charges | 640/8 | €16,294 | €35,544 | +€19,249 | +118.1% |
| Gross operating margin | 9900 | €175,519 | €199,150 | +€23,631 | +13.5% |
| Operating profit (loss) | 9901 | €30,289 | €42,933 | +€12,644 | +41.7% |
| Financial income | 75/76B | €321 | €0 | -€321 | -100.0% |
| Recurring financial income | 75 | €321 | €0 | -€321 | -100.0% |
| Financial charges | 65/66B | €29,810 | €41,956 | +€12,146 | +40.7% |
| Recurring financial charges | 65 | €29,810 | €41,956 | +€12,146 | +40.7% |
| Profit (loss) for the period before taxes | 9903 | €801 | €977 | +€176 | +22.0% |
| Income taxes | 67/77 | €553 | €619 | +€66 | +12.0% |
| Profit (loss) for the period | 9904 | €248 | €358 | +€110 | +44.5% |
| Profit (loss) for the period to be appropriated | 9905 | €248 | €358 | +€110 | +44.5% |
Source: filed annual accounts (NBB), financial years ended 30 September 2024 and 30 September 2025. Colour: green is a favourable move for that line, red an unfavourable one. Prepared on 10 October 2026 via checked.be.