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TONOMIA: what changed

Two fiscal 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

TONOMIA

BE 0802.716.273
NACE 71.121, Engineering and related technical consultancy, excluding land surveyors
fiscal year 2024 against 2025filed annual accounts (NBB)
Net result for the year
-€1.1m
2024 · -€463,857-€598,934
Equity
-€1.1m
2024 · -€326,333-€812,790
Cash
€3,842
2024 · €197,940-€194,097
Balance sheet total
€239,827
2024 · €440,587-€200,759

Largest movements

2024 to 2025
Assets
  • Cash -€194,097

    down €194,097 (-98.1%), from €197,940 to €3,842

    mainly Net result for the year (-€1.1m) and Investment in fixed assets (net) (-€222,809)

  • Receivables within one year -€6,542

    down €6,542 (-15.3%), from €42,649 to €36,107

    of which Trade receivables: -€21,219

Equity and liabilities
  • Profit (loss) carried forward -€1.1m

    down €1.1m (-156.7%), from -€678,333 to -€1.7m

  • Other debts +€416,334

    up €416,334 (+64.7%), from €643,607 to €1.1m

  • Contributions +€250,000

    up €250,000 (+71.0%), from €352,000 to €602,000

  • Trade debts +€121,999

    up €121,999 (+179.1%), from €68,105 to €190,104

  • Tax, wage and social debts +€73,698

    up €73,698 (+133.5%), from €55,208 to €128,906

    of which Remuneration and social security: +€59,196

Income statement
  • Staff costs +€246,198

    up €246,198 (+123.8%), from €198,788 to €444,986

  • Gross operating margin -€186,996

    down €186,996 (-92.7%), from -€201,664 to -€388,660

  • Depreciation +€157,093

    up €157,093 (+239.0%), from €65,716 to €222,809

  • Financial income -€6,152

    down €6,152 (-95.3%), from €6,458 to €306

From the 2024 result to the 2025 result

effect on the 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 -€463,857
Gross operating margin -€186,996
Staff costs -€246,198
Depreciation -€157,093
Other operating charges +€112
Financial income -€6,152
Financial charges -€2,607
Result 2025 -€1.1m

Cash bridge derived

cash 2024 to 2025

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 -€221,289
Investment -€222,809
Financing +€250,000
Cash 2024 €197,940
Net result for the year -€1.1m
Depreciation +€222,809
Stocks and contracts -€2,771
Receivables within one year +€6,542
Deferred charges and accrued income +€2,891
Trade debts +€121,999
Tax, wage and social debts +€73,698
Other debts +€416,334
Investment in fixed assets (net) -€222,809
Contributions, distributions and other +€250,000
Cash 2025 €3,842
Every line side by side 35 lines
Line Code 2024 2025 Change %
Total assets 20/58 €440,587 €239,827 -€200,759 -45.6%
Fixed assets 21/28 €12,000 €12,000 = 0.0%
Financial fixed assets 28 €12,000 €12,000 = 0.0%
Current assets 29/58 €428,587 €227,827 -€200,759 -46.8%
Stocks and contracts in progress 3 €177,957 €180,728 +€2,771 +1.6%
Stocks 30/36 €177,957 €180,728 +€2,771 +1.6%
Amounts receivable within one year 40/41 €42,649 €36,107 -€6,542 -15.3%
Trade receivables 40 €22,341 €1,123 -€21,219 -95.0%
Other amounts receivable 41 €20,308 €34,984 +€14,677 +72.3%
Cash at bank and in hand 54/58 €197,940 €3,842 -€194,097 -98.1%
Deferred charges and accrued income 490/1 €10,041 €7,150 -€2,891 -28.8%
Total equity and liabilities 10/49 €440,587 €239,827 -€200,759 -45.6%
Equity 10/15 -€326,333 -€1,139,123 -€812,790 -249.1%
Contributions 10/11 €352,000 €602,000 +€250,000 +71.0%
Profit (loss) carried forward 14 -€678,333 -€1,741,123 -€1.1m -156.7%
Amounts payable 17/49 €766,920 €1,378,951 +€612,031 +79.8%
Amounts payable within one year 42/48 €766,920 €1,378,951 +€612,031 +79.8%
Trade debts 44 €68,105 €190,104 +€121,999 +179.1%
Suppliers 440/4 €68,105 €190,104 +€121,999 +179.1%
Taxes, remuneration and social security 45 €55,208 €128,906 +€73,698 +133.5%
Taxes 450/3 €14,505 €29,007 +€14,502 +100.0%
Remuneration and social security 454/9 €40,704 €99,899 +€59,196 +145.4%
Other amounts payable 47/48 €643,607 €1,059,941 +€416,334 +64.7%
Remuneration, social security and pensions 62 €198,788 €444,986 +€246,198 +123.8%
Depreciation of and write-downs on formation expenses, intangible and tangible fixed assets 630 €65,716 €222,809 +€157,093 +239.0%
Other operating charges 640/8 €112 - -€112
Gross operating margin 9900 -€201,664 -€388,660 -€186,996 -92.7%
Operating profit (loss) 9901 -€466,280 -€1,056,454 -€590,175 -126.6%
Financial income 75/76B €6,458 €306 -€6,152 -95.3%
Recurring financial income 75 €6,458 €306 -€6,152 -95.3%
Financial charges 65/66B €4,035 €6,642 +€2,607 +64.6%
Recurring financial charges 65 €4,035 €6,642 +€2,607 +64.6%
Profit (loss) for the period before taxes 9903 -€463,857 -€1,062,790 -€598,934 -129.1%
Profit (loss) for the period 9904 -€463,857 -€1,062,790 -€598,934 -129.1%
Profit (loss) for the period to be appropriated 9905 -€463,857 -€1,062,790 -€598,934 -129.1%

Source: filed annual accounts (NBB), fiscal years ended 31 December 2024 and 31 December 2025. Colour: green is a favourable move for that line, red an unfavourable one. Prepared on 2 October 2026 via checked.be.