What does MAMMOET INVEST do?

MAMMOET INVEST is registered with the CBE as active in: Activiteiten van holdings. Public Limited, started on 20 March 1991, 1 establishment.

What is the address of MAMMOET INVEST?

The registered office of MAMMOET INVEST is located at Kapelanielaan 29, 9140 Temse.

Is MAMMOET INVEST still active?

Yes. According to the CBE (30 October 2026) MAMMOET INVEST is active, legal situation “Normale toestand”, started on 20 March 1991.

Is MAMMOET INVEST registered on Peppol?

Yes, MAMMOET INVEST is registered on the Peppol network with ID 0208:0443712642.

What is the enterprise number of MAMMOET INVEST?

The enterprise number of MAMMOET INVEST is BE0443712642.

When was MAMMOET INVEST founded?

MAMMOET INVEST was founded on 20 March 1991.

Who are the directors of MAMMOET INVEST?

According to the 2025 annual accounts, the directors of MAMMOET INVEST are: Jan Theys.

Is MAMMOET INVEST a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 20 March 1991; 4 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did MAMMOET INVEST make in 2025?

MAMMOET INVEST recorded a loss after taxes of € 4,332 in financial year 2025.

What is the revenue of MAMMOET INVEST?

As a small company, MAMMOET INVEST is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € -2,420.

MAMMOET INVEST (Public Limited) - Temse - BE0443712642

Dossier MAMMOET INVEST, printed on 30 October 2026 from databakkes.be/en/0443712642/mammoet-invest. 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.

Two loss years in a row NBB

Negative result in 2024 and 2025.
Tight liquidity NBB

Cash and receivables cover 2 % of short-term debt in 2025; threshold 65 %.

Financials

Financial year 2025

MAMMOET INVEST from Temse, company number BE0443712642, closed financial year 2025 with a result of € -4,332 after tax. For that financial year MAMMOET INVEST recorded a gross margin of € -2,420 and equity of € 72,037. Compared with financial year 2024, the result moved from € -1,903 to € -4,332. The company made a loss. The company holds a healthy buffer. High debts against a small own buffer. The most recent annual accounts were filed with the National Bank of Belgium on July 17, 2026.

What it is worth Healthy

€ 72,037

▼ 6% vs 2024

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

Loss Caution

€ -4,332

▼ 128 % more loss than in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 43

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

Where the profit goes Caution

Loss, nothing to pay out

Reserves fell to € -185,029.

Debts at end 2025

Bank debt

€ 101,067

▼ 55% vs 2024

Loans from banks and other lenders, long and short.

