ISOR Group
0421.880.912 · rovalta.com · 23/09/2026
ISOR Group
Overview
What does ISOR Group do?
ISOR Group is a Public limited company incorporated in 1981. Its main activity is: Other professional, scientific and technical activities. Its registered office is in Zaventem. It employs on average 9,4 ETP workers (FTE).
1930 Zaventem · FlandreSee on map
Joint committees (3)
- 121
- 200
- 218
Trend over 20 financial years
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Income statement | |||||||||||||||||||||||||||||||||||||||
| Gross margin | 1,6 M € | +22.1% | 1,3 M € | -9.6% | 1,5 M € | +10.8% | 1,3 M € | +18.0% | 1,1 M € | +10.5% | 1 M € | -22.4% | 1,3 M € | -6.3% | 1,4 M € | +1.5% | 1,4 M € | -4.3% | 1,4 M € | -0.2% | 1,4 M € | -2.9% | 1,5 M € | -4.6% | 1,5 M € | -3.0% | 1,6 M € | +3.5% | 1,5 M € | +17.0% | 1,3 M € | +13.6% | 1,2 M € | -4.9% | 1,2 M € | +5.6% | 1,2 M € | +4.4% | 1,1 M € |
| EBITDA | 818 k € | +19.0% | 687,4 k € | -15.8% | 816,3 k € | -3.7% | 847,9 k € | +15.3% | 735,5 k € | +3.8% | 708,7 k € | -12.2% | 807,4 k € | -4.5% | 845,2 k € | +11.8% | 756 k € | -9.0% | 830,5 k € | -6.0% | 883,5 k € | -2.4% | 905,3 k € | -7.0% | 972,9 k € | -1.6% | 988,6 k € | +5.2% | 939,6 k € | +25.4% | 749,4 k € | +31.1% | 571,7 k € | -3.3% | 591,2 k € | -4.6% | 620 k € | +8.9% | 569,2 k € |
| Operating result | 388,8 k € | +13.5% | 342,6 k € | -59.6% | 847,6 k € | +2.0% | 830,7 k € | +22.6% | 677,3 k € | +3.4% | 654,9 k € | -13.1% | 753,3 k € | -5.7% | 798,9 k € | +16.6% | 685,2 k € | -11.6% | 775 k € | -6.7% | 830,3 k € | +4.4% | 795,2 k € | -10.7% | 891 k € | +0.2% | 888,8 k € | +2.0% | 871,5 k € | +30.8% | 666,4 k € | +27.1% | 524,5 k € | -1.6% | 532,9 k € | -6.3% | 568,7 k € | +12.4% | 506 k € |
| Net result | 277,5 k € | +18.4% | 234,4 k € | -62.6% | 626,3 k € | +1.8% | 615,1 k € | +22.0% | 504,1 k € | +3.4% | 487,3 k € | -10.4% | 543,9 k € | -4.4% | 569 k € | +23.0% | 462,6 k € | -13.4% | 534,4 k € | -5.3% | 564 k € | +4.4% | 540,2 k € | -9.5% | 597 k € | -0.5% | 599,9 k € | +1.6% | 590,7 k € | +29.1% | 457,5 k € | +20.1% | 380,9 k € | +1.6% | 374,9 k € | -9.1% | 412,5 k € | +18.1% | 349,4 k € |
| Balance sheet | |||||||||||||||||||||||||||||||||||||||
| Equity | 1,2 M € | +272% | 317 k € | +1.4% | 312,6 k € | +0.4% | 311,3 k € | +0.0% | 311,2 k € | -0.3% | 312,1 k € | +0.8% | 309,7 k € | +1.3% | 305,8 k € | +3.0% | 296,8 k € | +0.2% | 296,2 k € | +9.0% | 271,8 k € | +1.5% | 267,8 k € | +2.0% | 262,6 k € | -1.1% | 265,6 k € | -0.1% | 265,7 k € | -46.3% | 495,1 k € | +4.8% | 472,6 k € | +5.8% | 446,7 k € | +5.9% | 421,8 k € | +5.6% | 399,3 k € |
