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MK ENGINEERING

Active Private limited companyfounded 1991active for 35 yearsWaterloose Steenweg 412F, 1050 IxellesKBO/BCE: BE 0442.393.244 subsidiary of ALT-O
MK ENGINEERING
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Overview

Lifetime

20 annual accounts with figures on one time axis, 32 filings since 1991
peak €1.2m (2025)
€1.2m▲ 5.7%
lowest -€108,432 (2020)
€40,928▼ 22.8%
peak €339,150 (2025)
€339,150▲ 3.3%
€528,476▲ 18.0%
peak 15 FTE (2024)
14.6 FTE▼ 2.7%
Board7 names since 2021
5 directorsLINARES DE MIGUEL Katia and 4 others
Owners
100%ALT-O
Documentsfilings and deeds
29-05-202663 days before the deadline
2025financial year
Dividend €30,000Debts from €447,814 to €528,476Cash from €114,417 to €269,203

Key points

from the 2025 annual accounts

Equity

€339,150 ▲ 3.3%
328,2222024+40,928Profit-30,000Dividend339,1502025

MK ENGINEERING paid out €30,000 in dividends. That is 73% of the 2025 profit.

Staff

16 employees on 31-12-2025
012022302023312024242025

In 2025, 2 people joined and 4 left.

Checked score

94
Excellent
Financially stronger than 56% of small companies in architecture and engineering (NACE 71)
Probability in this band: under 0.55%
Bankruptcy probability within 12 months
< 0.1% Very low
0%0.5%1.5%4%10%≥ 25%

The dashed line is the sector median: 0.1% across 689 companies (NACE 71, small).

Fewer than 1 in 1,000 comparable companies go bankrupt within 12 months (an estimate).

Last 24 months 12-2024: 0.1%highest value 01-2025: 0.1%● unchanged vs 12-2024highest value 02-2025: 0.1%● unchanged vs 01-2025 03-2025: 0.1%● unchanged vs 02-2025 04-2025: 0.1%● unchanged vs 03-2025 05-2025: 0.1%● unchanged vs 04-2025 06-2025: 0.1%● unchanged vs 05-2025 07-2025: 0.1%● unchanged vs 06-2025 08-2025: 0.1%● unchanged vs 07-2025 09-2025: 0.1%● unchanged vs 08-2025 10-2025: 0.1%● unchanged vs 09-2025 11-2025: 0.1%● unchanged vs 10-2025 12-2025: 0.1%● unchanged vs 11-2025 01-2026: 0.1%● unchanged vs 12-2025 02-2026: 0.1%● unchanged vs 01-2026 03-2026: 0.1%● unchanged vs 02-2026 04-2026: 0.1%● unchanged vs 03-2026 05-2026: 0.1%● unchanged vs 04-2026 06-2026: 0.1%● unchanged vs 05-2026 07-2026: < 0.1%▼ -0.1 percentage points vs 06-2026lowest value 08-2026: < 0.1%● unchanged vs 07-2026lowest value 09-2026: < 0.1%● unchanged vs 08-2026lowest value 10-2026: < 0.1%● unchanged vs 09-2026lowest value 11-2026: < 0.1%● unchanged vs 10-2026lowest value

Financial strength
Strong

64-3equity 39.1% of total assets
59+15short-term debt 58.1% · cash 31.0%
75-2return on assets 4.7%

Score breakdown

lowers risk
Liquidity: current ratio 1.60, cash €269,203
Founded in 1991
Sector: Architectural and engineering activities; technical testing and analysis (NACE 71)
Profit of €40,928 (financial year 2025)
Calculation

The band follows from the bankruptcy probability. 10 more points roughly halve it.

75-100 Excellent under 0.55%
60-74 Healthy 0.55% to 1.5%
45-59 Fair 1.5% to 4.2%
25-44 Weak 4.2% to 15.0%
0-24 Critical over 15.0%

Where the company stands within its band depends half on the bankruptcy probability and half on how it does against its sector peers (NACE 71, small). It does better than 48% of them on solvency, 68% on liquidity, 58% on profitability and 49% on growth.

The bankruptcy probability was computed on 08-11-2026 by the bankruptcy model of 2 October 2026, which learns from Belgian bankruptcies and reads the registers, the annual accounts and the Belgian Official Gazette.

The probability rests on the annual accounts with balance sheet date 31-12-2025.

Of the companies with a bankruptcy probability in the very low class on 30-06-2025, 0.1% went bankrupt within twelve months.

Some facts cap the score, however low the probability. With negative or zero equity, a heavy loss, a special status in the KBO, one missing filing or accounts filed more than 90 days late, the score is Fair at most (59). With two missing filings, it is Weak at most (44). During a judicial reorganisation or at the company's end (bankruptcy, dissolution, liquidation), it is Critical at most (24).

Comparable companies, two years later

In July 2024, 14,766 companies had the same profile as MK ENGINEERING has now. Each dot stands for 37 companies, two years later.

