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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Busy address KBO
17 other companies have their registered office at the same address; threshold 10.
Financials
Financial year 2025
RSM InterSustainability from Zaventem, company number BE0754734630, closed financial year 2025 with a result of € -133,267 after tax. For that financial year RSM InterSustainability recorded revenue of € 215,293 and equity of € -579,862. Compared with financial year 2024, the result moved from € -134,141 to € -133,267. 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 January 26, 2026.
€ -579,862
▼ € 133,267 vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ -133,267
▲ 1 % less loss than in 2024
Profit after tax over the fiscal year.
€ 531
▼ 90% vs 2024
Cash and bank balances on the last day of the fiscal year.
Loss, nothing to pay out
Reserves fell to € -597,862.
Debts at end 2025
None
No bank loans on the last day of the fiscal year.
€ 28,339
▼ 73% vs 2024
Supplier invoices still open on the last day of the fiscal year. Pays suppliers within 33 days on average.
| 2022 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Revenue | € 130,600 | € 161,140 | € 173,569 | € 215,293 | ▲ 24% |
| Profit after taxes | € -52,189 | € -102,073 | € -134,141 | € -133,267 | ▲ € 874 |
| Equity | € -210,381 | € -312,454 | € -446,595 | € -579,862 | ▼ € 133,267 |
| Total debts | € 294,531 | € 399,260 | € 565,237 | € 666,850 | ▲ 18% |
| Cash | € 55,489 | € 41,253 | € 5,304 | € 531 | ▼ 90% |
| Retained profit | € -228,381 | € -330,454 | € -464,595 | € -597,862 | ▼ € 133,267 |
| Balance sheet total | € 84,150 | € 86,806 | € 118,642 | € 86,988 | ▼ 27% |
Key figures of RSM InterSustainability, fiscal years 2022 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 3 March 2027.
What happened to RSM InterSustainability?
What happened at RSM InterSustainability in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- K.Coninx BV stepped down as director. NBB
- New annual accounts for financial year 2025: loss of € 133,267. Source: NBB ↗
- K.Coninx BV became a director. NBB
- New establishment in Zaventem. KBO
- Start of the company according to the CBE. KBO
- Laurent Marlein became a director. NBB
- Gert Van den Berg became a director. NBB
- Rik Vereecken became a director. NBB
In short
From € 52,189 loss in 2022 to € 133,267 loss in 2025.
Pays suppliers within 33 days on average.
Management
The stake of Toelen Cats Dupont Koevoets group, byNubian comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.
RSM InterSustainabilityBehind RSM InterSustainability are Laurent Marlein, Gert Van den Berg and Rik Vereecken. The shares are held by Toelen Cats Dupont Koevoets group (50%) and byNubian (49.9%).
Directors
According to the 2025 annual accounts
since 2020
Gert Van den Berg
Director
Also active at: Toelen Cats Dupont Koevoets group, RSM INTERFIDUCIAIRE, AI-GUST
since 2020
Rik Vereecken
Director
Also active at: Woon- en Zorgcentrum Aalmoezenier Cuypers, Artsen Zonder Vakantie VZW, SOURCE INTERNATIONAL, byNubian
since 2020
Director · represented by Kurt Coninx
Also active at: RSM REVISEURS D'ENTREPRISES - BEDRIJFSREVISOREN, RSM INTERAUDIT, Toelen Cats Dupont Koevoets group
since 2023 · until 2026
Shareholders
Participations
No participations in other companies reported.
Establishments
Establishment units
Physical locations of this company
Lozenberg 18
1932 Zaventem
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 17 companies are registered at this address.
All companies at this address →interSERVICES
€ 7.4 million revenue · 2025
RSM INTERAUDIT same network
€ 17.5 million revenue · 2025
Toelen Cats Dupont Koevoets group same network
€ 3.3 million revenue · 2025
RSM INTERFIDUCIAIRE same network
€ 17.3 million revenue · 2025
CONSULTANCY, RESEARCH AND DISTRIBUTION
€ 140,531 gross margin · 2025
+12 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
- 0754.734.630
- VAT number
- BE 0754.734.630
- Registered office
- Lozenberg 18, 1932 Zaventem
- Names & denominations
- RSM InterSustainability
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 22 September 2020
- Peppol
- Active · Active since 26 May 2025
- Activities · NACE
Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies
Overige adviesbureaus op het gebied van bedrijfsbeheer; adviesbureaus op het gebied van bedrijfsvoering
Overige activiteiten van vrije beroepen en andere wetenschappelijke en technische activiteiten, neg
Overige zakelijke dienstverlening, neg
Overige gespecialiseerde wetenschappelijke en technische activiteiten