Active · per the CBE, 30 October 2026
Tandem logo

Tandem

BE0428708623

Rechtspersoon Non-profit association 2 establishments

Tandem is a social services organisation in Diepenbeek. Non-profit, started on 14 September 1983, 2 establishments.

Onze-Lieve-Vrouwstraat 18, 3590 Diepenbeek tandemvzw.be

Active for

43 year, 1 month

Financials

Financial year 2025

Tandem from Diepenbeek, company number BE0428708623, closed financial year 2025 with a result of € 148,672 after tax. For that financial year Tandem recorded revenue of € 619,036 and equity of € 1.9 million. Compared with financial year 2024, the result moved from € -125,793 to € 148,672. Profitable, and profit is growing. The buffer is growing. A strong own buffer against the debts. The most recent annual accounts were filed with the National Bank of Belgium on May 21, 2026.

What it is worth Growing

€ 1.9 million

▲ 5% vs 2024

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

Profit Growing

€ 148,672

▲ still € 125,793 loss in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 450,415

▲ 93% vs 2024

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

People and assets in 2025

Full-time equivalents

52.8

▲ 1.5 vs 2024

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

Wage cost

€ 3.7 million

▲ 2% vs 2024

€ 70,300 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

€ 118,139

▲ 9% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 10 years to go

€ 886,740

▼ 36% vs 2024

€ 84,521 is repaid this year. At this pace the long-term loan is gone in ≈ 10 years.

Owed to suppliers

€ 79,355

▼ 38% vs 2024

Supplier invoices still open on the last day of the fiscal year. Pays suppliers within 46 days on average.

Taxes and wages

€ 634,906

▲ 2% vs 2024

Taxes, VAT and social contributions still to pay.

Key figures per fiscal year Download key figures (CSV)
2022202320242025Change 2024 → 2025
Revenue - € 575,483 € 537,787 € 619,036 ▲ 15%
Gross margin € 3,406,046 - - -
Profit after taxes € -3,413 € -8,173 € -125,793 € 148,672 ▲ € 274,464
Equity € 2,010,061 € 1,945,054 € 1,762,426 € 1,854,263 ▲ 5%
Total debts € 2,475,760 € 2,198,453 € 2,168,417 € 1,665,276 ▼ 23%
Cash € 781,922 € 895,995 € 233,279 € 450,415 ▲ 93%
Land & buildings € 2,623,620 € 2,484,028 € 2,364,552 € 1,706,126 ▼ 28%
Retained profit € 993,926 € 985,753 € 859,960 € 1,008,632 ▲ 17%
Bank debt € 1,573,890 € 1,484,462 € 1,392,180 € 886,740 ▼ 36%
Balance sheet total € 4,652,111 € 4,324,753 € 3,930,843 € 3,519,540 ▼ 10%
Employees (FTE) 53.3 51.5 51.3 52.8 ▲ 1.5

Key figures of Tandem, 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 Tandem?

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

  • Koen Molemans stepped down as director. NBB
  • Anna Machiels stepped down as director. NBB
  • Gyselaers Eliane stepped down as director. NBB
  • Ludo Naelaerts stepped down as director. NBB
  • Frans De Vos stepped down as director. NBB
  • Ghislaine Palmers stepped down as director. NBB
  • New annual accounts for financial year 2025: profit of € 148,672. Source: NBB ↗
  • New establishment in Diepenbeek. KBO

In short

From € 3,413 loss in 2022 to € 148,672 profit in 2025.

Paid € 9,961 in corporate taxes since 2022.

Best year ever: 2025, with € 148,672 profit.

On average € 63,900 of value added per employee in 2022.

Management

Directors

According to the 2025 annual accounts

Koen Molemans

Director

since 2004 · until 2031

Anna Machiels

Director

since 2007 · until 2031

Gyselaers Eliane

Secretaris

since 1999 · until 2031

Ludo Naelaerts

Director

since 2013 · until 2031

Frans De Vos

Voorzitter van het bestuursorgaan

since 1991 · until 2031

Ghislaine Palmers

Ondervoorzitter van het bestuursorgaan

since 1988 · until 2031

Establishments

Establishment units

Physical locations of this company

Registered office

Onze-Lieve-Vrouwstraat 18

3590 Diepenbeek

2.277.860.106

Servaasplein 15

3590 Diepenbeek

Active since 3 September 2018

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 1 companies are registered at this address.

All companies at this address →

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

Website

Technologies

BootstrapCloudflare CDNGoogle FontsJoomlaPHPjQuery

Hosting & Email

Email provider

Microsoft 365

Hosting

CLOUDFLARENET - Cloudflare, Inc., US

DNS

Cloudflare DNS

Website info

HTTPS Ja
Languages NL
Copyright 2026

Features

Contact page

Security

✓ HTTPS
✓ SPF
✗ DMARC

Network

✓ IPv6
✓ Load balancing

Details

Company number
0428.708.623
VAT number
BE 0428.708.623
Registered office
Onze-Lieve-Vrouwstraat 18, 3590 Diepenbeek
Names & denominations
Tandem
Enterprise type
Rechtspersoon
Legal form
Non-profit association
Legal situation
Normale toestand
Start date
14 September 1983
Peppol
Active · Active since 29 Jan 2026
Contact
tandemvzw.be
Activities · NACE

Beschutte en sociale werkplaatsen

Beschutte werkplaatsen

Frequently asked questions

What does Tandem do?
Tandem is a social services organisation in Diepenbeek. Non-profit, started on 14 September 1983, 2 establishments.
What is the address of Tandem?
The registered office of Tandem is located at Onze-Lieve-Vrouwstraat 18, 3590 Diepenbeek.
Is Tandem still active?
Yes. According to the CBE (30 October 2026) Tandem is active, legal situation “Normale toestand”, started on 14 September 1983.
Is Tandem registered on Peppol?
Yes, Tandem is registered on the Peppol network with ID 0208:0428708623.
What is the enterprise number of Tandem?
The enterprise number of Tandem is BE0428708623.
When was Tandem founded?
Tandem was founded on 14 September 1983.