96.2%
were still trading
3.5%
stopped another way
0.2%
went bankrupt
  • Small
  • 20 years or older
  • solvency 30% or more
  • a profit under 5% of the balance sheet

Another 0.1% stopped without a precise date, possibly only after those two years.

That fits the bankruptcy probability of MK ENGINEERING itself: < 0.1% within 12 months.

Test of the method

The method was tested on the 497,447 companies of July 2024. Each company was given the bankruptcy share of the same profile a year earlier, in July 2023. The expectation was that 1.6% would go bankrupt within 24 months. In fact 1.7% went bankrupt.

The companies in ten equal groups, from the lowest to the highest expected share
Group Expected Actual
1 0.2% 0.2%
2 0.3% 0.5%
3 0.5% 0.6%
4 0.7% 0.8%
5 0.9% 0.9%
6 1.3% 1.5%
7 1.6% 1.8%
8 1.8% 1.8%
9 3.0% 3.1%
10 5.6% 6.2%

A company that went bankrupt had a higher expected share than one that kept going in 74.5% of comparisons. The level depends on the economy. In a year with more bankruptcies than the year before, the actual share is higher than the expected one.

This is an observation about 14,766 companies, not a prediction for MK ENGINEERING. The sector does not count, because the KBO no longer lists a sector for a company that has stopped. By sector, mostly the survivors would count, which would paint too rosy a picture.

Credit verdict

Credit of up to €30,000 on 30-day terms is acceptable

Liquidity is ample, with a current ratio of 1.6 (1.8 in 2024), above the usual 1.5. Short-term debt is 58.1% and cash 31% of total assets. However, 60.9% of the assets are financed with debt and provisions.

Credit check for an amount and term of your choice

Show the recommended maximum and see how the verdict changes with amount, term and advance.

The scores and ratios are Checked's own calculations, not a credit decision.

Signals

5 signals, none raises the risk
Five signals.
lowers riskneutral
lowers risk · Liquidity: current ratio 1.60, cash €269,203
NBB · annual accounts
lowers risk · Founded in 1991
Companies that have existed this long fail less often. How much that weighs depends on the rest of the company's profile.
KBO
lowers risk · Sector: Architectural and engineering activities; technical testing and analysis (NACE 71)
KBO
lowers risk · Profit of €40,928 (financial year 2025)
NBB · annual accounts
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 29-05-2026, 63 days ahead of the deadline.
NBB · 10 filings
Deviation from the deadline
2025
63 days early
2024
59 days early
2023
34 days early
2022
28 days early
2021
30 days late
2020
86 days late
2019
90 days late
← before the deadline after the deadline →
tick = median of all Belgian filingsring = median in the sector

The company filed its last 7 accounts on average 3 days after the deadline. In the sector (NACE 71), the median for financial year 2024 was 8 days before the deadline, and 34% of those companies filed late.

Searched, nothing found (2)
neutral · Next filing not due yet
The next financial year closes on 31-12-2026 and is due by 31-07-2027. Nothing is late today. The company usually files around 28 June (4 of the last 5 accounts filed within 30 days either side of that date).
Companies Code · seven months
Where today falls in the filing period
09-11-2026 today31-12-2026 year end31-07-2027 deadline
neutral · No strike-offs in the KBO publications
That holds for every publication since 2021.
KBO publications

Board and ownership

VC
VOGLAIRE Corentin
Manager
WK
WIERUSZ-KOWALSKI Piotr
Manager
LD
LINARES DE MIGUEL Katia
Director
VC
VOGLAIRE Corentin Raphael Alexis
Director
WK
WIERUSZ-KOWALSKI Piotr François Jacques
Director
  • ALT-O 100%score 91equity €316,812 (2025) · 2025 annual accounts of ALT-O
Board & ownership

Recent changes

Registered in the Peppol Directory Reachable for e-invoices through 0208:0442393244
3 managers appointed, 2 resignations Resignations: WIERUSZ-KOWALSKI Michal (manager and director) and ALT-O SPRL (manager and director) · Appointments: LINARES DE MIGUEL Katia, VOGLAIRE Corentin and WIERUSZ-KOWALSKI Piotr · Director discharge: WIERUSZ-KOWALSKI Michal · General meeting of 15-09-2021 · Gazette deed
Energy performance certifier approval granted Decision of 25-08-2009, published on 07-10-2009
All 45 events

Comparable companies

same main activity, similar in size and age
Company
MK ENGINEERING Ixelles €0.9m €1.2m 39.1% 14.6
RDC ENVIRONMENT Auderghem €1.2m €1.5m 36.7% 14
TECHNOCON Aalter €0.8m €1.0m 62.4% 11.6
INTERFACE SOFT SERVICE Andenne €0.8m €1.3m 60.1% 10.5
ASSET Ghent €0.8m €0.9m 77.8% 14
Evolv Engineering Roeselare €1.1m €1.4m 53.0% 12.7
CONTROL & PROTECTION AUTOMATION Antwerp €0.6m €1.2m -232.1% 12

These companies have the same main activity as MK ENGINEERING: engineering and related technical consultancy, excluding land surveyors (NACE 71121). They are comparable in size and age: total assets between €642,000 and €1.2m, founded between 1985 and 1996.

