SERTIUS
ActiveSummary
SERTIUS has been active since 2004 and the Belgian State Gazette contains no insolvency signals. The CBE does carry 1 administrative register entry (see administrative flags). The 2025 annual accounts show equity of €4.0m and a net result of €2.4m. Equity is growing by ~24.7% per year across the filed fiscal years. Its solvency ranks better than 53% of 737 sector peers (fiscal year 2025). The computed 12-month bankruptcy probability is 1.0% (low).
Checked score
Score 2025
Axes · tick = 2024
Profitability98▲+2
Solvency71▲+20
Growth79▼-4
Track record92
Bankruptcy probability, 12 months
1.0%
Low
0%0.5%1.5%4%10%≥ 25%
Credit up to €280,000 at 30 days acceptable
Liquidity ample (current ratio 2.05 against 1.53 in 2024; short-term debt: 46.5% and cash: 13.1% of total assets), but 53.6% of the assets are financed with debt.
Credit check for your own amount and term
Show the recommended maximum : and see how the verdict changes with amount, term and advance.
Signals
Ten signals. The signal on the left, the evidence on the right.
−lowers risk+raises risk○neutral
lowers risk · Lower-failure-rate sector
In this sector companies fail less often than the Belgian average.
Gazette · bankruptcies per sector, NACE 71
Relative position
BE, all sectors
reference
Architectural and engineering activities; technical testing and analysis (NACE 71)
about 56% fewer bankruptcies
← fewer bankruptcies
more bankruptcies →
lowers risk · Annual accounts: healthy financial profile
The latest annual accounts show a healthy profile in solvency, result and liquidity.
NBB · annual accounts 2025Solvency, return and age of the figures
Solvency
46.4%
Return on assets
27.1%
Age of the figures
9 mo
lowers risk · Long track record
A company with a long track record statistically fails less often than a young one.
KBO · incorporation dateAge against the risk zone
neutral · Latest accounts filed on time
The financial year that closed on 31-12-2025 was due by 31-07-2026 and was filed on 31-07-2026, 0 days ahead of the deadline.
NBB · 10 filingsDeviation from the deadline
2025
on the day
2024
28 d early
2023
30 d late
2022
113 d late
2021
31 d early
2020
31 d late
2019
69 d late
← before the deadline
after the deadline →
tick = median of all Belgian filingsring = median in the sector
This company filed its last 7 accounts on average 26 days after the deadline; the sector median for financial year 2024 is 8 days before the deadline, and 33% of the sector filed late.
raises risk · Administrative warnings in the KBO publications
1 publication by the FPS Economy about this company, such as a strike-off for address, accounts or UBO, or its withdrawal.
KBO publicationsPublications
Address struck
Checked, nothing found (1)
neutral · The next deadline is still running
The next financial year closes on 31-12-2026 and is due by 31-07-2027. Nothing is late today. Usually files around 31 July (4 of the last 5 filed years within 31 days of that day).
Companies Code · seven monthsPosition in the running window
28-09-2026 today31-12-2026 close31-07-2027 deadline
History
Go further with this company
How much credit can you give this customer, and on what term?Credit check What should you check before you do business with this company?Supplier due diligence Is the workforce growing, and do people stay?Employer check Can you accept this company as a client under the anti-money-laundering law?AML client file Which of your other customers can you e-invoice via Peppol?Peppol check What other support did companies like this one receive, and it did not?Public money
Is this your company? See how customers and banks see it.
Investigating this company? Keep it with today's facts in a case file.
Financials · fiscal year 2025, full schema
Turnover
€17.4m▲ 9.4%
2024 · €15.9m
EBIT margin
17.9%▲ 1.7pp
2024 · 16.2%
Net result
€2.4m▲ 2.9%
2024 · €2.3m
Working capital
€4.2m▲ 42.2%
2024 · €3.0m
Trend over the years
Click a name to add, emphasise or remove a line.Band: the middle half (P25 to P75) of NACE 71, Architectural and engineering activities; technical testing and analysis, each year against the same schema; no band under 30 filings. Dashed line: the median.
