What does MAINSYS GROUP do?

MAINSYS GROUP is a research organisation in Elsene. Public Limited, started on 29 November 1995, 1 establishment.

What is the address of MAINSYS GROUP?

The registered office of MAINSYS GROUP is located at Marsveldplein 5 box 21, 1050 Elsene.

Is MAINSYS GROUP still active?

Yes. According to the CBE (29 October 2026) MAINSYS GROUP is active, legal situation “Normale toestand”, started on 29 November 1995.

Is MAINSYS GROUP registered on Peppol?

Yes, MAINSYS GROUP is registered on the Peppol network with ID 0208:0456540594.

What is the enterprise number of MAINSYS GROUP?

The enterprise number of MAINSYS GROUP is BE0456540594.

When was MAINSYS GROUP founded?

MAINSYS GROUP was founded on 29 November 1995.

Who are the directors of MAINSYS GROUP?

According to the 2025 annual accounts, the directors of MAINSYS GROUP are: Jacques FAVILLIER, MONEYSOFT SA, Jean-Marie THIBAUT, CREDIT MUTUEL ARKEA SCRL, Pierre LEMAIRE, Jean-Valéry DUVIEUSART, Bernard CLERBOIS, Alexandre DEGRIJSE.

Is MAINSYS GROUP a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 29 November 1995; 5 annual accounts filed, latest fiscal year 2025; 10 directors known from the annual account.

How much profit did MAINSYS GROUP make in 2025?

MAINSYS GROUP posted a profit after taxes of € 1,579,059 in financial year 2025.

What is the revenue of MAINSYS GROUP?

In its most recent annual accounts (2025), MAINSYS GROUP reported revenue of € 4,725,965.

How much does an employee at MAINSYS GROUP earn?

The average wage cost per full-time employee at MAINSYS GROUP was € 125,900 in 2025: staff costs of € 994,983 for 7.9 FTE, according to the annual account at the National Bank. That is the employer's cost, not net pay.

How many employees does MAINSYS GROUP have?

According to the 2025 annual accounts, MAINSYS GROUP has 7.9 full-time equivalents (FTE).

MAINSYS GROUP (Public Limited) - Elsene - BE0456540594

Dossier MAINSYS GROUP, printed on 29 October 2026 from databakkes.be/en/0456540594/mainsys-group. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2025

MAINSYS GROUP from Elsene, company number BE0456540594, closed financial year 2025 with a result of € 1.6 million after tax. For that financial year MAINSYS GROUP recorded revenue of € 4.7 million and equity of € 8.7 million. Compared with financial year 2024, the result moved from € 523,418 to € 1.6 million. 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 12, 2026.

What it is worth Growing

€ 8.7 million

▲ 22% vs 2024

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

Profit Growing

€ 1.6 million

▲ 202% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 205,437

▲ 34% 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 € 6.2 million.

People and assets in 2025

Full-time equivalents

7.9

▲ 0.4 vs 2024

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

Wage cost Staff costs are payroll only. Director pay sits with services and miscellaneous goods: € 3.5 million in 2025, together with rent, insurance, accountants and other services. The accounts do not split that further.

€ 994,983

▲ 2% vs 2024

€ 125,900 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

€ 133,180

▼ 21% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 4 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.

€ 2 million

▲ 28% vs 2024

€ 210,230 is repaid this year. At this pace the long-term loan is gone in ≈ 4 years.

Owed to suppliers

€ 392,992

▲ 31% vs 2024

Supplier invoices still open on the last day of the fiscal year. Pays suppliers within 41 days on average.