Official details

Source: KBO
Status
Active since 02-01-1991Normal situation
Registered office
14 active companies are registered at this addressSource: KBO register, as of 9 November 2026.
Activity
Engineering and related technical consultancy, excluding land surveyorsNACE 71121and 5 others
Establishment unit
2.229.160.4631050 Ixelles, since 02-01-1991
Financial year end
31 December
Peppol
Reachable since 21-10-2025
Company details

Annual accounts 2025

€1.2m▲ 5.7%
≈ €2.0mestimated
€40,928▼ 22.8%
€339,150▲ 3.3%
€867,625▲ 11.8%
Employeeson 31-12-2025
16▼ 11.1%
Filing
Filed on 29-05-2026, 63 days before the end of the filing period
Financials

Insights on MK ENGINEERING

MK ENGINEERING has existed since 1991. The gross margin grew from €161,571 in 2006 to €1.2m in 2025 and staff from 3 to 14.6 full-time equivalents.

The gross margin has grown every year since 2022.

ALT-O holds all the shares.

Sources: KBO register, filings at the National Bank, Belgian Official Gazette.

Financials

Annual accounts 2025

full format, filed on 29-05-2026, 63 days before the deadline
€1.2m
▲ 5.7%
€68,172
▼ 17.4%
€40,928
▼ 22.8%
€303,943
▼ 1.1%
39.1%
▼ 3.2 percentage points
1.60
▼ 0.20

The turnover shown is an estimate from the gross margin.

Turnover ≈ €2.0m. Estimated: probably between €1.4m and €3.3m.

Balance sheet

balance sheet total €867,625 on 31-12-2025
What the company ownsHow it is paid for

in euro

in euro

Position in the sector

Compare with sector

39.1%

Higher than 47% of 892 companies in 2025.

1.60

Higher than 52% of 880 companies in 2025.

4.7%

Higher than 55% of 891 companies in 2025.

MK ENGINEERING Middle half of the sector 80% of the sector Full accounts in architecture and engineering (NACE 71)

Net result: middle half · Equity: middle half · Balance sheet total: middle half · Working capital: middle half · Staff: middle half

Staff

€70,354

Staff costs divided by the average number of full-time equivalents.

-2 people

people who joined people who left

In 2025, 2 people joined and 4 left.

