ISB BUILDING TECHNICS: 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
ISB BUILDING TECHNICS
NACE 43.222, Installation of electric heating, air conditioning, cooling and ventilation
financial year 2025 compared with 2024filed annual accounts (NBB)
Net result for the year
€866,631
2024 · €998,444-€131,813
Equity
€2.7m
2024 · €2.6m+€173,631
Cash
€299
2024 · €2,939-€2,640
Balance sheet total
€13.2m
2024 · €12.0m+€1.2m
Largest movements
Assets
- Current investments +€5.0m
up €5.0m (+662%), from €758,280 to €5.8m
- Receivables within one year -€3.9m
down €3.9m (-37.1%), from €10.6m to €6.7m
of which Trade receivables: -€3.5m
Equity and liabilities
- Trade debts +€922,599
up €922,599 (+29.7%), from €3.1m to €4.0m
- Advances received -€390,376
down €390,376 (-10.3%), from €3.8m to €3.4m
- Other debts +€253,719
up €253,719 (+57.8%), from €439,281 to €693,000
- Profit (loss) carried forward +€173,631
up €173,631 (+158%), from €109,820 to €283,452
- Tax, wage and social debts +€132,983
up €132,983 (+12.2%), from €1.1m to €1.2m
of which Taxes: +€130,856
Income statement
- Goods and materials +€545,490
up €545,490 (+4.2%), from €13.0m to €13.5m
- Staff costs -€392,692
down €392,692 (-5.2%), from €7.5m to €7.1m
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
€998,444
Turnover
+€46,054
Other operating income
+€83,866
Goods and materials
-€545,490
Services and other goods
+€88,985
Staff costs
+€392,692
Depreciation
+€1,105
Write-downs
-€37,479
Provisions
-€218,356
Other operating charges
+€77,616
Other operating items
-€24,758
Financial income
+€52,298
Financial charges
+€34,846
Taxes
-€83,194
Result 2025
€866,631
raises the resultlowers the resultnot broken down further in the accounts
Derived cash bridge
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
+€5.7m
Investment
-€5.0m
Financing
-€693,000
Cash 2024
€2,939
From operations (derived)
+€5.7m
Net result for the year
+€866,631
Depreciation
+€38,480
Receivables within one year
+€3.9m
Deferred charges and accrued income
-€90,581
Provisions
-€27,236
Trade debts
+€922,599
Tax, wage and social debts
+€132,983
Advances received
-€390,376
Other debts
+€253,719
Accrued charges and deferred income
+€91,500
Investment (derived)
-€5.0m
Investment in fixed assets (net)
-€23,920
Current investments
-€5.0m
Financing
-€693,000
Contributions, distributions and other
-€693,000
Cash 2025
€299
brings cash intakes cash out
Every line side by side
| Line | Code | 2024 | 2025 | Change | % |
|---|---|---|---|---|---|
| Total assets | 20/58 | €12,008,094 | €13,164,914 | +€1.2m | +9.6% |
| Fixed assets | 21/28 | €589,320 | €574,760 | -€14,560 | -2.5% |
| Tangible fixed assets | 22/27 | €588,820 | €574,260 | -€14,560 | -2.5% |
| Land and buildings | 22 | €41,198 | €61,737 | +€20,539 | +49.9% |
| Plant, machinery and equipment | 23 | €67,259 | €50,508 | -€16,751 | -24.9% |
| Furniture and vehicles | 24 | €310 | - | -€310 | |
| Other tangible fixed assets | 26 | €480,053 | €462,015 | -€18,038 | -3.8% |
| Financial fixed assets | 28 | €500 | €500 | = | 0.0% |
| Other financial fixed assets | 284/8 | €500 | €500 | = | 0.0% |
| Amounts receivable and cash guarantees | 285/8 | €500 | €500 | = | 0.0% |
| Current assets | 29/58 | €11,418,774 | €12,590,154 | +€1.2m | +10.3% |
| Amounts receivable within one year | 40/41 | €10,589,573 | €6,656,886 | -€3.9m | -37.1% |
| Trade receivables | 40 | €10,017,280 | €6,469,884 | -€3.5m | -35.4% |
| Other amounts receivable | 41 | €572,293 | €187,002 | -€385,291 | -67.3% |
| Current investments | 50/53 | €758,280 | €5,774,406 | +€5.0m | +662% |
| Other investments | 51/53 | €758,280 | €5,774,406 | +€5.0m | +662% |
| Cash at bank and in hand | 54/58 | €2,939 | €299 | -€2,640 | -89.8% |
| Deferred charges and accrued income | 490/1 | €67,982 | €158,562 | +€90,581 | +133% |
| Total equity and liabilities | 10/49 | €12,008,094 | €13,164,914 | +€1.2m | +9.6% |
| Equity | 10/15 | €2,557,320 | €2,730,952 | +€173,631 | +6.8% |
| Contributions | 10/11 | €2,225,000 | €2,225,000 | = | 0.0% |
| Capital | 10 | €2,225,000 | €2,225,000 | = | 0.0% |
| Issued capital | 100 | €2,225,000 | €2,225,000 | = | 0.0% |
