What does DELTA MAINTENANCE SYSTEMS do?

DELTA MAINTENANCE SYSTEMS is a testing and inspection body in Seraing. Private Limited, started on 5 August 1986, 1 establishment.

What is the address of DELTA MAINTENANCE SYSTEMS?

The registered office of DELTA MAINTENANCE SYSTEMS is located at Rue Ferrer 13, 4100 Seraing.

Is DELTA MAINTENANCE SYSTEMS still active?

Yes. According to the CBE (30 October 2026) DELTA MAINTENANCE SYSTEMS is active, legal situation “Normale toestand”, started on 5 August 1986.

Is DELTA MAINTENANCE SYSTEMS registered on Peppol?

Yes, DELTA MAINTENANCE SYSTEMS is registered on the Peppol network with ID 0208:0429247764.

What is the enterprise number of DELTA MAINTENANCE SYSTEMS?

The enterprise number of DELTA MAINTENANCE SYSTEMS is BE0429247764.

When was DELTA MAINTENANCE SYSTEMS founded?

DELTA MAINTENANCE SYSTEMS was founded on 5 August 1986.

Who are the directors of DELTA MAINTENANCE SYSTEMS?

According to the 2025 annual accounts, the directors of DELTA MAINTENANCE SYSTEMS are: Nunzio Porretta, Eric Mathieu.

Is DELTA MAINTENANCE SYSTEMS a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 5 August 1986; 5 annual accounts filed, latest fiscal year 2025; 2 directors known from the annual account.

How much profit did DELTA MAINTENANCE SYSTEMS make in 2025?

DELTA MAINTENANCE SYSTEMS posted a profit after taxes of € 19,192 in financial year 2025.

What is the revenue of DELTA MAINTENANCE SYSTEMS?

As a small company, DELTA MAINTENANCE SYSTEMS is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 252,299.

How much does an employee at DELTA MAINTENANCE SYSTEMS earn?

The average wage cost per full-time employee at DELTA MAINTENANCE SYSTEMS was € 52,600 in 2025: staff costs of € 168,458 for 3.2 FTE, according to the annual account at the National Bank. That is the employer's cost, not net pay.

How many employees does DELTA MAINTENANCE SYSTEMS have?

According to the 2025 annual accounts, DELTA MAINTENANCE SYSTEMS has 3.2 full-time equivalents (FTE).

DELTA MAINTENANCE SYSTEMS (Private Limited) - Seraing

Dossier DELTA MAINTENANCE SYSTEMS, printed on 30 October 2026 from databakkes.be/en/0429247764/delta-maintenance-systems. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2025

DELTA MAINTENANCE SYSTEMS from Seraing, company number BE0429247764, closed financial year 2025 with a result of € 19,192 after tax. For that financial year DELTA MAINTENANCE SYSTEMS recorded a gross margin of € 252,299 and equity of € 305,352. Compared with financial year 2024, the result moved from € -2,381 to € 19,192. 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 July 1, 2026.

What it is worth Growing

€ 305,352

▲ 3% vs 2024

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

Profit Growing

€ 19,192

▲ still € 2,381 loss in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 110,997

▼ 6% vs 2024

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

Where the profit goes Pays out

€ 10,000 paid out

52 % of the profit went to the shareholders, the rest stayed in the company.

People and assets in 2025

Full-time equivalents

3.2

▲ 0.2 vs 2024

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

Wage cost

€ 168,458

▼ 9% vs 2024

€ 52,600 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.

Vehicles and equipment

€ 38,502

▼ 30% vs 2024

Of which on lease € 18,439.

Debts at end 2025

Bank debt ≈ 2 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.

€ 34,588

▼ 36% vs 2024

€ 17,997 is repaid this year. At this pace the long-term loan is gone in ≈ 2 years.