Filed annual accounts

as filed with the National Bank, click a year to choose it
Line Trend20252024202320222021202020192018201720162015201420132012201120102009200820072006
Balance sheet: assets
20/58 867,625776,036632,438600,252660,531510,121629,732400,243380,579321,166433,659315,171278,123388,012326,085237,843181,052208,300167,543156,968
21/28 59,69686,16653,34632,15721,42441,89660,96764,22531,47433,20134,50541,99048,6026,02213,56424,47416,50112,85517,13123,153
21 2189531,6885201,0402,4003,7602,5203,360----6691,5062,510----
22/27 48,57074,30540,25015,8398,97628,08845,79950,29717,20622,29323,59731,08237,6944,70411,41121,31715,85412,20716,48322,505
23 5046728401,0081,1761,3441,512-------------
24 48,06673,63339,41014,8317,80026,74444,28750,29717,20622,29323,59731,08237,6944,70411,41121,31715,04210,58314,04719,257
26 ----------------8121,6242,4363,248
28 10,90810,90811,40815,79811,40811,40811,40811,40810,90810,90810,90810,90810,908648648648648648648648
29/58 807,930689,871579,092568,095639,106468,225568,765336,018349,106287,965399,154273,181229,521381,990312,520213,369164,550195,445150,412133,815
40/41 483,033420,713366,498227,667461,884319,304356,811181,621261,832246,997254,385273,181151,180336,870237,153199,123159,877105,288145,872129,642
40 483,033378,284349,372207,792442,063290,931319,245150,436261,832241,700254,385268,843147,884288,558189,563132,89199,41564,439140,623126,551
41 -42,42917,12619,87519,82128,37337,56631,185-5,297-4,3383,29648,31247,59066,23260,46140,8505,2493,091
54/58 269,203114,41770,469206,49430,446256137,954108,71066,27425,285--78,34142,96269,96510,3724,67387,413141234
490/1 55,694154,741142,125133,934146,776148,66574,00045,68721,00015,683144,769--2,1585,4023,873-2,7444,4003,939
Balance sheet: equity and liabilities
10/49 867,625776,036632,438600,252660,531510,121629,732400,243380,579321,166433,659315,171278,123388,012326,085237,843181,052208,300167,543156,968
10/15 339,150328,222275,183216,296209,059133,320241,752215,262212,507148,234127,06272,88364,369145,831143,765118,186105,89296,98976,55934,964
10/11 18,59218,59218,59218,59218,59218,59218,59218,59218,59218,59213,01413,01413,01413,01413,01413,01413,01413,01413,01413,014
10 ----18,592---------------
100 ----18,59218,59218,59218,59218,59218,59218,59218,59218,59218,59218,59218,59218,59218,59218,59218,592
101 ----------5,5785,5785,5785,5785,5785,5785,5785,5785,5785,578
13 45,10045,10046,95946,95946,95946,95946,95946,95946,95928,20920,6091,8591,859132,817130,750105,17192,8781,8591,8591,859
130/1 ---1,8591,8591,859--------------
130 ----1,8591,8591,8591,8591,8591,8591,8591,8591,8591,8591,8591,8591,8591,8591,8591,859
1311 ---1,859----------------
132 45,10045,10045,10045,10045,10045,10045,10045,10045,10026,35018,750---------
133 --1,859----------130,958128,891103,31291,019---
14 275,458264,530209,632150,744143,50867,768176,200149,711146,956101,43393,43858,01049,495----82,11561,68620,091
17/49 528,476447,814357,254383,956451,471376,801387,980184,981168,072172,932306,597242,288213,754242,180182,320119,65775,159111,31290,984122,004
17 16,98934,56723,59316,94724,86910,26014,52622,40416,94524,23414,18124,99524,894-1,38310,016--6,10513,950
170/4 16,98934,56723,5936,68714,609-4,26611,4996,04113,9743,92114,73524,894-1,38310,016--6,10513,950
178/9 ---10,26010,26010,26010,26010,90510,90510,26010,26010,260--------
42/48 503,987382,632301,277328,394378,680331,339339,806146,139137,683143,993292,416217,293188,860237,180180,937106,76675,15974,61381,853104,799
42 12,63020,52114,94912,44874,85579,09586,15265,73438,85836,90636,11272,57520,5851,3838,6338,633-6,1057,8469,089
43 96,64199,02177,02958,924-23,903----21,35015,238--3,4643,817--7,9854,625
430/8 96,64199,02177,02958,924-23,903----21,35015,238--3,4643,817--7,9854,625
44 194,06990,04172,36854,01956,80030,12226,8461,1708,2854,215113,72937,27031,154127,51286,17144,42833,12011,4305,70617,447
440/4 194,06990,04172,36854,01956,80030,12226,8461,1708,2854,215113,72937,27031,154127,51286,17144,42833,12011,4305,70617,447
45 170,647173,049134,331113,002197,024148,219226,80979,23590,54077,94971,22592,210137,121108,28682,66949,88842,04047,07936,73230,546
450/3 50,66267,74536,59735,14958,91242,594107,88520,62336,24639,06045,40633,80037,07660,05936,14923,37323,13127,20318,52812,785
454/9 119,985105,30497,73477,854138,113105,625118,92358,61154,29338,88925,81958,410100,04548,22746,52026,51518,90919,87618,20317,761
47/48 30,000-2,60090,00050,00050,000---24,92250,000------10,00023,58543,092
492/3 7,50030,61532,38538,61547,92335,20233,64816,43813,4444,705---5,000-2,875-36,6983,0263,255
Income statement
76A 1,437----------7,456--------
9900 1.2m1.1m877,628827,778870,477665,334815,305544,207518,282369,050459,097544,525560,568454,906351,808267,383256,472238,187215,206161,571
62 1.0m1.0m777,011680,137762,713741,482736,399505,250399,039318,555305,494514,091533,268415,984299,116229,539223,709171,519155,151153,303
630 19,43422,62811,2047,20512,29924,01626,94521,58319,29317,13413,64112,89213,56711,45110,91015,75115,09411,5248,9789,497
631/4 ----8,981-------------8,981--
640/8 1,6501,5561,17910,8302,6251,3711,3303,9009721,8582,1991,8116,1964,4321,3521,7705,8354,8124,2315,791
66A 54,385-------101275--75,557-------
9901 68,17282,50188,234138,58692,840-101,53450,63213,47498,87731,503137,76315,7317,53723,03940,43020,32311,83441,35046,846-7,020
75/76B 9573,0681052992,43836-4-1015,0134518-1,99233--
75 9573,0681052992,43836-4-1015,0134518-1,99233--
65/66B 6,2826,2823,9902,8633,8666,7552,6942,2363,8674,2949,3455,7157,02717,6661,3662,7628181,6555,2515,116
65 6,2826,2823,9902,8633,8666,7552,6942,2363,8674,0199,3455,7157,02717,6661,3662,7628181,6555,2515,116
66B ---------275----------
9903 62,84879,28784,349136,02291,412-108,25347,93711,24295,01027,210128,41817,472-70,0335,41839,08217,56113,00839,72941,595-12,136
67/77 21,92026,24825,46238,78615,67217921,4488,48730,73711,61524,2408,95811,4293,35213,5035,2684,1059,300--
9904 40,92853,03958,88897,23675,740-108,43226,4902,75564,27315,59585,4288,514-81,4622,06725,57912,2938,90430,42941,595-12,136
689 --------18,7507,600----------
9905 40,92853,03958,88897,23675,740-108,43226,4902,75545,5237,99585,4288,514-81,4622,06725,57912,2938,90430,42941,595-12,136
Appropriation of the result
9906 305,458262,671209,632240,744143,50867,768176,200149,711146,956101,433143,43858,010-81,4622,06725,57912,29391,01992,11561,68620,091
14P 264,530209,632150,744143,50867,768---------------
791/2 -1,859----------130,958-------
691/2 -------------2,06725,57912,29391,019---
6920 -------------2,06725,57912,29391,019---
694/7 30,000--90,000------50,000------10,000--
694 30,000--90,000----------------
695 ----------50,000------10,000--
Social balance sheet
9087 14.6151211.814.313.713.19.57.66.26.69.54.17.36.24.73333
Hours worked1013 21,06722,19917,44818,14922,32220,88221,18414,81212,5049,97610,88515,9916,98012,36310,5647,9047,5045,1985,2715,328
Document PDFPDFPDFPDFPDFPDFPDFPDFPDFPDFPDFPDFPDFPDFPDFPDFPDFPDFPDFPDF

