Tandem
0428.708.623 · rovalta.com · 23/09/2026
ACTIVE
Tandem
Financial year 2025 · closed on 31/12/2025
Net result
148,7 k €
+218.2% YoY
Revenue
619 k €
+15.1% YoY
Equity
1,9 M €
+5.2% YoY
Workforce
52,8 ETP
+2.9% YoY
Overview
What does Tandem do?
Tandem is a Non-profit organization incorporated in 1983. Its main activity is: Technical and vocational secondary education. Its registered office is in Diepenbeek. It employs on average 52,8 ETP workers (FTE).
Legal situation
● Normal situation
BCE/KBO no. / VAT
BE 0428.708.623
Incorporation
14/09/1983
Legal form
Non-profit organization
Registered office
Onze-Lieve-Vrouwstraat 18
3590 Diepenbeek · FlandreSee on map
3590 Diepenbeek · FlandreSee on map
Latest accounts
31/12/2025
Average workforce
52,8 ETP
Activities (NACE)
Joint committees (1)
- 31901
Signals
ProfitableSolid equityLow riskGood liquidityPositive cashflowPositive EBITDAHealthy social debts
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Financials
Trend over 18 financial years
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2007 | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Income statement | |||||||||||||||||||||||||||||||||||
| Revenue | 619 k € | +15.1% | 537,8 k € | -6.6% | 575,5 k € | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 163,1 k € | |||||||||||||||
| EBITDA | 408,6 k € | +210% | 131,9 k € | -45.5% | 242,1 k € | +37.2% | 176,5 k € | -60.9% | 450,8 k € | +51.8% | 296,9 k € | -10.3% | 331,1 k € | +109% | 158,6 k € | -15.3% | 187,3 k € | +53.2% | 122,2 k € | -47.2% | 231,7 k € | +725% | -37,1 k € | -122% | 171,4 k € | +392% | -58,7 k € | +71.4% | -205,2 k € | -202% | 202 k € | +13.3% | 178,2 k € | -44.9% | 323,7 k € |
| Operating result | 189,7 k € | +325% | -84,4 k € | -333% | 36,2 k € | +258% | -22,9 k € | -109% | 266 k € | +116% | 123,4 k € | -29.2% | 174,2 k € | +4139% | 4,1 k € | -87.1% | 31,9 k € | +204% | -30,7 k € | -138% | 81,7 k € | +144% | -183,6 k € | -407% | 59,9 k € | +137% | -161,8 k € | +46.2% | -300,6 k € | -378% | 107,9 k € | +18.8% | 90,9 k € | -63.2% | 247,2 k € |
| Net result | 148,7 k € | +218% | -125,8 k € | -1439% | -8,2 k € | -139% | -3,4 k € | -101% | 287,1 k € | +105% | 140,3 k € | -27.8% | 194,3 k € | +3659% | 5,2 k € | +218% | 1,6 k € | +104% | -39,1 k € | -128% | 137,3 k € | +219% | -115,9 k € | -335% | 49,3 k € | +132% | -152,1 k € | +45.2% | -277,7 k € | -307% | 134 k € | +15.1% | 116,4 k € | -55.2% | 259,5 k € |
| Balance sheet | |||||||||||||||||||||||||||||||||||
| Equity | 1,9 M € | +5.2% | 1,8 M € | -9.4% | 1,9 M € | -3.2% | 2 M € | -2.9% | 2,1 M € | +12.5% | 1,8 M € | +4.7% | 1,8 M € | +8.5% | 1,6 M € | -3.1% | 1,7 M € | -3.2% | 1,7 M € | -5.3% | 1,8 M € | +4.6% | 1,7 M € | +41.0% | 1,2 M € | +1.5% | 1,2 M € | -13.1% | 1,4 M € | -18.1% | 1,7 M € | +6.4% | 1,6 M € | +0.3% | 1,6 M € |
