Active · per the CBE, 17 September 2026
Lieutenant Guillaume logo

Lieutenant Guillaume

BE0454784696

Rechtspersoon Private limited company 3 establishments

Lieutenant Guillaume is an accounting firm in Oudergem. Private Limited, started on 16 March 1995, 3 establishments.

Herrmann-Debrouxlaan 40-42, 1160 Oudergem lieutenantguillaume.be

Behind the company: Nicolas DARDENNE, Olivier Guillaume.

Active for

31 year, 6 months

Warning lights

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

  • Figures corrected NBB

    Corrected annual account filed for 2021.

  • Busy address KBO

    57 other companies have their registered office at the same address; threshold 10.

Financials

Financial year 2024

Lieutenant Guillaume from Oudergem, company number BE0454784696, closed financial year 2024 with a result of € -14,583 after tax. For that financial year Lieutenant Guillaume recorded a gross margin of € 643,418 and equity of € 27,225. Compared with financial year 2023, the result moved from € 336 to € -14,583. 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 December 17, 2025.

What it is worth Healthy

€ 27,225

▼ 35% vs 2023

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

Loss Caution

€ -14,583

▼ still € 336 profit in 2023

Profit after tax over the fiscal year.

Cash in the bank

€ 34,502

▲ 66% vs 2023

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 € 8,633.

People and assets in 2024

Full-time equivalents

7.1

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

Wage cost

€ 504,768

▼ 1% vs 2023

€ 71,100 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

€ 11,866

▼ 3% vs 2023

Book value of vehicles, furniture and equipment.

Debts at end 2024

Bank debt ≈ 2 years to go

€ 183,932

▼ 17% vs 2023

€ 96,199 is repaid this year. At this pace the long-term loan is gone in ≈ 2 years.

Owed to suppliers

€ 107,450

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

Taxes and wages

€ 109,861

▲ 19% vs 2023

Taxes, VAT and social contributions still to pay.

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Key figures per fiscal year Download key figures (CSV)
2021202220232024Change 2023 → 2024
Gross margin € 424,394 € 590,571 € 659,991 € 643,418 ▼ 3%
Profit after taxes € 516 € 22,509 € 336 € -14,583 ▼ € 14,918
Equity € 18,963 € 41,472 € 41,808 € 27,225 ▼ 35%
Total debts € 371,200 € 434,995 € 480,338 € 488,257 ▲ 2%
Cash € 4,186 € 30,225 € 20,747 € 34,502 ▲ 66%
Retained profit € 371 € 22,880 € 23,216 € 8,633 ▼ 63%
Bank debt € 117,323 € 241,830 € 220,356 € 183,932 ▼ 17%
Balance sheet total € 390,164 € 476,467 € 522,146 € 515,482 ▼ 1%
Employees (FTE) - 7.8 - 7.1

Key figures of Lieutenant Guillaume, fiscal years 2021 to 2024, from the annual accounts filed with the National Bank of Belgium.The annual account for fiscal year 2025 has not been filed yet; it was expected before 31 July 2026.

What happened to Lieutenant Guillaume?

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

  • New annual accounts for financial year 2024: loss of € 14,583 (▼ € 14,918 vs 2023). filed late Source: NBB ↗
  • Quentin Hanssens stepped down as director. NBB
  • New establishment in Oudergem. KBO
  • Nicolas DARDENNE became a director. NBB
  • Olivier Guillaume became a director. NBB
  • New establishment in Ukkel. KBO
  • New establishment in Vorst. KBO
  • Start of the company according to the CBE. KBO

In short

From € 516 profit in 2021 to € 14,583 loss in 2024.

Paid € 20,981 in corporate taxes since 2021.

Best year ever: 2022, with € 22,509 profit.

On average € 90,600 of value added per employee in 2024.

Management

Nicolas DARDENNE Olivier Guillaume
Lieutenant Guillaume

Behind Lieutenant Guillaume are Nicolas DARDENNE and Olivier Guillaume. Nicolas DARDENNE is also behind NDA CONSULT and NJC Food & Retail. Olivier Guillaume is also behind Han Solo.

See the full network in the app

Directors

According to the 2024 annual accounts

Nicolas DARDENNE

Director

Also active at: NDA CONSULT, NJC Food & Retail

since 2023

Olivier Guillaume

Managing director

Also active at: Han Solo

since 2023

Quentin Hanssens

Director

· until 2025

Establishments

Establishment units

Physical locations of this company

Registered office

Herrmann-Debrouxlaan 40-42

1160 Oudergem

2.266.191.895

K.M.-Hendrikalaan 29

1190 Vorst

Active since 1 May 2017

2.308.307.119

Homborchveldlaan 64

1180 Ukkel

Active since 1 September 2020

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

Website

Technologies

Adobe FontsApacheBootstrapComplianzContact Form 7Font AwesomeGSAPGoogle FontsGoogle Tag ManagerPHPVimeoWPBakeryWordPressYouTube EmbedjQueryjQuery UIreCAPTCHA

Hosting & Email

Hosting

INFOMANIAK-AS, CH

DNS

OVH DNS

Website info

HTTPS Ja
Indexable pages 28
Languages FR

Features

Blog Ads Contact page

Security

HTTPS
SPF
DMARC

Network

IPv6

Details

Company number
0454.784.696
VAT number
BE 0454.784.696
Registered office
Herrmann-Debrouxlaan 40-42, 1160 Oudergem
Names & denominations
Lieutenant Guillaume
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
16 March 1995
Peppol
Active · Active since 8 Apr 2025
Activities · NACE

Activiteiten van (gecertificeerde) (fiscaal) accountants

Boekhouders en boekhouders-fiscalisten

Frequently asked questions

What does Lieutenant Guillaume do?
Lieutenant Guillaume is an accounting firm in Oudergem. Private Limited, started on 16 March 1995, 3 establishments.
What is the address of Lieutenant Guillaume?
The registered office of Lieutenant Guillaume is located at Herrmann-Debrouxlaan 40-42, 1160 Oudergem.
Is Lieutenant Guillaume still active?
Yes. According to the CBE (17 September 2026) Lieutenant Guillaume is active, legal situation “Normale toestand”, started on 16 March 1995.
Is Lieutenant Guillaume registered on Peppol?
Yes, Lieutenant Guillaume is registered on the Peppol network with ID 0208:0454784696.
What is the enterprise number of Lieutenant Guillaume?
The enterprise number of Lieutenant Guillaume is BE0454784696.
When was Lieutenant Guillaume founded?
Lieutenant Guillaume was founded on 16 March 1995.