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 4 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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Tight liquidity NBB
Cash and receivables cover 0 % of short-term debt in 2025; threshold 65 %.
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Busy address KBO
11 other companies have their registered office at the same address; threshold 10.
Financials
Financial year 2025
RONSIM from Kortrijk, company number BE0431218844, closed financial year 2025 with a result of € -22,133 after tax. For that financial year RONSIM recorded a gross margin of € -2,688 and equity of € -315,075. Compared with financial year 2024, the result moved from € -21,287 to € -22,133. 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 July 23, 2026.
€ -315,075
▼ € 22,133 vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ -22,133
▼ 4 % more loss than in 2024
Profit after tax over the fiscal year.
€ 605
▼ 73% vs 2024
Cash and bank balances on the last day of the fiscal year.
Loss, nothing to pay out
Reserves fell to € -377,075.
Debts at end 2025
None
No bank loans on the last day of the fiscal year.
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| 2022 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Gross margin | € -1,840 | € 945 | € -2,599 | € -2,688 | ▼ € 90 |
| Profit after taxes | € -18,312 | € -16,894 | € -21,287 | € -22,133 | ▼ € 846 |
| Equity | € -254,762 | € -271,655 | € -292,942 | € -315,075 | ▼ € 22,133 |
| Total debts | € 434,443 | € 455,911 | € 474,500 | € 495,066 | ▲ 4% |
| Cash | € 365 | € 136 | € 2,242 | € 605 | ▼ 73% |
| Retained profit | € -316,762 | € -333,655 | € -354,942 | € -377,075 | ▼ € 22,133 |
| Balance sheet total | € 179,682 | € 184,256 | € 181,558 | € 179,991 | ▼ 1% |
Key figures of RONSIM, 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 RONSIM?
What happened at RONSIM in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: loss of € 22,133. Source: NBB ↗
- Thiers Invest became a director. NBB
- FREJUT became a director. NBB
- New establishment in Kruisem. KBO
- Start of the company according to the CBE. KBO
In short
From € 18,312 loss in 2022 to € 22,133 loss 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 Thiers Properties comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.
RONSIMBehind RONSIM are Thiers Invest and FREJUT. The shares are held by Thiers Properties (99.9%).
Directors
According to the 2025 annual accounts
Managing director · represented by Thiers Lieven
Also active at: Thiers Properties, THIERS, Stasegemse Bouwmaatschappij, MARINALYS, SEA FLOWER, ARDINVEST, STAD EN MILIEU, DE LIJSTERBESSE +4 more
since 2023
Director · represented by Thiers Frederiek
Also active at: Thiers Properties, THIERS, Stasegemse Bouwmaatschappij, MARINALYS, ARDINVEST, STAD EN MILIEU, DE LIJSTERBESSE, THIERS INVEST +3 more
since 2023
Shareholders
99.9%
Participations
No participations in other companies reported.
Establishments
Establishment units
Physical locations of this company
Dam(Kor) 10
8500 Kortrijk
Kruishoutemsesteenweg 181
9750 Kruisem
Active since 3 June 1987
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 11 companies are registered at this address.
All companies at this address →Thiers Properties same network
€ 189,708 gross margin · 2025
THIERS same network
€ 2.1 million revenue · 2025
Stasegemse Bouwmaatschappij same network
€ 27,500 revenue · 2025
MARINALYS same network
€ 25,201 gross margin · 2025
FIDUCIAIRE SECURAC B.V.B.A.
+6 more
What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.
Details
- Company number
- 0431.218.844
- VAT number
- BE 0431.218.844
- Registered office
- Dam(Kor) 10, 8500 Kortrijk
- Names & denominations
- RONSIM
- Enterprise type
- Rechtspersoon
- Legal form
- Public limited company
- Legal situation
- Normale toestand
- Start date
- 15 May 1987
- Peppol
- Active · Active since 9 Sept 2025