| Total assets | 3,5 M € | -10.5% | 3,9 M € | -9.1% | 4,3 M € | -7.0% | 4,7 M € | -0.4% | 4,7 M € | +5.2% | 4,4 M € | +5.6% | 4,2 M € | +9.0% | 3,9 M € | -3.3% | 4 M € | -3.5% | 4,1 M € | -5.8% | 4,4 M € | -2.0% | 4,5 M € | +17.3% | 3,8 M € | +61.0% | 2,4 M € | +17.0% | 2 M € | -13.1% | 2,3 M € | +7.7% | 2,2 M € | -2.5% | 2,2 M € |
| Cash | 450,4 k € | +93.1% | 233,3 k € | -74.0% | 896 k € | +14.6% | 781,9 k € | -15.9% | 929,7 k € | +496% | 155,9 k € | -30.0% | 222,7 k € | +29.5% | 172 k € | -51.4% | 354,2 k € | +235% | 105,8 k € | +20.2% | 88,1 k € | +11.2% | 79,2 k € | +15.0% | 68,9 k € | +4.9% | 65,7 k € | +93.8% | 33,9 k € | +18.6% | 28,6 k € | -48.8% | 55,9 k € | -3.5% | 57,9 k € |
| Debts | 1,7 M € | -22.9% | 2,2 M € | -1.7% | 2,2 M € | -11.2% | 2,5 M € | +1.4% | 2,4 M € | -0.6% | 2,5 M € | +0.2% | 2,5 M € | +9.4% | 2,2 M € | -3.4% | 2,3 M € | -3.8% | 2,4 M € | -6.1% | 2,6 M € | -6.3% | 2,7 M € | +6.2% | 2,6 M € | +123% | 1,2 M € | +83.9% | 628,6 k € | +1.0% | 622,2 k € | +10.7% | 561,8 k € | -9.4% | 619,9 k € |
| Other | |||||||||||||||||||||||||||||||||||
| Workforce | 52,8 ETP | +2.9% | 51,3 ETP | -0.4% | 51,5 ETP | -3.4% | 53,3 ETP | +4.1% | 51,2 ETP | +17.4% | 43,6 ETP | +9.3% | 39,9 ETP | -4.5% | 41,8 ETP | +10.9% | 37,7 ETP | +3.3% | 36,5 ETP | +0.8% | 36,2 ETP | -4.0% | 37,7 ETP | +10.9% | 34,0 ETP | +6.9% | 31,8 ETP | +5.0% | 30,3 ETP | +14.8% | 26,4 ETP | 0.0% | 26,4 ETP | +19.5% | 22,1 ETP |
Estimate
Indicative valuation
As an indication, this company is worth
between 1 M€ and 2,5 M€
See the valuationGovernance
Board of directors
Seen on filing of 31/12/2025 · 6 active · 74 ended
Active mandates
Ludo Naelaerts
ActiveAnna Machiels
ActiveKoen Molemans
ActiveGyselaers Eliane
ActiveFrans De Vos
ActiveGhislaine Palmers
ActiveEnded mandates
Anneleen Machiels
EndedEliane Gyselaers
EndedEugène Marcel Nicolaes
EndedFrans De Vos
EndedAt this address
Other companies at this address
| Company | CBE no. |
|---|---|
VRIENDEN VAN TANDEM● Active | 0467.449.829 |
Financials
Annual accounts
Full financial information
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Type of account | Full model | Full model | Full 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 | 21/05/2026 | 19/05/2025 | 27/06/2024 | 26/05/2023 | 03/05/2022 | 12/07/2021 |
| General meeting | 29/04/2026 | 30/04/2025 | 26/06/2024 | 26/04/2023 | 27/04/2022 | 30/06/2021 |
| 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 |
Ratios
Financial ratios
Looking for more information about this company?