Every figure with its change against the fiscal year before
favourable
unfavourable
Line20212022202320242025
Turnover€11.4m€13.6m▲ 19.1%€15.9m▲ 16.6%€17.4m▲ 9.4%
Operating result€1.6m▲ 51.5%€1.5m▼ 6.5%€1.9m▲ 26.9%€2.6m▲ 34.2%€3.1m▲ 21.0%
Net result€1.4mabove the sector's middle half▲ 83.0%€1.3mabove the sector's middle half▼ 10.1%€1.7mabove the sector's middle half▲ 31.2%€2.3mabove the sector's middle half▲ 37.9%€2.4mabove the sector's middle half▲ 2.9%
EBIT margin13.2%14.1%▲ 0.9pp16.2%▲ 2.1pp17.9%▲ 1.7pp
Equity€1.2mabove the sector's middle half▼ 29.1%€1.5mabove the sector's middle half▲ 33.2%€1.9mabove the sector's middle half▲ 25.7%€2.3mabove the sector's middle half▲ 20.5%€4.0mabove the sector's middle half▲ 73.4%
Total assets€4.8mabove the sector's middle half▲ 25.8%€5.0mabove the sector's middle half▲ 3.8%€6.8mabove the sector's middle half▲ 37.8%€8.9mabove the sector's middle half▲ 30.7%€8.7mabove the sector's middle half▼ 2.4%
Debt€3.6m▲ 67.1%€3.4m▼ 5.6%€4.9m▲ 43.2%€6.6m▲ 34.7%€4.7m▼ 29.1%
Working capital€1.4mabove the sector's middle half▼ 17.6%€2.3mabove the sector's middle half▲ 65.6%€2.8mabove the sector's middle half▲ 20.4%€3.0mabove the sector's middle half▲ 7.9%€4.2mabove the sector's middle half▲ 42.2%
Solvency24.2%within the sector's middle half▼ 18.7pp31.0%within the sector's middle half▲ 6.8pp28.3%within the sector's middle half▼ 2.7pp26.1%within the sector's middle half▼ 2.2pp46.4%within the sector's middle half▲ 20.3pp
Current ratio1.42within the sector's middle half▼ 0.451.91within the sector's middle half▲ 0.491.71within the sector's middle half▼ 0.201.53within the sector's middle half▼ 0.182.05within the sector's middle half▲ 0.52
Return on assets (ROA)29.5%above the sector's middle half▲ 9.2pp25.5%above the sector's middle half▼ 3.9pp24.3%above the sector's middle half▼ 1.2pp25.7%above the sector's middle half▲ 1.3pp27.1%above the sector's middle half▲ 1.4pp
Staff (FTE)58.1above the sector's middle half▲ 6.8%56.6above the sector's middle half▼ 2.6%60.6above the sector's middle half▲ 7.1%69.1above the sector's middle half▲ 14.0%74.3above the sector's middle half▲ 7.5%
above
within
below
the middle half (P25 to P75) of NACE 71, Architectural and engineering activities; technical testing and analysis, each year against the same schema; no band under 30 filings.
Result per fiscal year
Operating resultNet result
After the dip in 2022 the operating result has climbed three years in a row; 2025 is 21% above 2024 and is the highest result in the available series.
Balance-sheet composition
2025 in colour, 2024 as the grey bar beneath
Assets €8.7m
Fixed assets
€416,221 ▲ 36.1%
Current assets
€8.3m ▼ 3.7%
Equity and liabilities €8.7m
Equity
€4.0m ▲ 73.4%
Debt
€4.7m ▼ 29.1%
Debt's share of the balance-sheet total falls from 73.9% to 53.6%. Equity is higher and debt is lower.
Key figures and ratios
EBITDA
€3.2m▲
2024 · €2.7m
Cash flow
€2.5m▲
2024 · €2.4m
Debt to equity
1.16▼
2024 · 2.83
ROE
58.4%▼
2024 · 98.4%
Interest coverage
52.99▲
2024 · 50.41
Debt ≤ 1 year
€4.1m▼
2024 · €5.6m
Debt > 1 year
€87,500▼
2024 · €237,500
Income taxes
€691,179▲
2024 · €224,999
Staff costs
€5.9m▲
2024 · €5.8m
Green means a favourable move, even when the figure itself falls: as with debt or debt to equity.
