What does DECLERCQ ISOLATIEBEDRIJF - ISODEC do?

DECLERCQ ISOLATIEBEDRIJF - ISODEC is a plastics manufacturer in Dentergem. Private Limited, started on 20 May 1986, 1 establishment.

What is the address of DECLERCQ ISOLATIEBEDRIJF - ISODEC?

The registered office of DECLERCQ ISOLATIEBEDRIJF - ISODEC is located at Brugstraat(Oes) 25, 8720 Dentergem.

Is DECLERCQ ISOLATIEBEDRIJF - ISODEC still active?

Yes. According to the CBE (31 October 2026) DECLERCQ ISOLATIEBEDRIJF - ISODEC is active, legal situation “Normale toestand”, started on 20 May 1986.

Is DECLERCQ ISOLATIEBEDRIJF - ISODEC registered on Peppol?

Yes, DECLERCQ ISOLATIEBEDRIJF - ISODEC is registered on the Peppol network with ID 0208:0428852440.

What is the enterprise number of DECLERCQ ISOLATIEBEDRIJF - ISODEC?

The enterprise number of DECLERCQ ISOLATIEBEDRIJF - ISODEC is BE0428852440.

When was DECLERCQ ISOLATIEBEDRIJF - ISODEC founded?

DECLERCQ ISOLATIEBEDRIJF - ISODEC was founded on 20 May 1986.

Who are the directors of DECLERCQ ISOLATIEBEDRIJF - ISODEC?

According to the 2025 annual accounts, the directors of DECLERCQ ISOLATIEBEDRIJF - ISODEC are: Sowi Invest.

Is DECLERCQ ISOLATIEBEDRIJF - ISODEC a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 20 May 1986; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did DECLERCQ ISOLATIEBEDRIJF - ISODEC make in 2025?

DECLERCQ ISOLATIEBEDRIJF - ISODEC posted a profit after taxes of € 137,980 in financial year 2025.

What is the revenue of DECLERCQ ISOLATIEBEDRIJF - ISODEC?

As a small company, DECLERCQ ISOLATIEBEDRIJF - ISODEC is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 1,881,556.

How much does an employee at DECLERCQ ISOLATIEBEDRIJF - ISODEC earn?

The average wage cost per full-time employee at DECLERCQ ISOLATIEBEDRIJF - ISODEC was € 62,400 in 2025: staff costs of € 367,912 for 5.9 FTE, according to the annual account at the National Bank. That is the employer's cost, not net pay.

How many employees does DECLERCQ ISOLATIEBEDRIJF - ISODEC have?

According to the 2025 annual accounts, DECLERCQ ISOLATIEBEDRIJF - ISODEC has 5.9 full-time equivalents (FTE).

Does DECLERCQ ISOLATIEBEDRIJF - ISODEC have a website?

Yes, DECLERCQ ISOLATIEBEDRIJF - ISODEC has a website at isodec.be.

DECLERCQ ISOLATIEBEDRIJF - ISODEC (Private Limited)

Dossier DECLERCQ ISOLATIEBEDRIJF - ISODEC, printed on 31 October 2026 from databakkes.be/en/0428852440/declercq-isolatiebedrijf-isodec. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Warning lights

Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.

Tight liquidity NBB

Cash and receivables cover 41 % of short-term debt in 2025; threshold 65 %.
Shrinking team NBB

FTE fell two years in a row, from 7.5 to 5.9.

Financials

Financial year 2025

DECLERCQ ISOLATIEBEDRIJF - ISODEC from Dentergem, company number BE0428852440, closed financial year 2025 with a result of € 137,980 after tax. For that financial year DECLERCQ ISOLATIEBEDRIJF - ISODEC recorded a gross margin of € 1.9 million and equity of € 2.4 million. Compared with financial year 2024, the result moved from € 93,981 to € 137,980. 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 June 30, 2026.

What it is worth Growing

€ 2.4 million

▲ 6% vs 2024

Assets minus debts, by the books. What is left if everything were sold and paid today.

Profit Growing

€ 137,980

▲ 47% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 12,908

▲ 1% vs 2024

Cash and bank balances on the last day of the fiscal year.

Where the profit goes Growing

Stays in the company

No dividend for 2025. Retained profit grew to € 2.4 million.

People and assets in 2025

Full-time equivalents

5.9

▼ 1.1 vs 2024

Average over the fiscal year, from the social balance sheet.