Try for 7 daysFilings
Annual accounts filings
19 filings with the NBB
| Model | Closing | General meeting | Filed | Language | Document |
|---|---|---|---|---|---|
| Full model | 31/12/2025 | 29/04/2026 | 21/05/2026 | Dutch | |
| Full model | 31/12/2024 | 30/04/2025 | 19/05/2025 | Dutch | |
| Full model | 31/12/2023 | 26/06/2024 | 27/06/2024 | Dutch | |
| Abridged model | 31/12/2022 | 26/04/2023 | 26/05/2023 | Dutch | |
| Abridged model | 31/12/2021 | 27/04/2022 | 03/05/2022 | Dutch | |
| Abridged model | 31/12/2020 | 30/06/2021 | 12/07/2021 | Dutch | |
| Abridged model | 31/12/2019 | 24/06/2020 | 29/10/2020 | Dutch | |
| Abridged model | 31/12/2018 | 24/04/2019 | 24/05/2019 | Dutch | |
| Abridged model | 31/12/2017 | 19/04/2018 | 28/08/2018 | Dutch | |
| Abridged model | 31/12/2016 | 26/04/2017 | 11/05/2017 | Dutch | |
| Abridged model | 31/12/2015 | 27/04/2016 | 17/05/2016 | Dutch | |
| Abridged model | 31/12/2014 | 22/04/2015 | 19/05/2015 | Dutch | |
| Abridged model | 31/12/2013 | 23/04/2014 | 27/05/2014 | Dutch | |
| Abridged model | 31/12/2012 | 24/04/2013 | 28/05/2013 | Dutch | |
| Abridged model | 31/12/2011 | 25/04/2012 | 25/05/2012 | Dutch | |
| Abridged model | 31/12/2010 | 27/04/2011 | 29/04/2011 | Dutch | |
| Abridged model | 31/12/2009 | 28/04/2010 | 30/04/2010 | Dutch | |
| Abridged model | 31/12/2007 | 17/05/2008 | 11/06/2008 | Dutch | |
| Abridged model | 31/12/2006 | 19/06/2007 | 26/06/2007 | Dutch |
Valuation
Estimate
Indicative valuation
Order of magnitude
As an indication, this company is worth
between 1 M€ and 2,5 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.
Disclaimer
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
Governance
Board of directors
Seen on filing of 31/12/2025 · 6 active · 74 ended
Active mandates
Ludo Naelaerts
ActiveAnna Machiels
ActiveKoen Molemans
ActiveGyselaers Eliane
ActiveFrans De Vos
ActiveGhislaine Palmers
ActiveEnded mandates
Anneleen Machiels
EndedEliane Gyselaers
EndedEugène Marcel Nicolaes
EndedFrans De Vos
EndedShareholders
Ownership and network
Looking for more information about this company?
Try for 7 daysPublications
Belgian Official Gazette
Belgian Official Gazette publications
- Mandates01/08/2025ONTSLAGEN - BENOEMINGEN
- Mandates17/03/2025ONTSLAGEN - BENOEMINGEN
- Mandates05/07/2024ONTSLAGEN - BENOEMINGEN
- Mandates22/08/2022ONTSLAGEN - BENOEMINGEN
- Mandates14/03/2022ONTSLAGEN - BENOEMINGEN - STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, )
- Mandates23/11/2021ONTSLAGEN - BENOEMINGEN
- Mandates16/12/2020ONTSLAGEN - BENOEMINGEN
- Mandates31/05/2019ONTSLAGEN - BENOEMINGEN
Source: Belgian Official Gazette
Similar companies
Competition
Similar companies
A company's peers, by sector and size, are included in the Business plan.
See the Business planTimeline
Timeline
- 2025Annual accounts 2025148,7 k €↑
- 2024Annual accounts 2024-125,8 k €↓
- 2023Annual accounts 2023-8,2 k €↓
- 2022Annual accounts 2022-3,4 k €↓
- 2021Annual accounts 2021287,1 k €↑
- 2020Annual accounts 2020140,3 k €↓
- 2019Annual accounts 2019194,3 k €↑
- 2018Annual accounts 20185,2 k €↑
- 2017Annual accounts 20171,6 k €↑
- 2016Annual accounts 2016-39,1 k €↓
- 2015Annual accounts 2015137,3 k €↑
- 2014Annual accounts 2014-115,9 k €↓
- 2013Annual accounts 201349,3 k €↑
- 2012Annual accounts 2012-152,1 k €↑
- 2011Annual accounts 2011-277,7 k €↓
- 2010Annual accounts 2010134 k €↑
- 2009Annual accounts 2009116,4 k €↓
- 2007Annual accounts 2007259,5 k €
- 14/09/1983IncorporationNon-profit organization