The accounts for 12 older financial years (1991-2005) were filed as documents without figures as data, scans for example.

The notes to these accounts have 16 items, including the statement of assets and debts, the cost breakdown and rights and commitments. You find them in the filed accounts (PDF).

Source: Annual accounts 2025 (PDF), filed on 29-05-2026.

Download as CSV

Filings

each dot is a set of accounts, on the day it reached the National Bank
Financial year Type Filed Reference Document
31-12-2025 full format 29-05-2026 2026-00129841 PDF
31-12-2024 full format 02-06-2025 2025-00116267 PDF
31-12-2023 full format 27-06-2024 2024-00179495 PDF
31-12-2022 full format 03-07-2023 2023-00206418 PDF
31-12-2021 full format 30-08-2022 2022-20347344 PDF
31-12-2020 full format 25-10-2021 2021-73000377 PDF
31-12-2019 full format 29-10-2020 2020-68000288 PDF
31-12-2018 full format 28-08-2019 2019-55800441 PDF
31-12-2017 full format 10-09-2018 2018-62500327 PDF
31-12-2016 full format 06-07-2017 2017-30300378 PDF
31-12-2015 full format 19-09-2016 2016-60200446 PDF
31-12-2014 full format 26-06-2015 2015-22600070 PDF
31-12-2013 full format 14-08-2014 2014-42200326 PDF
31-12-2012 full format 31-07-2013 2013-37600147 PDF
31-12-2011 full format 31-08-2012 2012-55500116 PDF
31-12-2010 full format 20-11-2011 2011-61400369 PDF
31-12-2009 full format 31-08-2010 2010-51900337 PDF
31-12-2008 full format 28-08-2009 2009-68700307 PDF
31-12-2007 full format 29-07-2008 2008-50400161 PDF
31-12-2006 full format 20-07-2007 2007-44700206 PDF
31-12-2005 full format 26-07-2006 2006-53603085 PDF
31-12-2004 full format 27-09-2005 2005-72002388 PDF
31-12-2003 full format 29-07-2004 2004-53303758 PDF
31-12-2002 full format 25-07-2003 2003-50300001 PDF
31-12-2001 full format 31-07-2002 2002-44402723 PDF
31-12-2000 full format 30-07-2001 2001-44803326 PDF
31-12-1999 full format 18-07-2000 2000-43004735 PDF
31-12-1998 full format 10-11-1999 1999-58202738 PDF
31-12-1997 full format 10-09-1998 1998-46104132 PDF
31-12-1996 full format 13-03-1998 1998-04304157 PDF
31-12-1995 full format 13-03-1998 1998-04401447 PDF
31-12-1991 full format 28-07-1992 1992-25203615 PDF

Key figures and ratios

per financial year, computed from the annual accounts
Line Trend20252024202320222021202020192018201720162015201420132012201120102009200820072006
87,607105,12999,438145,792105,139-77,51877,57735,057118,17148,637151,40428,62321,10434,49051,34036,07426,92852,87455,8232,477
60,36275,66770,091104,44288,038-84,41653,43524,33883,56732,72899,07021,406-67,89513,51736,48928,04423,99841,95350,572-2,639
7,64355,94836,78217,9374,5914,94423,68754,33517,56615,8306,1566,28056,1473,908023,72418,7417,2482,955520
154,78643,948-136,024176,04830,190-137,69829,24442,43640,988---35,379-27,00459,5935,699-82,74087,273-93-
303,943307,239277,815239,701260,427136,885228,958189,879211,423143,972106,73855,88840,661144,810131,583106,60289,391120,83268,55929,016
39.1%42.3%43.5%36.0%31.7%26.1%38.4%53.8%55.8%46.2%29.3%23.1%23.1%37.6%44.1%49.7%58.5%46.6%45.7%22.3%
1.601.801.921.731.691.411.672.302.542.001.371.261.221.611.732.002.192.621.841.28
1.561.361.301.782.162.831.600.860.791.172.413.323.321.661.271.010.711.151.193.49
12.1%16.2%21.4%45.0%36.2%-81.3%11.0%1.3%30.2%10.5%67.2%11.7%-126.6%1.4%17.8%10.4%8.4%31.4%54.3%-34.7%
4.7%6.8%9.3%16.2%11.5%-21.3%4.2%0.7%16.9%4.9%19.7%2.7%-29.3%0.5%7.8%5.2%4.9%14.6%24.8%-7.7%
13.9516.7324.9250.9127.20---------------

EBIT margin: not included in this filing.