Wage cost

€ 367,912

▼ 18% vs 2024

€ 62,400 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.

Vehicles and equipment

€ 9.4 million

▼ 3% vs 2024

Of which on lease € 9.3 million.

Debts at end 2025

Bank debt ≈ 12 years to go The accounts give the long-term loan and the part due within the year. The remainder divided by that part is the number of years at an equal pace; a new loan or early repayment changes it.

€ 11.2 million

▼ 7% vs 2024

€ 914,669 is repaid this year. At this pace the long-term loan is gone in ≈ 12 years.

Owed to suppliers

€ 567,414

▲ 12% vs 2024

Supplier invoices still open on the last day of the fiscal year.

Taxes and wages

€ 54,298

▲ 36% vs 2024

Taxes, VAT and social contributions still to pay.

Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 1,456,688 Gross margin 2022: € 1,456,688 First fiscal year in the series	€ 2,097,422 Gross margin 2023: € 2,097,422 ▲ 44% vs 2022 (€ 1,456,688) Favourable step	€ 2,392,804 Gross margin 2024: € 2,392,804 ▲ 14% vs 2023 (€ 2,097,422) Favourable step	€ 1,881,556 Gross margin 2025: € 1,881,556 ▼ 21% vs 2024 (€ 2,392,804) Unfavourable step	▼ 21%
Profit after taxes	€ 756,981 Profit after taxes 2022: € 756,981 First fiscal year in the series	€ 13,282 Profit after taxes 2023: € 13,282 ▼ 98% vs 2022 (€ 756,981) Unfavourable step	€ 93,981 Profit after taxes 2024: € 93,981 ▲ € 80,700 vs 2023 (€ 13,282) Favourable step	€ 137,980 Profit after taxes 2025: € 137,980 ▲ 47% vs 2024 (€ 93,981) Favourable step	▲ 47%
Equity	€ 2,159,225 Equity 2022: € 2,159,225 First fiscal year in the series	€ 2,172,506 Equity 2023: € 2,172,506 ▲ 1% vs 2022 (€ 2,159,225) Favourable step	€ 2,266,488 Equity 2024: € 2,266,488 ▲ 4% vs 2023 (€ 2,172,506) Favourable step	€ 2,404,468 Equity 2025: € 2,404,468 ▲ 6% vs 2024 (€ 2,266,488) Favourable step	▲ 6%
Total debts	€ 11,705,727 Total debts 2022: € 11,705,727 First fiscal year in the series	€ 13,751,256 Total debts 2023: € 13,751,256 ▲ 17% vs 2022 (€ 11,705,727) Unfavourable step	€ 12,871,556 Total debts 2024: € 12,871,556 ▼ 6% vs 2023 (€ 13,751,256) Favourable step	€ 11,819,982 Total debts 2025: € 11,819,982 ▼ 8% vs 2024 (€ 12,871,556) Favourable step	▼ 8%
Cash	€ 373,943 Cash 2022: € 373,943 First fiscal year in the series	€ 23,638 Cash 2023: € 23,638 ▼ 94% vs 2022 (€ 373,943) Unfavourable step	€ 12,802 Cash 2024: € 12,802 ▼ 46% vs 2023 (€ 23,638) Unfavourable step	€ 12,908 Cash 2025: € 12,908 ▲ 1% vs 2024 (€ 12,802) Favourable step	▲ 1%
Land & buildings	€ 17,056 Land & buildings 2022: € 17,056 First fiscal year in the series	€ 13,180 Land & buildings 2023: € 13,180 ▼ 23% vs 2022 (€ 17,056) Unchanged	€ 9,304 Land & buildings 2024: € 9,304 ▼ 29% vs 2023 (€ 13,180) Unchanged	€ 5,429 Land & buildings 2025: € 5,429 ▼ 42% vs 2024 (€ 9,304) Unchanged	▼ 42%
Retained profit	€ 2,140,633 Retained profit 2022: € 2,140,633 First fiscal year in the series	€ 2,153,914 Retained profit 2023: € 2,153,914 ▲ 1% vs 2022 (€ 2,140,633) Favourable step	€ 2,247,896 Retained profit 2024: € 2,247,896 ▲ 4% vs 2023 (€ 2,153,914) Favourable step	€ 2,385,876 Retained profit 2025: € 2,385,876 ▲ 6% vs 2024 (€ 2,247,896) Favourable step	▲ 6%
Dividend	€ 100,000 Dividend 2022: € 100,000 First fiscal year in the series	€ 0 Dividend 2023: € 0 ▼ 100% vs 2022 (€ 100,000) Unchanged	€ 0 Dividend 2024: € 0 Unchanged (€ 0) Unchanged	€ 0 Dividend 2025: € 0 Unchanged (€ 0) Unchanged
Bank debt	€ 10,035,867 Bank debt 2022: € 10,035,867 First fiscal year in the series	€ 12,859,528 Bank debt 2023: € 12,859,528 ▲ 28% vs 2022 (€ 10,035,867) Unfavourable step	€ 12,062,653 Bank debt 2024: € 12,062,653 ▼ 6% vs 2023 (€ 12,859,528) Favourable step	€ 11,178,167 Bank debt 2025: € 11,178,167 ▼ 7% vs 2024 (€ 12,062,653) Favourable step	▼ 7%
Balance sheet total	€ 13,864,951 Balance sheet total 2022: € 13,864,951 First fiscal year in the series	€ 15,923,762 Balance sheet total 2023: € 15,923,762 ▲ 15% vs 2022 (€ 13,864,951) Unchanged	€ 15,138,043 Balance sheet total 2024: € 15,138,043 ▼ 5% vs 2023 (€ 15,923,762) Unchanged	€ 14,224,450 Balance sheet total 2025: € 14,224,450 ▼ 6% vs 2024 (€ 15,138,043) Unchanged	▼ 6%
Employees (FTE)	5 Employees (FTE) 2022: 5 First fiscal year in the series	7.5 Employees (FTE) 2023: 7.5 ▲ 2.5 vs 2022 (5) Unchanged	7 Employees (FTE) 2024: 7 ▼ 0.5 vs 2023 (7.5) Unchanged	5.9 Employees (FTE) 2025: 5.9 ▼ 1.1 vs 2024 (7) Unchanged	▼ 1.1

