A ET S SERTANG
0464.973.755 · rovalta.com · 27/09/2026
ACTIVE
A ET S SERTANG
Financial year 2025 · Closed on 31/12/2025
Net result4,4 k €+113,2 %over 1 year
Revenue857,2 k €+24,9 %over 1 year
Equity7,8 M €+0,1 %over 1 year
Workforce3,9 ETP+8,3 %over 1 year
Overview
Identity
Source · BCE/KBOA ET S SERTANG is a Private limited company incorporated in 1998. Its main activity is: Management consultancy activities. Its registered office is in Wavre. It employs on average 3,9 ETP workers (FTE).
- Legal situation
- Normal situation
- BCE/KBO no. / VAT
- BE 0464.973.755
- Incorporation
- 23/12/1998
- Legal form
- Private limited company
- Registered office
- Chaussée de Namur 250
1300 Wavre · WallonieSee on map - Contributed capital
- 18 592,01 €
- Latest accounts
- 31/12/2025
- Average workforce
- 3,9 ETP
Activities (NACE)
70200Management consultancy activities· main70220Business and other management consultancy activities74142Specialised design activities74700Other professional, scientific and technical activities81220Other building and industrial cleaning activities81220Other building and industrial cleaning activities
Signals
ProfitableSolid equityPositive cashflowPositive EBITDAHealthy social debts
Financials
Source · NBB, 35 filingsTrend over 20 financial years
| 2025 | 2024 | 2023 | 2022 | 2021 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Income statement | |||||||||
| Revenue | 857,2 k € | +24.9% | 686,4 k € | -17.5% | 831,6 k € | -26.1% | 1,1 M € | -40.7% | 1,9 M € |
| EBITDA | 183,3 k € | +5.7% | 173,4 k € | +202% | -170,6 k € | -128% | 619,1 k € | +5.5% | 586,6 k € |
| Operating result | 73,8 k € | +33.7% | 55,2 k € | -29.6% | 78,4 k € | -69.5% | 256,9 k € | -59.1% | 628,4 k € |
| Net result | 4,4 k € | +113% | -33,6 k € | +93.2% | -496,7 k € | -32361% | 1,5 k € | -97.5% | 60,4 k € |
| Balance sheet | |||||||||
| Equity | 7,8 M € | +0.1% | 7,8 M € | -0.4% | 7,8 M € | -6.0% | 8,3 M € | +0.0% | 8,3 M € |
| Total assets | 11,8 M € | -0.3% | 11,8 M € | -9.5% | 13,1 M € | +1.6% | 12,9 M € | +16.3% | 11,1 M € |
| Cash | 83,1 k € | +89.8% | 43,8 k € | -53.3% | 93,8 k € | -50.1% | 187,7 k € | +238% | 55,6 k € |
| Debts | 4 M € | -0.8% | 4,1 M € | -22.7% | 5,2 M € | +24.6% | 4,2 M € | +60.4% | 2,6 M € |
| Other | |||||||||
| Workforce | 3,9 ETP | +8.3% | 3,6 ETP | +16.1% | 3,1 ETP | -32.6% | 4,6 ETP | -59.6% | 11,4 ETP |
Valuation
Indicative valuation
As an indication, this company is worth
between 0 € and 100 k€
See the valuationBoard of directors
Source · NBB, accounts to 31/12/20252 active · 16 ended
Active mandates
| Director | Function | Mandate | Other mandatescurrentendedstruck offbankruptcies |
|---|---|---|---|
Annick GINION | Director | since 01/07/2022 | 00 |
Stéphane SERTANG | Director | since 01/07/2022 | 0 |
Ended mandates
| Director | Function | Mandate | Other mandatescurrentendedstruck offbankruptcies |
|---|---|---|---|
Annick GINION | Manager | since 01/07/2022 | 00 |
Stéphane SERTANG | Manager | since 01/07/2022 | 0 |
Annick GINION | Manager | 30/06/2016 → 30/06/2022 | 00 |
Annick GINION | Manager | 30/06/2016 → 15/07/2022 | 00 |
Other companies at this address
Chaussée de Namur 250 1300 Wavre| Company | CBE no. |
|---|---|
FRANCORCHAMPS MOTORS BRUSSELS● Active | 0644.833.927 |
GESTRAN IMMO● Active | 0475.849.732 |
Ginion Wavre Real Estate● Active | 0840.116.307 |
NIVEST● Active | 0738.935.904 |
Wavre Nord Real Estate● Active | 0789.815.273 |
Financials
Full financial information
Source · NBB| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Type of account | Full model | Full model | Full model | Full model | Full model | Full 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 | 23/07/2026 | 28/07/2025 | 11/07/2024 | 26/07/2023 | 28/07/2022 | 16/07/2021 |
| General meeting | 17/07/2026 | 14/07/2025 | 27/06/2024 | 27/06/2023 | 15/07/2022 | 25/06/2021 |
| 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
Source · NBBLooking for more information about this company?
