HARMONIC WAVES
0836.784.257 · rovalta.com · 21/09/2026
HARMONIC WAVES
Overview
What does HARMONIC WAVES do?
HARMONIC WAVES is a Private company with limited liability incorporated in 2011. Its main activity is: Computer consultancy activities. Its registered office is in Rumst.
2840 Rumst · FlandreSee on map
Trend over 13 financial years
| 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Income statement | |||||||||||||||||||||||||
| Gross margin | 74,4 k € | +218% | 23,4 k € | -41.6% | 40,1 k € | -20.9% | 50,7 k € | +16.7% | 43,5 k € | +53.6% | 28,3 k € | -30.8% | 40,9 k € | +26.0% | 32,4 k € | -37.5% | 51,9 k € | +9.2% | 47,5 k € | -13.7% | 55,1 k € | +30.2% | 42,3 k € | +5.8% | 40 k € |
| EBITDA | 73,5 k € | +241% | 21,6 k € | -42.0% | 37,2 k € | -21.1% | 47,2 k € | +13.6% | 41,5 k € | +311% | -19,7 k € | -159% | 33,4 k € | +11.8% | 29,8 k € | -41.2% | 50,7 k € | +10.5% | 45,9 k € | -14.1% | 53,4 k € | +30.4% | 41 k € | +8.6% | 37,7 k € |
| Operating result | 70,2 k € | +1164% | 5,6 k € | -74.7% | 21,9 k € | -31.5% | 32 k € | +17.4% | 27,3 k € | +179% | -34,6 k € | -307% | 16,7 k € | +25.6% | 13,3 k € | -56.0% | 30,2 k € | +39.5% | 21,6 k € | -25.2% | 28,9 k € | +59.6% | 18,1 k € | +650% | 2,4 k € |
| Net result | 47,6 k € | +1097% | 4 k € | -73.0% | 14,7 k € | -41.4% | 25,1 k € | -0.4% | 25,2 k € | +151% | -49,8 k € | -1402% | 3,8 k € | +341% | -1,6 k € | -113% | 12,5 k € | +234% | 3,7 k € | -69.3% | 12,2 k € | +247% | 3,5 k € | +127% | -13,1 k € |
| Balance sheet | |||||||||||||||||||||||||
| Equity | 77 k € | +162% | 29,5 k € | +15.6% | 25,5 k € | +137% | 10,8 k € | +175% | -14,4 k € | +63.7% | -39,6 k € | -488% | 10,2 k € | +59.9% | 6,4 k € | -19.9% | 8 k € | +222% | 2,5 k € | +297% | -1,3 k € | +63.5% | -3,4 k € | +50.5% | -6,9 k € |
| Total assets | 134,3 k € | +82.7% | 73,5 k € | -0.2% | 73,6 k € | +8.8% | 67,6 k € | -6.4% | 72,3 k € | -9.2% | 79,6 k € | -76.9% | 345,2 k € | -0.2% | 345,9 k € | -12.8% | 396,5 k € | -3.7% | 411,7 k € | +2.6% | 401,4 k € | -5.7% | 425,9 k € | -2.1% | 435,1 k € |
| Cash | 27,8 k € | +247% | 8 k € | +64.7% | 4,9 k € | -61.2% | 12,5 k € | -33.0% | 18,7 k € | +135% | 8 k € | -30.0% | 11,4 k € | – | 682,4 € | -90.7% | 7,4 k € | +2341% | 302 € | -57.1% | 703,7 € | +340% | 160 € | ||
| Debts | 56,1 k € | +30.7% | 42,9 k € | -10.8% | 48,1 k € | -15.4% | 56,9 k € | -34.3% | 86,6 k € | -27.3% | 119,2 k € | -64.2% | 333,1 k € | -1.6% | 338,5 k € | -12.7% | 387,6 k € | -5.0% | 408 k € | +1.6% | 401,7 k € | -6.2% | 428,2 k € | -2.9% | 441 k € |
Indicative valuation
As an indication, this company is worth
Board of directors
Seen on filing of 31/12/2024 · 1 active · 2 ended
Active mandates
Ended mandates
Financials
Full financial information
| 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|
| Type of account | Micro model | Micro model | Micro model | Micro model | Micro model | Micro model |
| Start of the financial year | 01/01/2024 | 01/01/2023 | 01/01/2022 | 01/01/2021 | 01/01/2020 | 01/01/2019 |
| Closing of the financial year | 31/12/2024 | 31/12/2023 | 31/12/2022 | 31/12/2021 | 31/12/2020 | 31/12/2019 |
| Length of the financial year | 12 months | 12 months | 12 months | 12 months | 12 months | 12 months |
| Filing date | 17/09/2025 | 19/05/2025 | 30/10/2023 | 01/08/2022 | 26/08/2021 | 20/07/2020 |
| General meeting | 23/05/2025 | 07/05/2025 | 26/05/2023 | 27/05/2022 | 28/05/2021 | 22/05/2020 |
| 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
13 filings with the NBB
| Model | Closing | General meeting | Filed | Language | Document |
|---|---|---|---|---|---|
| Micro model | 31/12/2024 | 23/05/2025 | 17/09/2025 | Dutch | |
| Micro model | 31/12/2023 | 07/05/2025 | 19/05/2025 | Dutch | |
| Micro model | 31/12/2022 | 26/05/2023 | 30/10/2023 | Dutch | |
| Micro model | 31/12/2021 | 27/05/2022 | 01/08/2022 | Dutch | |
| Micro model | 31/12/2020 | 28/05/2021 | 26/08/2021 | Dutch | |
| Micro model | 31/12/2019 | 22/05/2020 | 20/07/2020 | Dutch | |
| Micro model | 31/12/2018 | 24/05/2019 | 29/08/2019 | Dutch | |
| Micro model | 31/12/2017 | 25/05/2018 | 29/10/2018 | Dutch | |
| Micro model | 31/12/2016 | 26/05/2017 | 28/08/2017 | Dutch | |
| Abridged model | 31/12/2015 | 27/05/2016 | 30/08/2016 | Dutch | |
| Abridged model | 31/12/2014 | 22/05/2015 | 31/08/2015 | Dutch | |
| Abridged model | 31/12/2013 | 23/05/2014 | 26/08/2014 | Dutch | |
| Abridged model | 31/12/2012 | 24/05/2013 | 22/08/2013 | Dutch |
Valuation
Indicative valuation
As an indication, this company is worth
between 250 k€ and 500 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.
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 31/12/2024 · 1 active · 2 ended
Active mandates
Ended mandates
Ownership and network
Looking for more information about this company?
Try for 7 daysPublications
Belgian Official Gazette publications
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
- 2024Annual accounts 202447,6 k €↑
- 2023Annual accounts 20234 k €↓
- 2022Annual accounts 202214,7 k €↓
- 2021Annual accounts 202125,1 k €↓
- 2020Annual accounts 202025,2 k €↑
- 2019Annual accounts 2019-49,8 k €↓
- 2018Annual accounts 20183,8 k €↑
- 2017Annual accounts 2017-1,6 k €↓
- 2016Annual accounts 201612,5 k €↑
- 2015Annual accounts 20153,7 k €↓
- 2014Annual accounts 201412,2 k €↑
- 2013Annual accounts 20133,5 k €↑
- 2012Annual accounts 2012-13,1 k €
- 07/06/2011IncorporationPrivate company with limited liability