Peer companies
Historical observationOf the 1,577 companies that looked in July 2024 the way this one looks now, 0.1% went bankrupt within 24 months and 97% are still going.
- Medium-sized
- 20 years or older
- solvency 30% or more
- a profit of 5% of the balance sheet or more
0.1%
went bankrupt
3.1%
stopped otherwise
97%
still going
For this company itself Checked computes a higher bankruptcy probability: 1.0% over twelve months. The score reads more about this company than the group's four characteristics; both figures are right about what they measure.
How reliable is this rule?
Tested on the year before, without using that year itself: the groups of July 2023 gave each of the 497,662 companies of July 2024 its group's bankruptcy share. Expected: 1.5%; actually bankrupt within 24 months: 1.6%.
| Group | Expected | Actual |
|---|---|---|
| 1 | 0.2% | 0.2% |
| 2 | 0.3% | 0.4% |
| 3 | 0.5% | 0.5% |
| 4 | 0.6% | 0.7% |
| 5 | 0.8% | 0.9% |
| 6 | 1.2% | 1.3% |
| 7 | 1.5% | 1.7% |
| 8 | 1.7% | 1.7% |
| 9 | 2.7% | 2.8% |
| 10 | 5.3% | 5.7% |
The rule ranks well: a company that went bankrupt got a higher share than one that kept going in 75% of comparisons. The level follows the economy: in a year with more bankruptcies, the actual share is higher than the year before.
An observation about 1,577 comparable companies, not a prediction for this company. The sector does not count: the register keeps no sector for companies that stopped, so it would make the outcome look better than it was.
Annual accounts
| Line | 2021 | 2022 | 2023 | 2024 | 2025 | Change |
|---|---|---|---|---|---|---|
| Operating income70/76A | - | €11.6m | €13.8m | €16.1m | €17.5m | ▲ 8.7% |
| Turnover70 | - | €11.4m | €13.6m | €15.9m | €17.4m | ▲ 9.4% |
| Other operating income74 | - | €137,556 | €139,550 | €233,113 | €149,461 | ▼ 35.9% |
| Operating charges60/66A | - | €10.1m | €11.9m | €13.6m | €14.4m | ▲ 6.4% |
| Goods for resale, raw materials and consumables60 | - | €2.6m | €3.2m | €3.8m | €3.9m | ▲ 4.5% |
| Purchases600/8 | - | €2.6m | €3.2m | €3.8m | €3.9m | ▲ 4.5% |
| Services and other goods61 | - | €3.3m | €3.6m | €3.9m | €4.5m | ▲ 16.4% |
| Remuneration, social security and pensions62 | €4.0m | €4.1m | €4.9m | €5.8m | €5.9m | ▲ 0.3% |
| Depreciation of and write-downs on formation expenses, intangible and tangible fixed assets630 | €88,823 | €53,648 | €61,121 | €80,727 | €113,558 | ▲ 40.7% |
| Write-downs on stocks, contracts in progress and trade receivables: additions (reversals)631/4 | €3,081 | -€3,081 | €4,034 | €0 | €1,430 | - |
| Other operating charges640/8 | €21,491 | €23,920 | €41,809 | €8,015 | €15,872 | ▲ 98.0% |
| Gross operating margin9900 | €5.7m | - | - | - | - | - |
| Operating profit (loss)9901 | €1.6m | €1.5m | €1.9m | €2.6m | €3.1m | ▲ 21.0% |
| Financial income75/76B | €2,223 | €114 | €209 | €1,852 | €2,004 | ▲ 8.2% |
| Recurring financial income75 | €2,223 | €114 | €209 | €1,852 | €2,004 | ▲ 8.2% |
| Income from current assets751 | - | €0 | - | - | - | - |
| Other financial income752/9 | - | €114 | €209 | €1,852 | €2,004 | ▲ 8.2% |