Try for freeAnnual accounts filings
Source · NBB, 35 filings| Model | Closing | General meeting | Filed | Language | Document |
|---|---|---|---|---|---|
| Full model | 31/12/2025 | 17/07/2026 | 23/07/2026 | French | |
| Full model | 31/12/2024 | 14/07/2025 | 28/07/2025 | French | |
| Full model | 31/12/2023 | 27/06/2024 | 11/07/2024 | French | |
| Full model | 31/12/2022 | 27/06/2023 | 26/07/2023 | French | |
| Full model | 31/12/2021 | 15/07/2022 | 28/07/2022 | French | |
| Full model | 31/12/2020 | 25/06/2021 | 16/07/2021 | French | |
| Consolidated accounts | 31/12/2020 | 05/07/2021 | 14/07/2021 | French | |
| Full model | 31/12/2019 | 26/06/2020 | 06/07/2020 | French | |
| Consolidated accounts | 31/12/2019 | 26/06/2020 | 07/07/2020 | French | |
| Full model | 31/12/2018 | 28/06/2019 | 01/07/2019 | French | |
| Consolidated accounts | 31/12/2018 | 28/06/2019 | 02/07/2019 | French | |
| Full model | 31/12/2017 | 29/06/2018 | 04/07/2018 | French | |
| Consolidated accounts | 31/12/2017 | 29/06/2018 | 09/07/2018 | French | |
| Full model | 31/12/2016 | 30/06/2017 | 06/07/2017 | French | |
| Consolidated accounts | 31/12/2016 | 30/06/2017 | 04/07/2017 | French | |
| Full model | 31/12/2015 | 30/06/2016 | 20/07/2016 | French | |
| Consolidated accounts | 31/12/2015 | 30/06/2016 | 06/07/2016 | French | |
| Full model | 31/12/2014 | 29/06/2015 | 14/07/2015 | French | |
| Consolidated accounts | 31/12/2014 | 29/06/2015 | 14/07/2015 | French | |
| Full model | 31/12/2013 | 30/06/2014 | 08/07/2014 | French | |
| Consolidated accounts | 31/12/2013 | 30/06/2014 | 18/07/2014 | French | |
| Full model | 31/12/2012 | 28/06/2013 | 01/07/2013 | French | |
| Consolidated accounts | 31/12/2012 | 28/06/2013 | 08/07/2013 | French | |
| Full model | 31/12/2011 | 22/06/2012 | 26/06/2012 | French | |
| Consolidated accounts | 31/12/2011 | 22/06/2012 | 13/07/2012 | French | |
| Full model | 31/12/2010 | 27/06/2011 | 29/06/2011 | French | |
| Consolidated accounts | 31/12/2010 | 27/06/2011 | 02/08/2011 | French | |
| Full model | 31/12/2009 | 27/05/2010 | 29/06/2010 | French | |
| Consolidated accounts | 31/12/2009 | 30/06/2010 | 06/07/2010 | French | |
| Full model | 31/12/2008 | 15/06/2009 | 26/06/2009 | French | |
| Consolidated accounts | 31/12/2008 | 01/01/9999 | 29/06/2009 | French | |
| Full model | 31/12/2007 | 30/06/2008 | 08/07/2008 | French | |
| Consolidated accounts | 31/12/2007 | 29/05/2008 | 11/07/2008 | French | |
| Full model | 31/12/2006 | 30/06/2007 | 20/08/2007 | French | |
| Consolidated accounts | 31/12/2006 | 17/12/2007 | 27/12/2007 | French |
Valuation
Indicative valuation
Order of magnitude
