Warning lights
Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.
-
Shrinking team NBB
FTE fell two years in a row, from 6.3 to 5.3.
Financials
Financial year 2025
Isolair from Dilsen-Stokkem, company number BE0844289087, closed financial year 2025 with a result of € 4,453 after tax. For that financial year Isolair recorded a gross margin of € 470,443 and equity of € 168,952. Compared with financial year 2024, the result moved from € -255,056 to € 4,453. Profitable, and profit is growing. The buffer is growing. Debts are under control. The most recent annual accounts were filed with the National Bank of Belgium on May 18, 2026.
€ 168,952
▲ 3% vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 4,453
▲ still € 255,056 loss in 2024
Profit after tax over the fiscal year.
€ 392,769
▲ € 359,593 vs 2024
Cash and bank balances on the last day of the fiscal year.
Stays in the company
No dividend for 2025. Retained profit grew to € 99,952.
People and assets in 2025
5.3
▼ 0.9 vs 2024
Average over the fiscal year, from the social balance sheet.
€ 374,056
▼ 14% vs 2024
€ 70,600 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.
€ 126,750
▼ 43% vs 2024
Book value of vehicles, furniture and equipment.
Debts at end 2025
€ 142,232
▼ 31% vs 2024
€ 95,947 is repaid this year. At this pace the long-term loan is gone in ≈ 1 years.
€ 747,824
▲ 104% vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 40,626
▼ 1% vs 2024
Taxes, VAT and social contributions still to pay.
Want to see how much further we take a dossier in the Pro version? Open the free De Lijn example and give feedback →
| 2022 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Gross margin | € 458,539 | € 698,625 | € 301,736 | € 470,443 | ▲ 56% |
| Profit after taxes | € 66,911 | € 182,387 | € -255,056 | € 4,453 | ▲ € 259,509 |
| Equity | € 266,943 | € 424,442 | € 164,498 | € 168,952 | ▲ 3% |
| Total debts | € 781,802 | € 1,248,399 | € 614,662 | € 931,985 | ▲ 52% |
| Cash | € 302,726 | € 368,054 | € 33,177 | € 392,769 | ▲ € 359,593 |
| Retained profit | € 168,167 | € 350,554 | € 95,498 | € 99,952 | ▲ 5% |
| Bank debt | € 442,140 | € 562,636 | € 207,128 | € 142,232 | ▼ 31% |
| Balance sheet total | € 1,048,745 | € 1,672,841 | € 779,160 | € 1,100,937 | ▲ 41% |
| Employees (FTE) | 5.6 | 6.3 | 6.2 | 5.3 | ▼ 0.9 |
Key figures of Isolair, 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 Isolair?
What happened at Isolair in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: profit of € 4,453. Source: NBB ↗
- New establishment in Hasselt. KBO
- Start of the company according to the CBE. KBO
In short
From € 66,911 profit in 2022 to € 4,453 profit in 2025.
Paid € 8,766 in corporate taxes since 2022.
Best year ever: 2023, with € 182,387 profit.
On average € 88,800 of value added per employee in 2025.
A new publication or filing at Isolair? We notify you, reason included.
Follow IsolairDatabakkes Pro
Know what changes at your customers, suppliers and competitors. Without reading an annual account.
- Follow them in one folder Every company in your folder gets this full dossier: household book, all fiscal years, benchmark against companies of the same size.
- We alert you, with the reason New annual account, Official Gazette publication or status change: you get what changed and where it says so.
- In bulk too, and in ChatGPT and Claude Upload your customer list and get the warning signs back per company. Or ask in your own AI assistant, with this register as the source.
Databakkes Pro is being built. Sign up now and you are first in line for an invitation, with a month to try without a credit card.
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 Jules, ELASTOFLEX PROJECTS comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.
IsolairBehind Isolair is Jules BV. The shares are held by Jules (83.6%) and ELASTOFLEX PROJECTS (16.4%).
Directors
According to the 2025 annual accounts
Director · represented by Nulens Julie
Also active at: Elastoflex, Isovera, TOOLS & FIXINGS, ELASTOFLEX PROJECTS
Shareholders
83.6%
16.4%
Participations
No participations in other companies reported.
Establishments
Establishment units
Physical locations of this company
Vossenbergstraat 11
3650 Dilsen-Stokkem
Diestersteenweg 4
3510 Hasselt
Active since 9 March 2012
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
HETZNER-AS, DE
Website info
Features
Security
Network
Details
- Company number
- 0844.289.087
- VAT number
- BE 0844.289.087
- Registered office
- Vossenbergstraat 11, 3650 Dilsen-Stokkem
- Names & denominations
- Isolair
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 9 March 2012
- Peppol
- Active · Active since 1 Jan 2001
- Contact
- isolair.be
- Activities · NACE
Installatie van isolatie
Isolatiewerkzaamheden