Warning lights
Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.
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Negative equity NBB
More debt than assets in 1 of the last 4 fiscal years.
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Two loss years in a row NBB
Negative result in 2024 and 2025.
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Shrinking team NBB
FTE fell two years in a row, from 24.1 to 20.3.
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Board fully replaced NBB
No director from three years ago is still active according to annual account 2025.
Financials
Financial year 2025
Hydronic System Optimisation from Antwerpen, company number BE0541792312, closed financial year 2025 with a result of € -2.3 million after tax. For that financial year Hydronic System Optimisation recorded a gross margin of € 361,850 and equity of € -2 million. Compared with financial year 2024, the result moved from € -1.8 million to € -2.3 million. The company made a loss. More debts than assets. High debts against a small own buffer. The most recent annual accounts were filed with the National Bank of Belgium on August 24, 2026.
€ -2 million
▼ € 2.3 million vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ -2.3 million
▼ 31 % more loss than in 2024
Profit after tax over the fiscal year.
€ 405,189
▲ 24% vs 2024
Cash and bank balances on the last day of the fiscal year.
Loss, nothing to pay out
Reserves fell to € -7.1 million.
People and assets in 2025
20.3
▼ 2.1 vs 2024
Average over the fiscal year, from the social balance sheet.
€ 2 million
▼ 4% vs 2024
€ 101,000 per full-time equivalent. Payroll staff only. What the director pays themselves is already netted into the gross margin and is not shown separately in the accounts.
€ 20,051
▼ 46% vs 2024
Book value of vehicles, furniture and equipment.
Debts at end 2025
€ 2.4 million
▲ € 1.9 million vs 2024
€ 96,344 is repaid this year. At this pace the long-term loan is gone in ≈ 25 years.
€ 124,716
▼ 40% vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 285,560
▼ 18% vs 2024
Taxes, VAT and social contributions still to pay.
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| 2022 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Gross margin | € 901,490 | € 708,827 | € 734,047 | € 361,850 | ▼ 51% |
| Profit after taxes | € -1,324,018 | € -1,667,732 | € -1,777,187 | € -2,323,427 | ▼ € 546,240 |
| Equity | € 3,743,063 | € 2,075,332 | € 298,145 | € -2,025,282 | ▼ € 2.3 million |
| Total debts | € 2,073,653 | € 1,274,026 | € 1,751,598 | € 3,555,893 | ▲ 103% |
| Cash | € 4,292,187 | € 1,326,131 | € 326,149 | € 405,189 | ▲ 24% |
| Retained profit | € -1,324,018 | € -2,991,750 | € -4,768,936 | € -7,092,363 | ▼ € 2.3 million |
| Bank debt | € 906,714 | € 0 | € 499,334 | € 2,413,990 | ▲ € 1.9 million |
| Balance sheet total | € 5,816,716 | € 3,349,357 | € 2,049,742 | € 1,530,611 | ▼ 25% |
| Employees (FTE) | 19.9 | 24.1 | 22.4 | 20.3 | ▼ 2.1 |
Key figures of Hydronic System Optimisation, fiscal years 2022 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 31 July 2027.
What happened to Hydronic System Optimisation?
What happened at Hydronic System Optimisation in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- MASH BV stepped down as director. NBB
- Dynamic Advice BV stepped down as director. NBB
- Danny Gonnissen stepped down as director. NBB
- Karl Neyrinck stepped down as director. NBB
- Junction Growth Partners BV stepped down as director. NBB
- Société Anonyme de Participation et de Gestion NV stepped down as director. NBB
- Rise Proptech Fund CV stepped down as director. NBB
- New annual accounts for financial year 2025: loss of € 2.3 million. filed late Source: NBB ↗
In short
From € 1.3 million loss in 2022 to € 2.3 million loss in 2025.
Paid € 15,939 in corporate taxes since 2022.
On average € 17,800 of value added per employee in 2025.
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De Lijn 8 June 2026 New annual account 2025
filed on 8 June 2026
What was left
€ 20 k ▼ 91%
Money in the bank
€ 178 k ▼ 98%
Open the dossier →
NMBS 8 June 2026 New annual account 2025 What was left ▼ 80%
bpost 18 May 2026 New annual account 2025 What was left from loss to profit
Management
The stake of Junction Growth Investors Fund, QBIC Feeder Fund, Société Anonyme de Participation et de Gestion, EEG GROUP, QBIC Arkiv Fund comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.
Hydronic System OptimisationBehind Hydronic System Optimisation is Torchbearer Group Ltd. The shares are held by Junction Growth Investors Fund (18.8%), QBIC Feeder Fund (15.1%), Société Anonyme de Participation et de Gestion (12%), EEG GROUP (11.2%) and QBIC Arkiv Fund (9.9%). It owns 100% of Hydronic System Optimisation BV and 100% of Hydronic System Optimization itself.
Directors
According to the 2025 annual accounts
Persoon belast met dagelijks bestuur · represented by Lewis Mark
Director · represented by Vincent Gregoir
Also active at: Badia, Junction Growth Investors Fund, AMPACIMON, HAULOGY.NET
since 2022 · until 2028
Director · represented by Van Herck Serge
Also active at: Computer Management and Services, CORILUS, RINGPHONE, SOFT 33, Keyware Technologies, Progenda, PRIDIKTIV, RoCa Invest II +4 more
since 2018 · until 2029
Director · represented by Vandenbulcke Walter
Also active at: NOVATECH INTERNATIONAL, 2aspire
since 2018 · until 2029
Société Anonyme de Participation et de Gestion NV
Director · represented by Melviez Marc
Also active at: Tradix, D'Ieteren Group, CLOSE OUT SHOP, SOCIETE D'ENTREPRISES ET DE GESTION IMMOBILIERES, BLANCHE II, D'Ieteren Automotive SA/NV, LIFEPOWR, EPIC Blue +5 more
since 2022 · until 2028
since 2018 · until 2029
Karl Neyrinck
Director
Also active at: LEROY, ELECTROLYSE, NEYRINCK INVEST, ELEKTRO KAMIEL SMET, de KOCK, HEYER BENELUX, G & J INVEST, HOUBEN HOLDING +5 more
since 2018 · until 2029
since 2022 · until 2028
Shareholders
Participations
Hydronic System Optimisation BV
100%
Hydronic System Optimization
100%
Establishments
Establishment units
Physical locations of this company
Luchthavenlei 7A
2100 Antwerpen
Luchthavenlei 7 a
2100 Antwerpen
Active since 6 November 2013
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 5 companies are registered at this address.
All companies at this address →What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.
Website
Technologies
Hosting & Email
Email provider
Microsoft 365
Hosting
CLOUDFLARESPECTRUM Cloudflare, Inc., US
Domain
Domain
hysopt.com
Registered
2013-05-08
Registrar
Gandi SAS
Expires
2026-05-08
Website info
Features
Security
Network
Details
- Company number
- 0541.792.312
- VAT number
- BE 0541.792.312
- Registered office
- Luchthavenlei 7A, 2100 Antwerpen
- Names & denominations
- Hydronic System Optimisation · HYSOPT
- Enterprise type
- Rechtspersoon
- Legal form
- Public limited company
- Legal situation
- Normale toestand
- Start date
- 6 November 2013
- Peppol
- Active · Active since 27 Mar 2026
- Contact
- hysopt.com
- Activities · NACE
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Activiteiten van holdings
Overige diensten op het gebied van informatietechnologie en computer
Overige vormen van onderwijs
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Holdings