A Belgian filing has no cash-flow statement. Cash flow is therefore an approximation, derived from the income statement. Investment is the acquisitions in the notes and, without them, the balance-sheet move.

Social balance sheet

Item31-12-202531-12-202431-12-202331-12-202231-12-2021
Employees at the balance-sheet date1618161314
full-time79757
part-time99987
in full-time equivalents14.21613.81112.2
14.6151211.814.3
On a permanent contract1516151213
Joined2330-
Left4101-

Source: social balance sheet in the 2021 to 2025 annual accounts

Investments

fixed assets acquired
Item20252024202320222021
Tangible fixed assets€7,643€55,948€34,577€13,547€4,591
Intangible fixed assets--€2,205--
Financial fixed assets---€4,390-
€19,434€22,628€11,204€7,205€12,299

Source: notes to the 2021 to 2025 annual accounts (statement of fixed assets)

Insights on MK ENGINEERING

The operating result for 2025 is 17% lower than in 2024 and the lowest since 2020. It is the third fall in a row.

Debt's share of the balance-sheet total rises from 57.7% to 60.9%. Equity and debt are higher.

Board & ownership

Board

5 directors, last change in 2023
VOGLAIRE Corentin
Manager and director
appointed by deed of 18-10-2021
listed in the 2025 annual accounts, filed on 29-05-2026
WIERUSZ-KOWALSKI Piotr
Manager and director
appointed by deed of 18-10-2021
listed in the 2025 annual accounts, filed on 29-05-2026
LINARES DE MIGUEL Katia
Director (not named in the articles)
appointed by deed of 18-10-2023 term without a fixed end
earlier manager, until 18-10-2023
listed in the 2025 annual accounts, filed on 29-05-2026
VOGLAIRE Corentin Raphael Alexis
Director (not named in the articles)
appointed by deed of 18-10-2023 term without a fixed end
earlier manager, until 18-10-2023
listed in the 2025 annual accounts, filed on 29-05-2026
WIERUSZ-KOWALSKI Piotr François Jacques
Director (not named in the articles)
appointed by deed of 18-10-2023 term without a fixed end
earlier manager, until 18-10-2023
listed in the 2025 annual accounts, filed on 29-05-2026

Office holders in the KBO →

Mandates through the years

7 names, the dashed line is today
LINARES DE MIGUEL Katia
Director (not named in the articles)
VOGLAIRE Corentin
Manager and director
VOGLAIRE Corentin Raphael Alexis
Director (not named in the articles)
WIERUSZ-KOWALSKI Piotr
Manager and director
WIERUSZ-KOWALSKI Piotr François Jacques
Director (not named in the articles)
ALT-O
Manager and director
WIERUSZ-KOWALSKI Michal
Manager and director
BoardEarliermandate already running before its first mention
Mandates as a list
  • LINARES DE MIGUEL Katia
    • Manager and director, appointed by deed of 18-10-2021, until 18-10-2023
    • Director (not named in the articles), appointed by deed of 18-10-2023, still in office
  • VOGLAIRE Corentin
    • Manager and director, appointed by deed of 18-10-2021, still in office
  • VOGLAIRE Corentin Raphael Alexis
    • Director (not named in the articles), from 30-09-2021 to date
    • Manager, until 18-10-2023
  • WIERUSZ-KOWALSKI Piotr
    • Manager and director, appointed by deed of 18-10-2021, still in office
  • WIERUSZ-KOWALSKI Piotr François Jacques
    • Director (not named in the articles), from 30-09-2021 to date
    • Manager, until 18-10-2023
  • ALT-O
    • Manager and director, until 30-09-2021
  • WIERUSZ-KOWALSKI Michal
    • Manager and director, until 30-09-2021

See the board, name and registered office on a given date →

Control

Parent
ALT-O
Equity €316,812
Profit €12,719 in 2025 (profit €24,571 in 2024)
Checked score 91
Source: accounts ALT-O 2025
100%
This company
MK ENGINEERING
Equity €339,150
Profit €40,928 in 2025

Capital

Contribution
€18,592.01
Shares
250
Contribution per share
€74.37
Equity per share
€1,357 in 2025
Source
2025 annual accounts

Owners through the years

as the annual accounts name them
ALT-O
90%100%
100%
Owners as a list

Source: lists of holdings in the owners' accounts

Articles of association

deed of 18-10-2023 (in French)
DurationMost companies exist for an unlimited period, until they are dissolved.
Unlimited

Network & group

Group

ALT-O has 1 direct subsidiary (2025 accounts), the bar shows equity in euros
ParentALT-O1 holding, 1 country 2025 accounts

Belgium 1 Equity Result

  • BE MK Engineering €339,150 result €40,928

Source: list of holdings in the 2025 accounts of ALT-O. Every holding stands with its own latest accounts.