| Reserves | 13 | €222,500 | €222,500 | = | 0.0% |
| Non-distributable reserves | 130/1 | €222,500 | €222,500 | = | 0.0% |
| Legal reserve | 130 | €222,500 | €222,500 | = | 0.0% |
| Profit (loss) carried forward | 14 | €109,820 | €283,452 | +€173,631 | +158% |
| Provisions and deferred taxes | 16 | €520,969 | €493,734 | -€27,236 | -5.2% |
| Provisions for liabilities and charges | 160/5 | €520,969 | €493,734 | -€27,236 | -5.2% |
| Other liabilities and charges | 164/5 | €520,969 | €493,734 | -€27,236 | -5.2% |
| Amounts payable | 17/49 | €8,929,804 | €9,940,229 | +€1.0m | +11.3% |
| Amounts payable within one year | 42/48 | €8,439,439 | €9,358,364 | +€918,925 | +10.9% |
| Trade debts | 44 | €3,106,932 | €4,029,531 | +€922,599 | +29.7% |
| Suppliers | 440/4 | €3,106,932 | €4,029,531 | +€922,599 | +29.7% |
| Advances received on contracts in progress | 46 | €3,804,964 | €3,414,589 | -€390,376 | -10.3% |
| Taxes, remuneration and social security | 45 | €1,088,261 | €1,221,245 | +€132,983 | +12.2% |
| Taxes | 450/3 | €155,873 | €286,730 | +€130,856 | +84.0% |
| Remuneration and social security | 454/9 | €932,388 | €934,515 | +€2,127 | +0.2% |
| Other amounts payable | 47/48 | €439,281 | €693,000 | +€253,719 | +57.8% |
| Accrued charges and deferred income | 492/3 | €490,365 | €581,865 | +€91,500 | +18.7% |
| Operating income | 70/76A | €25,312,474 | €25,445,630 | +€133,156 | +0.5% |
| Turnover | 70 | €25,221,946 | €25,268,000 | +€46,054 | +0.2% |
| Own construction capitalised | 72 | - | €3,236 | +€3,236 | |
| Other operating income | 74 | €90,528 | €174,394 | +€83,866 | +92.6% |
| Operating charges | 60/66A | €23,962,664 | €24,231,584 | +€268,920 | +1.1% |
| Goods for resale, raw materials and consumables | 60 | €12,968,032 | €13,513,522 | +€545,490 | +4.2% |
| Purchases | 600/8 | €12,968,032 | €13,513,522 | +€545,490 | +4.2% |
| Services and other goods | 61 | €3,584,149 | €3,495,163 | -€88,985 | -2.5% |
| Remuneration, social security and pensions | 62 | €7,494,283 | €7,101,591 | -€392,692 | -5.2% |
| Depreciation of and write-downs on formation expenses, intangible and tangible fixed assets | 630 | €39,585 | €38,480 | -€1,105 | -2.8% |
| Write-downs on stocks, contracts in progress and trade receivables: additions (reversals) | 631/4 | €5,800 | €43,279 | +€37,479 | +646% |
| Provisions for liabilities and charges: additions (uses and reversals) | 635/8 | -€245,591 | -€27,236 | +€218,356 | +88.9% |
| Other operating charges | 640/8 | €105,483 | €27,867 | -€77,616 | -73.6% |
| Non-recurring operating charges | 66A | €10,923 | €38,917 | +€27,994 | +256% |
| Operating profit (loss) | 9901 | €1,349,810 | €1,214,046 | -€135,764 | -10.1% |
| Financial income | 75/76B | €15,942 | €68,240 | +€52,298 | +328% |
| Recurring financial income | 75 | €12,859 | €68,240 | +€55,381 | +431% |
| Income from financial fixed assets | 750 | €1,420 | - | -€1,420 | |
| Income from current assets | 751 | €6,390 | €51,016 | +€44,626 | +698% |
| Other financial income | 752/9 | €5,049 | €17,224 | +€12,176 | +241% |
| Non-recurring financial income | 76B | €3,083 | - | -€3,083 | |
| Financial charges | 65/66B | €76,701 | €41,855 | -€34,846 | -45.4% |
| Recurring financial charges | 65 | €76,701 | €41,855 | -€34,846 | -45.4% |
| Debt charges | 650 | €58,248 | €22,939 | -€35,309 | -60.6% |
| Other financial charges | 652/9 | €18,453 | €18,916 | +€463 | +2.5% |
| Profit (loss) for the period before taxes | 9903 | €1,289,051 | €1,240,431 | -€48,620 | -3.8% |
| Income taxes | 67/77 | €290,607 | €373,800 | +€83,194 | +28.6% |
| Taxes | 670/3 | €319,295 | €373,800 | +€54,505 | +17.1% |
| Tax adjustments and reversals of tax provisions | 77 | €28,689 | - | -€28,689 | |
| Profit (loss) for the period | 9904 | €998,444 | €866,631 | -€131,813 | -13.2% |
| Profit (loss) for the period to be appropriated | 9905 | €998,444 | €866,631 | -€131,813 | -13.2% |
Source: filed annual accounts (NBB), financial years ended 31 December 2024 and 31 December 2025. Colour: green is a favourable move for that line, red an unfavourable one. Prepared on 14 October 2026 via checked.be.