As an indication, this company is worth
between 0 € and 100 k€
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
Board of directors
Source · NBB, accounts to 31/12/20252 active · 16 ended
Active mandates
| Director | Function | Mandate | Other mandatescurrentendedstruck offbankruptcies |
|---|---|---|---|
Annick GINION | Director | since 01/07/2022 | 00 |
Stéphane SERTANG | Director | since 01/07/2022 | 0 |
Ended mandates
| Director | Function | Mandate | Other mandatescurrentendedstruck offbankruptcies |
|---|---|---|---|
Annick GINION | Manager | since 01/07/2022 | 00 |
Stéphane SERTANG | Manager | since 01/07/2022 | 0 |
Annick GINION | Manager | 30/06/2016 → 30/06/2022 | 00 |
Annick GINION | Manager | 30/06/2016 → 15/07/2022 | 00 |
Ownership and network
Looking for more information about this company?
Try for freePublications
Belgian Official Gazette publications
Source · Belgian Official Gazette- Mandates29/07/2026DEMISSIONS, NOMINATIONS
- Mandates09/02/2024MODIFICATION FORME JURIDIQUE - DEMISSIONS, NOMINATIONS
- Mandates06/02/2023DEMISSIONS, NOMINATIONS
- Mandates09/09/2022SIEGE SOCIAL - DEMISSIONS, NOMINATIONS
- Mandates08/07/2020DEMISSIONS, NOMINATIONS - MODIFICATION FORME JURIDIQUE
- Mandates03/02/2017DEMISSIONS, NOMINATIONS
- Registered office19/01/2016SIEGE SOCIAL
- Mandates22/07/2014DEMISSIONS, NOMINATIONS
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 20254,4 k €↑
- 2024Annual accounts 2024-33,6 k €↑
- 2023Annual accounts 2023-496,7 k €↓
- 2022Annual accounts 20221,5 k €↓
- 2021Annual accounts 202160,4 k €↓
- 2020Annual accounts 2020111 k €↑
- 2019Annual accounts 20197,4 k €↓
- 2018Annual accounts 201823,8 k €↓
- 2017Annual accounts 201738,4 k €↓
- 2016Annual accounts 201638,8 k €↑
- 2015Annual accounts 201536,2 k €↑
- 2014Annual accounts 201420,9 k €↓
- 2013Annual accounts 201367,2 k €↓
- 2012Annual accounts 20122,3 M €↑
- 2011Annual accounts 201124,3 k €↓
- 2010Annual accounts 201042,7 k €↓
- 2009Annual accounts 20094,7 M €↑
- 2008Annual accounts 200873,1 k €↓
- 2007Annual accounts 2007109,9 k €↓
- 2006Annual accounts 2006171,6 k €
- 23/12/1998IncorporationPrivate limited company
Registered offices
Source · NBB annual accounts, CBE| Registered address | Period | Source |
|---|---|---|
| Chaussée de Namur 250, 1300 WavreCurrent | accounts 2022 → 2025 · CBE, tracked since 27/09/2026 | Accounts 2025 · 2026-00329689 |
| Rue Cerisier d'Haine 50, 1301 Bierges | accounts 2021 | Accounts 2021 · 2022-20251115 |
Annual accounts date a value by the financial year it appears in. The CBE dates a change to the day, but its history has only been kept since 27/09/2026.