DOKTER JOANNA MIERZEJEWSKA
0475.049.877 · rovalta.com · 27/09/2026
ACTIVE
DOKTER JOANNA MIERZEJEWSKA
Financial year 2025 · Closed on 31/12/2025
Net result182,7 k €+16,2 %over 1 year
Gross margin308,4 k €+23,0 %over 1 year
Equity1,1 M €+20,4 %over 1 year
Overview
Identity
Source · BCE/KBODOKTER JOANNA MIERZEJEWSKA is a Private limited company incorporated in 2001. Its main activity is: Specialist medical practice activities. Its registered office is in Tienen.
- Legal situation
- Normal situation
- BCE/KBO no. / VAT
- BE 0475.049.877
- Incorporation
- 20/06/2001
- Legal form
- Private limited company
- Registered office
- Nieuw Overlaar(HGD) 7
3300 Tienen · FlandreSee on map - Contributed capital
- 20 000,00 €
- Latest accounts
- 31/12/2025
Activities (NACE)
Signals
ProfitableSolid equityLow riskGood liquidityPositive cashflowPositive EBITDA
Financials
Source · NBB, 20 filingsTrend over 20 financial years
| 2025 | 2024 | 2023 | 2022 | 2021 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Income statement | |||||||||
| Gross margin | 308,4 k € | +23.0% | 250,7 k € | +15.8% | 216,5 k € | -29.3% | 306 k € | +13.9% | 268,6 k € |
| EBITDA | 302,1 k € | +23.3% | 245 k € | +17.2% | 209,1 k € | -30.1% | 298,9 k € | +13.1% | 264,3 k € |
| Operating result | 270,4 k € | +26.5% | 213,7 k € | +20.4% | 177,5 k € | -33.8% | 268,1 k € | +14.5% | 234,1 k € |
| Net result | 182,7 k € | +16.2% | 157,3 k € | +31.1% | 120 k € | -34.0% | 181,7 k € | +13.3% | 160,4 k € |
| Balance sheet | |||||||||
| Equity | 1,1 M € | +20.4% | 895,7 k € | -31.6% | 1,3 M € | +10.1% | 1,2 M € | +18.0% | 1 M € |
| Total assets | 1,2 M € | +16.3% | 1 M € | -30.3% | 1,5 M € | +8.0% | 1,3 M € | +3.1% | 1,3 M € |
| Cash | 622,7 k € | +862% | 64,8 k € | -80.5% | 331,7 k € | -52.4% | 696,3 k € | +6.6% | 653,3 k € |
| Debts | 93,8 k € | -15.8% | 111,4 k € | -19.4% | 138,2 k € | -8.0% | 150,3 k € | -48.6% | 292,6 k € |
Valuation
Indicative valuation
As an indication, this company is worth
between 1 M€ and 2,5 M€
See the valuationBoard of directors
Source · NBB, accounts to 31/12/20251 active · 2 ended
Active mandates
| Director | Function | Mandate | Other mandatescurrentendedstruck offbankruptcies |
|---|---|---|---|
Joanna Mierzejewska | Director | since 07/02/2023 | 000 |
Ended mandates
| Director | Function | Mandate | Other mandatescurrentendedstruck offbankruptcies |
|---|---|---|---|
JOANNA MIERZEJEWSKA | Director | 000 | |
JOANNA MIERZEJEWSKA | Manager | 000 |
Financials
Full financial information
Source · NBB| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Type of account | Micro model | Micro model | Micro model | Micro 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 | 06/08/2026 | 08/08/2025 | 12/07/2024 | 03/08/2023 | 22/08/2022 | 16/08/2021 |
| General meeting | 01/06/2026 | 02/06/2025 | 03/06/2024 | 01/06/2023 | 01/06/2022 | 01/06/2021 |
| 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, 20 filings| Model | Closing | General meeting | Filed | Language | Document |
|---|---|---|---|---|---|
| Micro model | 31/12/2025 | 01/06/2026 | 06/08/2026 | Dutch | |
| Micro model | 31/12/2024 | 02/06/2025 | 08/08/2025 | Dutch | |
| Micro model | 31/12/2023 | 03/06/2024 | 12/07/2024 | Dutch | |
| Micro model | 31/12/2022 | 01/06/2023 | 03/08/2023 | Dutch | |
| Abridged model | 31/12/2021 | 01/06/2022 | 22/08/2022 | Dutch | |
| Abridged model | 31/12/2020 | 01/06/2021 | 16/08/2021 | Dutch | |
| Abridged model | 31/12/2019 | 31/08/2020 | 07/09/2020 | Dutch | |