| Financial charges65/66B | €39,754 | €44,814 | €35,424 | €60,060 | €67,975 | ▲ 13.2% |
| Recurring financial charges65 | €39,754 | €44,814 | €35,424 | €60,060 | €67,975 | ▲ 13.2% |
| Debt charges650 | - | €40,356 | €31,106 | €52,616 | €60,885 | ▲ 15.7% |
| Other financial charges652/9 | - | €4,458 | €4,318 | €7,444 | €7,090 | ▼ 4.8% |
| Profit (loss) for the period before taxes9903 | €1.6m | €1.5m | €1.9m | €2.5m | €3.0m | ▲ 21.2% |
| Income taxes67/77 | €170,629 | €201,000 | €222,195 | €224,999 | €691,179 | ▲ 207% |
| Taxes670/3 | - | €201,000 | €222,195 | €224,999 | €691,179 | ▲ 207% |
| Profit (loss) for the period9904 | €1.4m | €1.3m | €1.7m | €2.3m | €2.4m | ▲ 2.9% |
| Profit (loss) for the period to be appropriated9905 | €1.4m | €1.3m | €1.7m | €2.3m | €2.4m | ▲ 2.9% |
| Line | 2021 | 2022 | 2023 | 2024 | 2025 | Change |
|---|---|---|---|---|---|---|
| Assets | ||||||
| Total assets20/58 | €4.8m | €5.0m | €6.8m | €8.9m | €8.7m | ▼ 2.4% |
| Fixed assets21/28 | €124,819 | €140,365 | €184,960 | €305,733 | €416,221 | ▲ 36.1% |
| Intangible fixed assets21 | €5,174 | €15,102 | €19,720 | €33,573 | €72,965 | ▲ 117% |
| Tangible fixed assets22/27 | €61,521 | €65,859 | €110,313 | €207,873 | €252,220 | ▲ 21.3% |
| Plant, machinery and equipment23 | €52,630 | €62,283 | €100,745 | €117,830 | €149,573 | ▲ 26.9% |
| Furniture and vehicles24 | €8,891 | €3,576 | €9,568 | €26,535 | €36,485 | ▲ 37.5% |
| Other tangible fixed assets26 | - | - | - | €63,508 | €66,162 | ▲ 4.2% |
| Financial fixed assets28 | €58,124 | €59,404 | €54,928 | €64,288 | €91,037 | ▲ 41.6% |
| Other financial fixed assets284/8 | - | €59,404 | €54,928 | €64,288 | €91,037 | ▲ 41.6% |
| Amounts receivable and cash guarantees285/8 | - | €59,404 | €54,928 | €64,288 | €91,037 | ▲ 41.6% |
| Current assets29/58 | €4.6m | €4.8m | €6.6m | €8.6m | €8.3m | ▼ 3.7% |
| Stocks and contracts in progress3 | - | €0 | €0 | €0 | €0 | - |
| Amounts receivable within one year40/41 | €4.1m | €4.5m | €5.6m | €8.1m | €7.0m | ▼ 13.3% |
| Trade receivables40 | €4.0m | €4.4m | €5.6m | €8.1m | €7.0m | ▼ 13.3% |
| Other amounts receivable41 | €105,649 | €105,185 | €6,310 | €479 | €479 | = |
| Cash at bank and in hand54/58 | €431,254 | €188,708 | €934,682 | €328,191 | €1.1m | ▲ 248% |
| Deferred charges and accrued income490/1 | €70,742 | €114,776 | €129,260 | €210,389 | €144,544 | ▼ 31.3% |
| Equity and liabilities | ||||||
| Total equity and liabilities10/49 | €4.8m | €5.0m | €6.8m | €8.9m | €8.7m | ▼ 2.4% |
| Equity10/15 | €1.2m | €1.5m | €1.9m | €2.3m | €4.0m | ▲ 73.4% |
| Contributions10/11 | €175,000 | €175,000 | €175,000 | €175,000 | €175,000 | = |
| Capital10 | €175,000 | €175,000 | €175,000 | €175,000 | €175,000 | = |
| Issued capital100 | €175,000 | €175,000 | €175,000 | €175,000 | €175,000 | = |
| Reserves13 | €17,676 | €17,676 | €17,676 | €17,676 | €17,676 | = |
| Non-distributable reserves130/1 | €17,500 | €17,500 | €17,500 | €17,500 | €17,500 | = |
| Legal reserve130 | €17,500 | €17,500 | €17,500 | €17,500 | €17,500 | = |
| Tax-exempt reserves132 | €176 | €176 | €176 | €176 | €176 | = |