Taxes and wages

€ 196,341

▼ 1% 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
Revenue	€ 4,206,793 Revenue 2022: € 4,206,793 First fiscal year in the series	€ 4,465,680 Revenue 2023: € 4,465,680 ▲ 6% vs 2022 (€ 4,206,793) Favourable step	€ 4,731,590 Revenue 2024: € 4,731,590 ▲ 6% vs 2023 (€ 4,465,680) Favourable step	€ 4,725,965 Revenue 2025: € 4,725,965 Unchanged (€ 4,731,590) Unfavourable step
Profit after taxes	€ 1,062,463 Profit after taxes 2022: € 1,062,463 First fiscal year in the series	€ 226,720 Profit after taxes 2023: € 226,720 ▼ 79% vs 2022 (€ 1,062,463) Unfavourable step	€ 523,418 Profit after taxes 2024: € 523,418 ▲ 131% vs 2023 (€ 226,720) Favourable step	€ 1,579,059 Profit after taxes 2025: € 1,579,059 ▲ 202% vs 2024 (€ 523,418) Favourable step	▲ 202%
Equity	€ 6,571,534 Equity 2022: € 6,571,534 First fiscal year in the series	€ 6,558,554 Equity 2023: € 6,558,554 Unchanged (€ 6,571,534) Unfavourable step	€ 7,081,972 Equity 2024: € 7,081,972 ▲ 8% vs 2023 (€ 6,558,554) Favourable step	€ 8,661,031 Equity 2025: € 8,661,031 ▲ 22% vs 2024 (€ 7,081,972) Favourable step	▲ 22%
Total debts	€ 2,627,432 Total debts 2022: € 2,627,432 First fiscal year in the series	€ 3,453,139 Total debts 2023: € 3,453,139 ▲ 31% vs 2022 (€ 2,627,432) Unfavourable step	€ 4,445,027 Total debts 2024: € 4,445,027 ▲ 29% vs 2023 (€ 3,453,139) Unfavourable step	€ 3,216,499 Total debts 2025: € 3,216,499 ▼ 28% vs 2024 (€ 4,445,027) Favourable step	▼ 28%
Cash	€ 31,016 Cash 2022: € 31,016 First fiscal year in the series	€ 97,653 Cash 2023: € 97,653 ▲ 215% vs 2022 (€ 31,016) Favourable step	€ 153,428 Cash 2024: € 153,428 ▲ 57% vs 2023 (€ 97,653) Favourable step	€ 205,437 Cash 2025: € 205,437 ▲ 34% vs 2024 (€ 153,428) Favourable step	▲ 34%
Retained profit	€ 4,134,561 Retained profit 2022: € 4,134,561 First fiscal year in the series	€ 4,121,581 Retained profit 2023: € 4,121,581 Unchanged (€ 4,134,561) Unfavourable step	€ 4,644,999 Retained profit 2024: € 4,644,999 ▲ 13% vs 2023 (€ 4,121,581) Favourable step	€ 6,224,058 Retained profit 2025: € 6,224,058 ▲ 34% vs 2024 (€ 4,644,999) Favourable step	▲ 34%
Bank debt	€ 1,948,439 Bank debt 2022: € 1,948,439 First fiscal year in the series	€ 1,709,867 Bank debt 2023: € 1,709,867 ▼ 12% vs 2022 (€ 1,948,439) Favourable step	€ 1,520,048 Bank debt 2024: € 1,520,048 ▼ 11% vs 2023 (€ 1,709,867) Favourable step	€ 1,951,735 Bank debt 2025: € 1,951,735 ▲ 28% vs 2024 (€ 1,520,048) Unfavourable step	▲ 28%
Balance sheet total	€ 9,198,966 Balance sheet total 2022: € 9,198,966 First fiscal year in the series	€ 10,011,693 Balance sheet total 2023: € 10,011,693 ▲ 9% vs 2022 (€ 9,198,966) Unchanged	€ 11,526,999 Balance sheet total 2024: € 11,526,999 ▲ 15% vs 2023 (€ 10,011,693) Unchanged	€ 11,877,530 Balance sheet total 2025: € 11,877,530 ▲ 3% vs 2024 (€ 11,526,999) Unchanged	▲ 3%
Employees (FTE)	8.2 Employees (FTE) 2022: 8.2 First fiscal year in the series	7.9 Employees (FTE) 2023: 7.9 ▼ 0.3 vs 2022 (8.2) Unchanged	7.5 Employees (FTE) 2024: 7.5 ▼ 0.4 vs 2023 (7.9) Unchanged	7.9 Employees (FTE) 2025: 7.9 ▲ 0.4 vs 2024 (7.5) Unchanged	▲ 0.4

Key figures of MAINSYS GROUP, 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 MAINSYS GROUP?