| Total assets | 2,8 M € | +50.9% | 1,9 M € | +19.0% | 1,6 M € | +27.7% | 1,2 M € | +12.7% | 1,1 M € | +6.4% | 1 M € | -15.0% | 1,2 M € | -4.7% | 1,3 M € | +5.3% | 1,2 M € | +1.2% | 1,2 M € | +4.4% | 1,1 M € | -4.7% | 1,2 M € | -8.1% | 1,3 M € | -3.4% | 1,3 M € | +5.7% | 1,3 M € | -12.6% | 1,4 M € | +21.5% | 1,2 M € | -3.0% | 1,2 M € | -3.6% | 1,3 M € | +3.2% | 1,2 M € |
| Cash | 497,3 k € | +64.9% | 301,5 k € | +18.9% | 253,6 k € | -39.8% | 421 k € | -4.7% | 441,7 k € | +12.7% | 392,1 k € | +52.7% | 256,7 k € | -30.8% | 370,8 k € | +30.1% | 284,9 k € | -22.4% | 367 k € | +20.7% | 304 k € | -10.8% | 340,7 k € | -29.3% | 482 k € | +15.6% | 417,1 k € | +30.5% | 319,6 k € | -47.1% | 604,6 k € | +52.1% | 397,4 k € | +44.8% | 274,5 k € | -25.4% | 367,8 k € | -6.6% | 394 k € |
| Debts | 1,6 M € | +5.1% | 1,5 M € | +23.2% | 1,2 M € | +36.8% | 909,7 k € | +17.7% | 773 k € | +9.3% | 707 k € | -20.5% | 889,6 k € | -5.6% | 941,9 k € | +5.5% | 893,1 k € | +0.9% | 885,3 k € | +3.2% | 857,9 k € | -6.7% | 919,4 k € | -10.6% | 1 M € | -3.7% | 1,1 M € | +7.0% | 998,7 k € | +5.9% | 943,4 k € | +31.8% | 716 k € | -7.9% | 777,1 k € | -8.3% | 847,2 k € | +1.9% | 831,6 k € |
| Other | |||||||||||||||||||||||||||||||||||||||
| Workforce | 9,4 ETP | +14.6% | 8,2 ETP | +3.8% | 7,9 ETP | -3.7% | 8,2 ETP | +5.1% | 7,8 ETP | +5.4% | 7,4 ETP | -9.8% | 8,2 ETP | -10.9% | 9,2 ETP | -14.8% | 10,8 ETP | – | 10,9 ETP | -5.2% | 11,5 ETP | -5.0% | 12,1 ETP | -1.6% | 12,3 ETP | 0.0% | 12,3 ETP | +1.7% | 12,1 ETP | -4.0% | 12,6 ETP | -10.6% | 14,1 ETP | +5.2% | 13,4 ETP | +3.9% | 12,9 ETP | ||
Indicative valuation
As an indication, this company is worth
Board of directors
Seen on filing of 31/12/2025 · 3 active · 18 ended
Other companies at this address
Financials
Full financial information
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Type of account | Abridged model | Abridged model | Abridged model | Abridged model | Abridged model | Abridged model |
| Start of the financial year | 01/01/2025 | 01/01/2024 | 01/01/2023 | 01/01/2022 | 01/01/2021 | 01/01/2020 |
| Closing of the financial year | 31/12/2025 | 31/12/2024 | 31/12/2023 | 31/12/2022 | 31/12/2021 | 31/12/2020 |
| Length of the financial year | 12 months | 12 months | 12 months | 12 months | 12 months | 12 months |
| Filing date | 11/06/2026 | 28/08/2025 | 08/08/2024 | 14/06/2023 | 19/07/2022 | 17/06/2021 |
| General meeting | 19/05/2026 | 10/06/2025 | 11/06/2024 | 13/06/2023 | 14/06/2022 | 08/06/2021 |
| Currency of the financial year | EUR | EUR | EUR | EUR | EUR | EUR |
| NBB quality label | Satisfying controls | Satisfying controls | Satisfying controls | Satisfying controls | Satisfying controls | Satisfying controls |
Financial ratios
Looking for more information about this company?