| Profit (loss) carried forward14 | €960,132 | €1.3m | €1.7m | €2.1m | €3.8m | ▲ 80.1% |
| Amounts payable17/49 | €3.6m | €3.4m | €4.9m | €6.6m | €4.7m | ▼ 29.1% |
| Amounts payable after more than one year17 | - | €525,000 | €375,000 | €237,500 | €87,500 | ▼ 63.2% |
| Financial debts170/4 | - | €525,000 | €375,000 | €237,500 | €87,500 | ▼ 63.2% |
| Credit institutions173 | - | €525,000 | €375,000 | €237,500 | €87,500 | ▼ 63.2% |
| Amounts payable within one year42/48 | €3.3m | €2.5m | €3.9m | €5.6m | €4.1m | ▼ 28.0% |
| Current portion of amounts payable after more than one year42 | - | €162,500 | €162,500 | €150,000 | €150,000 | = |
| Trade debts44 | €609,318 | €565,949 | €1.3m | €1.8m | €1.2m | ▼ 32.6% |
| Suppliers440/4 | €609,318 | €565,949 | €1.3m | €1.8m | €1.2m | ▼ 32.6% |
| Taxes, remuneration and social security45 | €771,370 | €872,956 | €1.2m | €1.7m | €2.0m | ▲ 17.3% |
| Taxes450/3 | €396,722 | €489,653 | €698,602 | €1.1m | €1.4m | ▲ 26.8% |
| Remuneration and social security454/9 | €374,647 | €383,304 | €457,670 | €649,729 | €659,812 | ▲ 1.6% |
| Other amounts payable47/48 | €1.9m | €917,066 | €1.3m | €1.9m | €647,428 | ▼ 66.5% |
| Accrued charges and deferred income492/3 | €356,046 | €372,266 | €640,634 | €722,064 | €531,005 | ▼ 26.5% |
| Line | 2021 | 2022 | 2023 | 2024 | 2025 | Change |
|---|---|---|---|---|---|---|
| Profit (loss) for the period9904 | €1.4m | €1.3m | €1.7m | €2.3m | €2.4m | ▲ 2.9% |
| + Depreciation and write-downs630 | €88,823 | €53,648 | €61,121 | €80,727 | €113,558 | ▲ 40.7% |
| Operating cash flow (approximation) | €1.5m | €1.3m | €1.7m | €2.4m | €2.5m | ▲ 4.2% |
| Investment in fixed assets (approximation) | - | -€69,195 | -€105,717 | -€201,500 | -€224,045 | ▼ 11.2% |
| Change in cash | - | -€242,545 | €745,973 | -€606,491 | €815,441 | ▲ 234% |
Simplified and derived: a Belgian filing has no cash-flow statement, so these rows come from the income statement and the balance-sheet moves.
Timeline · acts, filings and financial milestones
Next filing, fiscal year 2026, expected by
2026
31-07
NBB filing
Annual accounts filed
fiscal year 2025 · full schema
2025
31-12
Financial
Highest result since 2018net €2.4m ▲2.9%
Operating result €3.1m, net result €2.4m, both a record.
27-10
KBO administration
Address struck
Louizalaan 500 1050 Die Sitzadresse Avenue Louise / Louizalaan
Ixelles · event 09-09-2025
03-07
NBB filing
Annual accounts filed
fiscal year 2024 · full schema
2024
31-12
Financial
Equity above €2mEq €2.3m ▲20.5%
7 profitable years in a row build equity to €2.3m.
30-08
NBB filing
Annual accounts filed
fiscal year 2023 · full schema · 30 days late
2023
21-11
NBB filing
Annual accounts filed
fiscal year 2022 · full schema · 113 days late
2022
30-06
NBB filing
Annual accounts filed
fiscal year 2021 · abbreviated schema
2021
31-08
NBB filing
Annual accounts filed
fiscal year 2020 · abbreviated schema · 31 days late
2020
08-10
NBB filing
Annual accounts filed
fiscal year 2019 · abbreviated schema · 69 days late
2019
31-12
Financial
Equity above €1mEq €1.1m ▲213%
2 profitable years in a row build equity to €1.1m.