Owed to suppliers

€ 3,795

▼ 5% vs 2024

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

Key figures per fiscal year Download key figures (CSV)
	2021	2022	2024	2025	Change 2024 → 2025
Gross margin	€ 6,591 Gross margin 2021: € 6,591 First fiscal year in the series	€ -2,465 Gross margin 2022: € -2,465 ▼ € 9,056 vs 2021 (€ 6,591) Unfavourable step	-	€ -2,420 Gross margin 2025: € -2,420 First fiscal year in the series
Profit after taxes	€ -95,021 Profit after taxes 2021: € -95,021 First fiscal year in the series	€ -272,087 Profit after taxes 2022: € -272,087 ▼ € 177,066 vs 2021 (€ -95,021) Unfavourable step	€ -1,903 Profit after taxes 2024: € -1,903 ▲ € 270,184 vs 2022 (€ -272,087) Favourable step	€ -4,332 Profit after taxes 2025: € -4,332 ▼ € 2,429 vs 2024 (€ -1,903) Unfavourable step	▼ € 2,429
Equity	€ 30,398 Equity 2021: € 30,398 First fiscal year in the series	€ -241,689 Equity 2022: € -241,689 ▼ € 272,087 vs 2021 (€ 30,398) Unfavourable step	€ 76,368 Equity 2024: € 76,368 ▲ € 318,057 vs 2022 (€ -241,689) Favourable step	€ 72,037 Equity 2025: € 72,037 ▼ 6% vs 2024 (€ 76,368) Unfavourable step	▼ 6%
Total debts	€ 904,245 Total debts 2021: € 904,245 First fiscal year in the series	€ 896,256 Total debts 2022: € 896,256 ▼ 1% vs 2021 (€ 904,245) Favourable step	€ 561,009 Total debts 2024: € 561,009 ▼ 37% vs 2022 (€ 896,256) Favourable step	€ 563,603 Total debts 2025: € 563,603 Unchanged (€ 561,009) Unfavourable step
Cash	€ 206 Cash 2021: € 206 First fiscal year in the series	€ 1,905 Cash 2022: € 1,905 ▲ € 1,699 vs 2021 (€ 206) Favourable step	-	€ 43 Cash 2025: € 43 First fiscal year in the series
Retained profit	€ -226,667 Retained profit 2021: € -226,667 First fiscal year in the series	€ -498,755 Retained profit 2022: € -498,755 ▼ € 272,087 vs 2021 (€ -226,667) Unfavourable step	€ -180,697 Retained profit 2024: € -180,697 ▲ € 318,057 vs 2022 (€ -498,755) Favourable step	€ -185,029 Retained profit 2025: € -185,029 ▼ € 4,332 vs 2024 (€ -180,697) Unfavourable step	▼ € 4,332
Bank debt	€ 316,822 Bank debt 2021: € 316,822 First fiscal year in the series	€ 287,075 Bank debt 2022: € 287,075 ▼ 9% vs 2021 (€ 316,822) Favourable step	€ 226,211 Bank debt 2024: € 226,211 ▼ 21% vs 2022 (€ 287,075) Favourable step	€ 101,067 Bank debt 2025: € 101,067 ▼ 55% vs 2024 (€ 226,211) Favourable step	▼ 55%
Balance sheet total	€ 934,644 Balance sheet total 2021: € 934,644 First fiscal year in the series	€ 654,566 Balance sheet total 2022: € 654,566 ▼ 30% vs 2021 (€ 934,644) Unchanged	€ 637,377 Balance sheet total 2024: € 637,377 ▼ 3% vs 2022 (€ 654,566) Unchanged	€ 635,640 Balance sheet total 2025: € 635,640 Unchanged (€ 637,377) Unchanged

Key figures of MAMMOET INVEST, fiscal years 2021 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 MAMMOET INVEST?

What happened at MAMMOET INVEST in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

2029 Jan Theys stepped down as director. NBB
Jul 17, 2026 New annual accounts for financial year 2025: loss of € 4,332. Source: NBB ↗
2023 Jan Theys became a director. NBB
Jun 18, 1991 New establishment in Antwerpen. KBO
Mar 20, 1991 Start of the company according to the CBE. KBO

In short

From € 95,021 loss in 2021 to € 4,332 loss in 2025.

Original PDFs at the National Bank ↗

Management

MAMMOET INVEST

Iguanodon 84.2%

J. Olieslaeger & Co 15.1%

It owns 84.2% of Iguanodon and 15.1% of J. Olieslaeger & Co itself.

Directors

According to the 2025 annual accounts

Jan Theys

Director

Also active at: J. OLIESLAEGER & CO, IGUANODON, ABRAN

since 2023 · until 2029

Establishments

Establishment units

Physical locations of this company

Registered office

Kapelanielaan 29

9140 Temse

2.053.169.603

Amerikalei 186

2000 Antwerpen

Active since 18 June 1991

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 6 companies are registered at this address.

All companies at this address →

A.G.M.

€ -7,758 gross margin · 2024

J. OLIESLAEGER & CO same network

€ 238,751 gross margin · 2025

IGUANODON same network

€ 61,481 gross margin · 2025

ABRAN same network

€ 17,072 gross margin · 2025

ALL - RECUP

+1 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

0443.712.642

VAT number

BE 0443.712.642

Registered office

Kapelanielaan 29, 9140 Temse

Names & denominations

MAMMOET INVEST

Enterprise type

Rechtspersoon

Legal form

Public limited company

Legal situation

Normale toestand

Start date

20 March 1991

Peppol

Active · Active since 31 Mar 2026

Activities · NACE

Activiteiten van holdings

Holdings

Administratieve en ondersteunende activiteiten ten behoeve van kantoren

Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies

Diverse administratieve activiteiten ten behoeve van kantoren

Overige adviesbureaus op het gebied van bedrijfsbeheer; adviesbureaus op het gebied van bedrijfsvoering

View on CBE Public ↗ Annual accounts (NBB) ↗

MAMMOET INVEST

Warning lights

Financials

What happened to MAMMOET INVEST?

Management

Directors

Establishments

Establishment units

Who else lives here?

Details

Frequently asked questions