Key figures of DECLERCQ ISOLATIEBEDRIJF - ISODEC, 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 DECLERCQ ISOLATIEBEDRIJF - ISODEC?

What happened at DECLERCQ ISOLATIEBEDRIJF - ISODEC in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

Jun 30, 2026 New annual accounts for financial year 2025: profit of € 137,980 (▲ 47% vs 2024). Source: NBB ↗
Jun 5, 1986 New establishment in Dentergem. KBO
May 20, 1986 Start of the company according to the CBE. KBO

In short

From € 756,981 profit in 2022 to € 137,980 profit in 2025.

Paid € 52,300 in corporate taxes since 2022.

Best year ever: 2022, with € 756,981 profit.

On average € 318,900 of value added per employee in 2025.

Original PDFs at the National Bank ↗

Management

SOWI INVEST 49.7%

The stake of SOWI INVEST comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.

DECLERCQ ISOLATIEBEDRIJF - ISODEC

Behind DECLERCQ ISOLATIEBEDRIJF - ISODEC is Sowi Invest. The shares are held by SOWI INVEST (49.7%).

Directors

According to the 2025 annual accounts

Sowi Invest

Director · represented by Wim Declercq

Shareholders

SOWI INVEST

49.7%

Participations

No participations in other companies reported.

Establishments

Establishment units

Physical locations of this company

Registered office

Brugstraat(Oes) 25

8720 Dentergem

2.036.792.637

Volderstraat 28

8720 Dentergem

Active since 5 June 1986

What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.

Website

HTTPS isodec.be

Technologies

AvadaFont AwesomeNginxPHPWordPressWordfenceYoast SEOjQuery

Hosting & Email

Email provider

Microsoft 365

Hosting

COMBELL-AS, BE

Website info

HTTPS Ja

Languages NL

Features

Webshop Contact page

Security

✓ HTTPS

✓ SPF

✗ DMARC

Network

✓ IPv6

Details

Company number

0428.852.440

VAT number

BE 0428.852.440

Registered office

Brugstraat(Oes) 25, 8720 Dentergem

Names & denominations

DECLERCQ ISOLATIEBEDRIJF - ISODEC · ISODEC

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

20 May 1986

Peppol

Active · Active since 12 Mar 2025

Contact

isodec.be

Activities · NACE

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View on CBE Public ↗ Annual accounts (NBB) ↗