| Abridged model | 31/12/2018 | 29/06/2019 | 28/08/2019 | Dutch | |
| Abridged model | 31/12/2017 | 30/06/2018 | 29/08/2018 | Dutch | |
| Abridged model | 31/12/2016 | 30/06/2017 | 10/08/2017 | Dutch | |
| Abridged model | 31/12/2015 | 30/06/2016 | 30/08/2016 | Dutch | |
| Abridged model | 31/12/2014 | 30/06/2015 | 28/08/2015 | Dutch | |
| Abridged model | 31/12/2013 | 30/06/2014 | 26/08/2014 | Dutch | |
| Abridged model | 31/12/2012 | 30/06/2013 | 14/08/2013 | Dutch | |
| Abridged model | 31/12/2011 | 30/06/2012 | 14/08/2012 | Dutch | |
| Abridged model | 31/12/2010 | 30/06/2011 | 30/08/2011 | Dutch | |
| Abridged model | 31/12/2009 | 22/06/2010 | 13/07/2010 | Dutch | |
| Abridged model | 31/12/2008 | 01/06/2009 | 12/06/2009 | Dutch | |
| Abridged model | 31/12/2007 | 23/06/2008 | 11/07/2008 | Dutch | |
| Abridged model | 31/12/2006 | 01/06/2007 | 18/06/2007 | Dutch |
Valuation
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
Board of directors
Source · NBB, accounts to 31/12/20251 active · 2 ended
Active mandates
| Director | Function | Mandate | Other mandatescurrentendedstruck offbankruptcies |
|---|---|---|---|
Joanna Mierzejewska | Director | since 07/02/2023 | 000 |
Ended mandates
| Director | Function | Mandate | Other mandatescurrentendedstruck offbankruptcies |
|---|---|---|---|
JOANNA MIERZEJEWSKA | Director | 000 | |
JOANNA MIERZEJEWSKA | Manager | 000 |
Ownership and network
Looking for more information about this company?
Try for freePublications
Belgian Official Gazette publications
Source · Belgian Official Gazette- Mandates15/02/2023STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, ) - WIJZIGING RECHTSVORM - DOEL - KAPITAAL - AANDELEN - ONTSLAGEN - BENOEMINGEN
- Capital / shares17/01/2018KAPITAAL - AANDELEN
- Capital / shares15/01/2014KAPITAAL - AANDELEN - STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, )
- Mandates11/12/2013ONTSLAGEN - BENOEMINGEN
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 2025182,7 k €↑
- 2024Annual accounts 2024157,3 k €↑
- 2023Annual accounts 2023120 k €↓
- 2023Name changeDOKTER JOANNA MIERZEJEWSKA
- 2022Annual accounts 2022181,7 k €↑
- 2022Name changeMierzejewska Johanna Dr.
- 2021Annual accounts 2021160,4 k €↑
- 2020Annual accounts 2020146,3 k €↑
- 2019Annual accounts 2019107,7 k €↓
- 2018Annual accounts 2018125,1 k €↑
- 2017Annual accounts 201796,6 k €↓
- 2016Annual accounts 2016126,5 k €↑
- 2015Annual accounts 2015107,3 k €↓
- 2014Annual accounts 2014123,3 k €↓
- 2013Annual accounts 2013142,7 k €↑
- 2012Annual accounts 2012128 k €↓
- 2011Annual accounts 2011132,4 k €↑
- 2010Annual accounts 201099 k €↑
- 2009Annual accounts 200987,4 k €↑
- 2008Annual accounts 200879,6 k €↑
- 2007Annual accounts 200778,1 k €↑
- 2006Annual accounts 200667,6 k €
- 20/06/2001IncorporationPrivate limited company
Registered offices
Source · NBB annual accounts, CBE| Registered address | Period | Source |
|---|---|---|
| Nieuw Overlaar(HGD) 7, 3300 TienenCurrent | CBE, tracked since 27/09/2026 | CBE |
| Nieuw Overlaar 7, 3300 Tienen | accounts 2021 → 2025 | Accounts 2025 · 2026-00385464 |
Company names
Source · NBB annual accounts, CBE| Name | Period | Source |
|---|---|---|
| DOKTER JOANNA MIERZEJEWSKACurrent | accounts 2023 → 2025 · CBE, tracked since 27/09/2026 | Accounts 2025 · 2026-00385464 |
| Mierzejewska Johanna Dr. | accounts 2022 | Accounts 2022 · 2023-00319254 |
| MIERZEJEWSKA JOANNA DR. | accounts 2021 | Accounts 2021 · 2022-20307163 |
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.