24-09
NBB filing
Annual accounts filed
fiscal year 2018 · abbreviated schema · 55 days late
2018
31-07
NBB filing
Annual accounts filed
fiscal year 2017 · abbreviated schema
2017
29-06
NBB filing
Annual accounts filed
fiscal year 2016 · abbreviated schema
SignalFinancial milestoneNBB filingFinancial milestones sit on the fiscal year-end date, not the filing date.
0 of 9 acts read
About the unread acts
We know of 9 Belgian State Gazette acts for this company. None of them has been read yet: what they contain is neither established nor disproved here.
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Directors · office · real estate
Directors
9 acts for this company are in the Belgian State Gazette, of which we have read 0. We have therefore not extracted its directors from those acts yet.
Location & real-estate footprint
Registered office, Brussel · 3 establishment units since 2004
Ground area
6.0 ha
Building footprint
4.1 ha
Volume, LiDAR
643,903 m³
4 parcels, Brussels, Flanders, Wallonia · tallest building 34.0 m, ±8 floors. Linked by address, not a title deed.
235
companies at this address
See who is registered here
3 establishment units
Sertius
since 20042.138.563.750
Sertius
since 20042.135.945.938
Sertius
since 20092.184.310.534
4 parcels
Flanders
2
(50%)
Wallonia
1
(25%)
Brussels
1
(25%)
| Parcel (capakey) | Region | Area | Buildings | Height / fl. |
|---|---|---|---|---|
| 21814P0441/00B000 | Brussels | 4.4 ha | 1 · 3.9 ha | 34.0 m · 6 fl. |
| 24038D0241/00V002 | Flanders | 7,244 m² | 1 · 796 m² | 32.6 m · 8 fl. |
| 44017D0595/02C000 | Flanders | 5,178 m² | 1 · 1,097 m² | 11.1 m · 3 fl. |
| 25384B0054/00V000 | Wallonia | 2,981 m² | 1 · 103 m² | 7.2 m · 2 fl. |
Linked by address, not proof of ownership
Good to know
4 of 4 parcels with an exact address match; the rest are indicative.
Linked through address data, this is not proof of ownership.
1 of these parcels carry protected heritage: expect extra rules on renovation or sale.
Structure & network
Owners and holdings
1 ownerChain of control
- Sertius Group
- SERTIUS
Highest known parent: Sertius Group. The sources do not say who stands above it.
Owners 1
-
100%
Holdings 0
The accounts to 31-12-2025 list no holdings, and no other source names one.
According to the 2025 annual accounts of SERTIUS and those of the other companies, the acts in the Belgian Gazette and the LEI register. The register of ultimate beneficial owners (UBO) is not public: who ultimately stands behind a natural person or a foreign parent is not stated here. A company that does not fill in these statements, or need not, is missing.
Connections & network
No current directors or connected companies found in the register.
Public money · subsidies and aid
Flemish government
2024 · 1 entry · 3,802 EUR awarded · 3,802 EUR paid| Year | Entries | awarded | paid |
|---|---|---|---|
| 2024 | 1 | 3,802 EUR | 3,802 EUR |
Schemes
Recognitions · licences · registrations
Legal Entity Identifier
894500T7MOUE7YODXR45
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Of 11,577 companies in sector 71121 we hold annual accounts for 6,570. 1,525 are within a factor 10 of this equity. The 5 above are the closest to it. See the whole sector
Identification & contact
Identification
Legal formPublic limited company
Founded02-01-2004
Fiscal year end31-12
Activities, NACEBEL 2025
71121Engineering and related technical consultancy, excluding land surveyors
70200Business and other management consultancy
E-invoicing
Reachable via Peppol
Peppol ID
0208:0862464018
Registered
17-11-2025
If you follow this company, Checked tells you the day it leaves the Peppol register.
Register as of 28 September 2026 · Peppol Directory
Scores and ratios are computed by Checked and are not a credit decision.