At the same address

Waterloose Steenweg 412F, 1050 Ixelles · 13 other companies
IRK CONSTRUCT
establishment since 08-08-2017 · founded in 2017
 total assets €650,182 (2025)
0679.643.762
GENERATIONS RECRUITMENT
registered office since 20-02-2009 · founded in 2009
 4.5 FTE (2025)
0809.956.928
Woman'do
registered office since 16-06-2014 · founded in 2013
 total assets €278,717 (2025)
0534.904.124
LDC Lex
establishment since 03-10-2025 · founded in 2025
 total assets €157,730 (2025)
1028.616.605
Poolpio
registered office since 25-07-2017 · founded in 2017 · negative equity (2025)
 total assets €69,294 (2025)
0678.853.807
KLDM Consulting
registered office since 16-12-2022 · founded in 2022
 total assets €62,269 (2025)
0794.915.889
Santé Globale
establishment since 24-04-2025 · founded in 2025
 total assets €38,266 (2025)
1021.571.930
POKITIN
registered office since 05-08-2011 · founded in 2011 · negative equity (2025)
 total assets €28,442 (2025)
0838.371.097
WIN-CLEAN SERVICES
registered office since 05-01-2017 · founded in 2017
 total assets €13,976 (2025)
0668.793.818
RECRELFIN
establishment since 22-11-2011 · founded in 2011
 total assets €705 (2025)
0841.300.695
and 3 more

Board mandates elsewhere

1 board mandate
Board mandates of MK ENGINEERINGMK ENGINEERING sits on their board1
Objectif Zéro
Director
No longer active · founded in 2006 · 2.8 FTE (2024)

Connections & network

5 current directors
Depth

The board mandates are listed under Board mandates elsewhere. The network lets you explore the same ties.

This company Company Director Shareholding +N: links not shown yet Click a node to look further, drag to arrange, zoom with the mouse wheel.

Timeline

Timeline

45 events since 1991

Deadline for the 2026 accounts: 31-07-2027

2026
Annual accounts 2025 filed PDFfull format · 63 days before the deadline
2025
Registered in the Peppol Directory Reachable for e-invoices through 0208:0442393244
Annual accounts 2024 filed PDFfull format · 59 days before the deadline
2024
Annual accounts 2023 filed PDFfull format · 34 days before the deadline
2023

Open the deed in the Belgian Official Gazette

Annual accounts 2022 filed PDFfull format · 28 days before the deadline
2022
Highest result from 2006 to 2025 net €97,236 ▲28.4% The operating result of €138,586 and the net result of €97,236 are both a record.
Annual accounts 2021 filed PDFfull format · 30 days late
2021
Back to profit net €75,740 The net result is €75,740, after one loss-making year.
Annual accounts 2020 filed PDFfull format · 86 days late
3 managers appointed, 2 resignationsResignations: WIERUSZ-KOWALSKI Michal (manager and director) and ALT-O SPRL (manager and director) · Appointments: LINARES DE MIGUEL Katia, VOGLAIRE Corentin and WIERUSZ-KOWALSKI Piotr · Director discharge: WIERUSZ-KOWALSKI Michal · General meeting of 15-09-20218 points ▸

Open the deed in the Belgian Official Gazette

2020
Weakest financial year net -€108,432 The net result drops to -€108,432, the lowest from 2006 to 2025. It recovers the following year.
Annual accounts 2019 filed PDFfull format · 90 days late
2019
Annual accounts 2018 filed PDFfull format · 28 days late
2018
Annual accounts 2017 filed PDFfull format · 41 days late
2017
Equity above €200,000 equity €212,507 ▲43.4% After 4 profitable years in a row, equity reaches €212,507.
Annual accounts 2016 filed PDFfull format · 25 days before the deadline
2016
Annual accounts 2015 filed PDFfull format · 50 days late
2015
Annual accounts 2014 filed PDFfull format · 35 days before the deadline
2014
Back to profit net €8,514 The net result is €8,514, after one loss-making year.
Annual accounts 2013 filed PDFfull format · 14 days late
2013
Annual accounts 2012 filed PDFfull format · on the deadline day
2012
Annual accounts 2011 filed PDFfull format · 31 days late
2011
Annual accounts 2010 filed PDFfull format · 112 days late
2010
Annual accounts 2009 filed PDFfull format · 31 days late
2009
Equity above €100,000 equity €105,892 ▲9.2% After 3 profitable years in a row, equity reaches €105,892.
Annual accounts 2008 filed PDFfull format · 28 days late
Energy performance certifier approval granted GazetteDecision of 25-08-2009, published on 07-10-2009
2008
Annual accounts 2007 filed PDFfull format · 2 days before the deadline
2007
Back to profit net €41,595 The net result is €41,595, after one loss-making year.
Annual accounts 2006 filed PDFfull format · 11 days before the deadline
2006
Annual accounts 2005 filed PDFfull format
2005
Annual accounts 2004 filed PDFfull format
2004
Annual accounts 2003 filed PDFfull format
2003
Annual accounts 2002 filed PDFfull format
2002
Annual accounts 2001 filed PDFfull format
2001
Annual accounts 2000 filed PDFfull format
2000
Annual accounts 1999 filed PDFfull format
1999
Annual accounts 1998 filed PDFfull format
1998
Annual accounts 1997 filed PDFfull format
Annual accounts 1995 filed PDFfull format
Annual accounts 1996 filed PDFfull format
1992
Annual accounts 1991 filed PDFfull format
1991
Incorporation published on 26-01-1991
First establishment Waterloose Steenweg 412F, Ixelles

Financial milestones sit on the financial year-end date, not the filing date.