Try for 7 daysAnnual accounts filings
20 filings with the NBB
| Model | Closing | General meeting | Filed | Language | Document |
|---|---|---|---|---|---|
| Abridged model | 31/12/2025 | 19/05/2026 | 11/06/2026 | Dutch | |
| Abridged model | 31/12/2024 | 10/06/2025 | 28/08/2025 | Dutch | |
| Abridged model | 31/12/2023 | 11/06/2024 | 08/08/2024 | French | |
| Abridged model | 31/12/2022 | 13/06/2023 | 14/06/2023 | French | |
| Abridged model | 31/12/2021 | 14/06/2022 | 19/07/2022 | French | |
| Abridged model | 31/12/2020 | 08/06/2021 | 17/06/2021 | French | |
| Abridged model | 31/12/2019 | 09/06/2020 | 03/08/2020 | French | |
| Abridged model | 31/12/2018 | 11/06/2019 | 20/06/2019 | French | |
| Abridged model | 31/12/2017 | 12/06/2018 | 05/07/2018 | French | |
| Micro model | 31/12/2016 | 13/06/2017 | 22/06/2017 | French | |
| Abridged model | 31/12/2015 | 14/06/2016 | 15/06/2016 | French | |
| Abridged model | 31/12/2014 | 09/06/2015 | 15/06/2015 | French | |
| Abridged model | 31/12/2013 | 10/06/2014 | 24/06/2014 | French | |
| Abridged model | 31/12/2012 | 11/06/2013 | 30/07/2013 | French | |
| Abridged model | 31/12/2011 | 12/06/2012 | 16/07/2012 | French | |
| Abridged model | 31/12/2010 | 14/06/2011 | 15/07/2011 | French | |
| Abridged model | 31/12/2009 | 14/06/2010 | 29/06/2010 | French | |
| Abridged model | 31/12/2008 | 09/06/2009 | 26/08/2009 | French | |
| Abridged model | 31/12/2007 | 10/06/2008 | 24/06/2008 | French | |
| Abridged model | 31/12/2006 | 12/06/2007 | 25/06/2007 | French |
Valuation
Indicative valuation
As an indication, this company is worth
between 5 M€ and 10 M€
The detail comes with the Business plan: low and high bounds, the valuation bridge for each financial year, transaction multiples by sector and size, group valuation and exports.
Indicative estimate based on public sector multiples and the filed annual accounts. It is neither a certified valuation nor financial or investment advice.
Directors & structure
Board of directors
Seen on filing of 31/12/2025 · 3 active · 18 ended
Ownership and network
Looking for more information about this company?
Try for 7 daysPublications
Belgian Official Gazette publications
- Restructuring28/11/2025KAPITAAL - AANDELEN - RUBRIEK HERSTRUCTURERING (FUSIE, SPLITSING, OVERDRACHT VERMOGEN, ENZ...)
- Restructuring13/11/2025RUBRIEK HERSTRUCTURERING (FUSIE, SPLITSING, OVERDRACHT VERMOGEN, ENZ...)
- Restructuring08/08/2025RUBRIEK HERSTRUCTURERING (FUSIE, SPLITSING, OVERDRACHT VERMOGEN, ENZ...)
- Registered office18/10/2024STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, ) - BENAMING - MAATSCHAPPELIJKE ZETEL - DIVERSEN - DOEL
- Mandates10/11/2023DEMISSIONS, NOMINATIONS
- Mandates12/09/2022DEMISSIONS, NOMINATIONS
- Mandates06/01/2022DEMISSIONS, NOMINATIONS
- Mandates30/06/2016DEMISSIONS, NOMINATIONS
Source: Belgian Official Gazette
Similar companies
Similar companies
A company's peers, by sector and size, are included in the Business plan.
See the Business planTimeline
Timeline
- 2025Annual accounts 2025277,5 k €↑
- 2024Annual accounts 2024234,4 k €↓
- 2024Name changeISOR Group
- 2023Annual accounts 2023626,3 k €↑
- 2022Annual accounts 2022615,1 k €↑
- 2021Annual accounts 2021504,1 k €↑
- 2021Name changeLA MAISON DU NETTOYAGE
- 2020Annual accounts 2020487,3 k €↓
- 2019Annual accounts 2019543,9 k €↓
- 2018Annual accounts 2018569 k €↑
- 2017Annual accounts 2017462,6 k €↓
- 2016Annual accounts 2016534,4 k €↓
- 2015Annual accounts 2015564 k €↑
- 2014Annual accounts 2014540,2 k €↓
- 2013Annual accounts 2013597 k €↓
- 2012Annual accounts 2012599,9 k €↑
- 2011Annual accounts 2011590,7 k €↑
- 2010Annual accounts 2010457,5 k €↑
- 2009Annual accounts 2009380,9 k €↑
- 2008Annual accounts 2008374,9 k €↓
- 2007Annual accounts 2007412,5 k €↑
- 2006Annual accounts 2006349,4 k €
- 24/09/1981IncorporationPublic limited company