Owed to suppliers

€ 9,332

▼ 42% vs 2024

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

Taxes and wages

€ 39,061

▼ 33% 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	€ 215,145 Gross margin 2022: € 215,145 First fiscal year in the series	€ 276,808 Gross margin 2023: € 276,808 ▲ 29% vs 2022 (€ 215,145) Favourable step	€ 233,299 Gross margin 2024: € 233,299 ▼ 16% vs 2023 (€ 276,808) Unfavourable step	€ 252,299 Gross margin 2025: € 252,299 ▲ 8% vs 2024 (€ 233,299) Favourable step	▲ 8%
Profit after taxes	€ 32,825 Profit after taxes 2022: € 32,825 First fiscal year in the series	€ 45,481 Profit after taxes 2023: € 45,481 ▲ 39% vs 2022 (€ 32,825) Favourable step	€ -2,381 Profit after taxes 2024: € -2,381 ▼ € 47,863 vs 2023 (€ 45,481) Unfavourable step	€ 19,192 Profit after taxes 2025: € 19,192 ▲ € 21,574 vs 2024 (€ -2,381) Favourable step	▲ € 21,574
Equity	€ 277,991 Equity 2022: € 277,991 First fiscal year in the series	€ 308,638 Equity 2023: € 308,638 ▲ 11% vs 2022 (€ 277,991) Favourable step	€ 296,160 Equity 2024: € 296,160 ▼ 4% vs 2023 (€ 308,638) Unfavourable step	€ 305,352 Equity 2025: € 305,352 ▲ 3% vs 2024 (€ 296,160) Favourable step	▲ 3%
Total debts	€ 98,442 Total debts 2022: € 98,442 First fiscal year in the series	€ 162,314 Total debts 2023: € 162,314 ▲ 65% vs 2022 (€ 98,442) Unfavourable step	€ 138,768 Total debts 2024: € 138,768 ▼ 15% vs 2023 (€ 162,314) Favourable step	€ 93,448 Total debts 2025: € 93,448 ▼ 33% vs 2024 (€ 138,768) Favourable step	▼ 33%
Cash	€ 196,918 Cash 2022: € 196,918 First fiscal year in the series	€ 247,659 Cash 2023: € 247,659 ▲ 26% vs 2022 (€ 196,918) Favourable step	€ 118,411 Cash 2024: € 118,411 ▼ 52% vs 2023 (€ 247,659) Unfavourable step	€ 110,997 Cash 2025: € 110,997 ▼ 6% vs 2024 (€ 118,411) Unfavourable step	▼ 6%
Retained profit	€ 156,411 Retained profit 2022: € 156,411 First fiscal year in the series	€ 187,292 Retained profit 2023: € 187,292 ▲ 20% vs 2022 (€ 156,411) Favourable step	€ 174,911 Retained profit 2024: € 174,911 ▼ 7% vs 2023 (€ 187,292) Unfavourable step	€ 184,103 Retained profit 2025: € 184,103 ▲ 5% vs 2024 (€ 174,911) Favourable step	▲ 5%
Dividend	€ 37,500 Dividend 2022: € 37,500 First fiscal year in the series	€ 14,600 Dividend 2023: € 14,600 ▼ 61% vs 2022 (€ 37,500) Unchanged	€ 10,000 Dividend 2024: € 10,000 ▼ 32% vs 2023 (€ 14,600) Unchanged	€ 10,000 Dividend 2025: € 10,000 Unchanged (€ 10,000) Unchanged
Bank debt	€ 8,835 Bank debt 2022: € 8,835 First fiscal year in the series	€ 34,613 Bank debt 2023: € 34,613 ▲ 292% vs 2022 (€ 8,835) Unfavourable step	€ 54,276 Bank debt 2024: € 54,276 ▲ 57% vs 2023 (€ 34,613) Unfavourable step	€ 34,588 Bank debt 2025: € 34,588 ▼ 36% vs 2024 (€ 54,276) Favourable step	▼ 36%
Balance sheet total	€ 376,544 Balance sheet total 2022: € 376,544 First fiscal year in the series	€ 470,984 Balance sheet total 2023: € 470,984 ▲ 25% vs 2022 (€ 376,544) Unchanged	€ 434,928 Balance sheet total 2024: € 434,928 ▼ 8% vs 2023 (€ 470,984) Unchanged	€ 398,801 Balance sheet total 2025: € 398,801 ▼ 8% vs 2024 (€ 434,928) Unchanged	▼ 8%
Employees (FTE)	3 Employees (FTE) 2022: 3 First fiscal year in the series	3 Employees (FTE) 2023: 3 Unchanged (3) Unchanged	3 Employees (FTE) 2024: 3 Unchanged (3) Unchanged	3.2 Employees (FTE) 2025: 3.2 ▲ 0.2 vs 2024 (3) Unchanged	▲ 0.2

Key figures of DELTA MAINTENANCE SYSTEMS, 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 DELTA MAINTENANCE SYSTEMS?

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

Jul 1, 2026 New annual accounts for financial year 2025: profit of € 19,192. Source: NBB ↗
2023 Nunzio Porretta became a director. NBB
2023 Eric Mathieu became a director. NBB
Aug 25, 1986 New establishment in Seraing. KBO
Aug 5, 1986 Start of the company according to the CBE. KBO

In short

From € 32,825 profit in 2022 to € 19,192 profit in 2025.

Paid € 51,322 in corporate taxes since 2022.

Best year ever: 2023, with € 45,481 profit.

On average € 78,800 of value added per employee in 2025.

Original PDFs at the National Bank ↗

Management

Nunzio Porretta Eric Mathieu

DELTA MAINTENANCE SYSTEMS

Behind DELTA MAINTENANCE SYSTEMS are Nunzio Porretta and Eric Mathieu.

Directors

According to the 2025 annual accounts

Nunzio Porretta

Managing director

since 2023

Eric Mathieu

administrateur

since 2023

Establishments

Establishment units

Physical locations of this company

Registered office

Rue Ferrer 13

4100 Seraing

2.035.920.231

Place des Verriers 10A

4100 Seraing

Active since 25 August 1986

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

Details

Company number

0429.247.764

VAT number

BE 0429.247.764

Registered office

Rue Ferrer 13, 4100 Seraing

Names & denominations

DELTA MAINTENANCE SYSTEMS · DEMSY

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

5 August 1986

Peppol

Active · Active since 18 Dec 2025

Activities · NACE

Overige technische testen en toetsen

Technische testen en analyses

Bewakingsbedrijven en beveiligingsdiensten

Opsporings- en particuliere beveiligingsdiensten

Particuliere beveiliging

Groothandel in overige kantoormachines en kantoorbenodigdheden

Groothandel in informatie- en communicatieapparatuur

Groothandel in andere kantoormachines en kantoorbenodigdheden, met uitzondering van computers en randapparatuur

View on CBE Public ↗ Annual accounts (NBB) ↗