Sources: Publications in the Belgian Official GazetteFilings with the National Bank

History

MK ENGINEERING was incorporated on 2 January 1991.1 Total assets rose from €400,243 in 2018 to €867,625 in 2025 and headcount from 9.5 to 14.6 full-time equivalents.2

  1. 1KBO register
  2. 2National Bank, annual accounts 2018 and 2025

Company details

Identity

Enterprise number
0442.393.244
VAT number
BE 0442.393.244
Peppol ID
0208:0442393244
Legal form
Private limited company
Status
Active, normal situation
Founded
02-01-1991
Financial year
ends on 31 December
Peppol
Reachable since 21-10-2025Follow this company and you will hear the next morning if it leaves the Peppol register.
Name
MK ENGINEERING in French
Entity type
Legal entity
DurationMost companies exist for an unlimited period, until they are dissolved.
Unlimited
deed of 18-10-2023 (in French)
Registered office clauseThe articles name the region of the registered office. The language of official documents depends on that region, among other things.
“Région de Bruxelles-Capitale”
deed of 18-10-2023 (in French)

Activities

NACEBEL 2025
VAT activities
71121 Engineering and related technical consultancy, excluding land surveyors main activity
71209 Other technical testing and analysis
72109 Other research and development on natural sciences
72200 Scientific research and development
74140 Other specialised design activities
74999 Other professional, scientific and technical activities
Social security (RSZ) activities
71121 Engineering and related technical consultancy, excluding land surveyors main activity
Codes under NACEBEL 2008
VAT activities
71121 Engineering activities main activity
71209 Other technical testing and analysis
72190 Scientific research and development
72200 Scientific research and development
74109 Other professional, scientific and technical activities
74909 Other professional, scientific and technical activities
Social security (RSZ) activities
71121 Engineering activities main activity
Codes under NACEBEL 2003
74203 main activity
PurposeThe purpose describes the activities the company may carry out under its articles.
“Innovation,réflexion,qualité et esthétique; Considérations environnementales et de long terme; Démarche humaniste et équitable; Maîtrise des…”
16 activities
  1. Innovation,réflexion,qualité et esthétique
  2. Considérations environnementales et de long terme
  3. Démarche humaniste et équitable
  4. Maîtrise des coûts et de la viabilité
  5. Accomplir toutes opérations commerciales,industrielles,financières,mobilières,immobilières,civiles,ayant rapport direct ou indirect avec objet et pouvant en faciliter exploitation et développement
  6. S’intéresser par toutes voies dans toutes sociétés,entreprises,affaires,associations,dont objet serait identique,analogue ou connexe au sien,ou même susceptible simplement de favoriser activité sociale
  7. Faire tous actes,transactions ou opérations,commerciales,financières,mobilières ou immobilières se rapportant directement ou indirectement à objet ou qui seront de nature à en faciliter ou développer réalisation
  8. Réaliser objet,soit par action directe,soit en prenant des intérêts dans des entreprises,des sociétés,en tout ou en partie,similaire ou connexes
  9. Peut être administrateur ou liquidateur
  10. De missions en techniques spéciales,
  11. D’études de conception de bâtiments durables en termes de performances énergétiques et environnementales,
  12. D’audits énergétiques de bâtiments et d’installations techniques,
  13. De certifications énergétiques et environnementales des bâtiments,
  14. De formations et de sensibilisations,
  15. De gestion immobilière,
  16. Et toutes autres disciplines connexes relatives au bâtiment et à l’environnement.
deed of 18-10-2023 (in French)

Registered office and establishments

1 establishment
Establishment Since Unit number
Waterloose Steenweg 412F registered office 1050 Ixelles 02-01-1991 2.229.160.463

Buildings and parcels at the address

Ground area
9,346 m²
Buildings
1,407 m²
Volume, LiDAR
25,889 m³
Tallest building
29.7 m
Buildings to scale, each on its own parcel
1,407 m², 29.7 m 1,407 m², 29.7 m

Location

registered office establishment The establishment unit on the map
14 companies at this address See who is registered here

Parcels

Cadastral parcelArea Buildings Height / floors
21447B0298/00S0139,346 m² 1 · 1,407 m² 29.7 m · 6

Recognitions

Licences in the Official Gazette

1 publication
Energy performance certifier approval
Granted · decision 25-08-2009 · published on 07-10-2009 · Official Gazette

Contact

E-mail c.voglaire@mkengineering.be establishment in Elsene
Phone +32 2 340 65 00 establishment in Elsene

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