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

2027 Jacques FAVILLIER stepped down as director. NBB
2027 MONEYSOFT SA stepped down as director. NBB
2027 Jean-Marie THIBAUT stepped down as director. NBB
2027 CREDIT MUTUEL ARKEA SCRL stepped down as director. NBB
2027 Pierre LEMAIRE stepped down as director. NBB
2027 Jean-Valéry DUVIEUSART stepped down as director. NBB
2027 Bernard CLERBOIS stepped down as director. NBB
2027 Alexandre DEGRIJSE stepped down as director. NBB

In short

From € 1.1 million profit in 2022 to € 1.6 million profit in 2025.

Paid € 80,293 in corporate taxes since 2022.

Best year ever: 2025, with € 1.6 million profit.

Pays suppliers within 41 days on average.

Original PDFs at the National Bank ↗

Management

LEMAIRE CONSULTING 25.1%

SOMOTA 25%

CLERBOIS CONSULTING 13.6%

RAMA CONSULTING 10.3%

The stake of LEMAIRE CONSULTING, SOMOTA, CLERBOIS CONSULTING, RAMA CONSULTING comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.

MAINSYS GROUP

MAINSYS FRANCE 100%

MAINSYS FINANCIAL SOFTWARE 100%

MAINSYS LUXEMBOURG 100%

MAINSYS BELGIUM 100%

The shares are held by LEMAIRE CONSULTING (25.1%), SOMOTA (25%), CLERBOIS CONSULTING (13.6%) and RAMA CONSULTING (10.3%). It owns 100% of MAINSYS FRANCE, 100% of MAINSYS FINANCIAL SOFTWARE, 100% of MAINSYS LUXEMBOURG and 100% of MAINSYS BELGIUM itself.

Directors

According to the 2025 annual accounts

Jacques FAVILLIER

Director

since 2021 · until 2027

MONEYSOFT SA

Director · represented by Jacques GODET

since 2024 · until 2027

Jean-Marie THIBAUT

Managing director

Also active at: SOMOTA, THARSOS INVEST, MAINSYS FINANCIAL SOFTWARE, MAINSYS BELGIUM

since 2021 · until 2027

CREDIT MUTUEL ARKEA SCRL

Director · represented by Mickael BLEUSE

since 2021 · until 2027

Pierre LEMAIRE

Managing director

Also active at: LEMAIRE CONSULTING, THARSOS INVEST, MAINSYS FINANCIAL SOFTWARE, MAINSYS BELGIUM

since 2021 · until 2027

Jean-Valéry DUVIEUSART

Director

Also active at: CoRealise, MAINSYS BELGIUM

since 2021 · until 2027

Bernard CLERBOIS

Managing director

Also active at: CLERBOIS CONSULTING, MAINSYS FINANCIAL SOFTWARE, MAINSYS BELGIUM

since 2021 · until 2027

Alexandre DEGRIJSE

Director

Also active at: MAINSYS FINANCIAL SOFTWARE, AGO CONSULTING

since 2021 · until 2027

Claude LEGUAY

Director

since 2021 · until 2027

Stéphane LECHAUDE

Director

Also active at: LECHAUDE CONSULTING, MAINSYS BELGIUM

since 2021 · until 2027

Shareholders

25.1%

25%

13.6%

10.3%

Participations

MAINSYS FRANCE

100%

MAINSYS FINANCIAL SOFTWARE

100%

MAINSYS LUXEMBOURG

100%

MAINSYS BELGIUM

100%

Establishments

Establishment units

Physical locations of this company

Registered office

Marsveldplein 5 box 21

1050 Elsene

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

Details

Company number

0456.540.594

VAT number

BE 0456.540.594

Registered office

Marsveldplein 5 bus 21, 1050 Elsene

Names & denominations

MAINSYS GROUP

Enterprise type

Rechtspersoon

Legal form

Public limited company

Legal situation

Normale toestand

Start date

29 November 1995

Peppol

Active · Active since 24 Sept 2025

Activities · NACE

Computeradviesbureaus

Activiteiten op het gebied van computerconsultancy en beheer van computerfaciliteiten

Computerconsultancy-activiteiten

Computerinfrastructuur, gegevensverwerking, hosting en aanverwante activiteiten

Gegevensverwerking

Gegevensverwerking, webhosting en aanverwante activiteiten

View on CBE Public ↗ Annual accounts (NBB) ↗

MAINSYS GROUP

Financials

What happened to MAINSYS GROUP?

Management

Directors

Shareholders

Participations

Establishments

Establishment units

Details

Frequently asked questions