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Our Professional Services

Complete Support forYour Business

Two essential services for your success: professional domiciliation and company formation. Personalised support at every step of your project.

2000+
Companies supported
84%
Satisfaction rate
48h
Average processing time
15+
Years of experience
Our Services

Two Key Solutions for Your Business

Whether you want to domicile your company or set up a new one, we support you with expertise and professionalism.

Company Domiciliation

A prestigious professional address for your company, whether for a new creation or a registered office transfer.

Our solutions:

New company

Domiciliation from day one

Office transfer

Simplified address change

Mail management

Reception and forwarding

Legal compliance

Belgian legislation compliant

From €49/month
Most requested service

Company Formation

Complete support for setting up your company in Belgium. We handle all administrative and legal formalities.

Legal forms:

SRL (Private Limited Company)

The most common form

ASBL (Non-Profit Association)

For non-profit projects

SNC (General Partnership)

Commercial partnership

Other legal forms

SA, Cooperative, etc.

From €299
All inclusive
Our Approach

A Simple and Efficient Process

From the first consultation to the finalisation of your project, we support you at every step with professionalism.

01

Consultation

Analysis of your needs and personalised advice on the best solution for your project.

02

Quote & Contract

Detailed proposal and signing of the service contract tailored to your needs.

03

Formalities

Complete handling of administrative and legal procedures by our team.

04

Finalisation

Delivery of official documents and activation of all your services.

Our Advantages

Why Choose MonSiegeSocial?

More than a service provider, we are your trusted partner for the success of your business.

Fast execution

Short turnaround times and deadline compliance. Your file processed within 48 hours.

48h maximum

Legal expertise

Team of specialists in corporate law and company domiciliation.

15+ years experience

Personalised support

A dedicated contact person for your project. Advice tailored to your specific situation.

Personal follow-up

Prime location

Prestigious address in the heart of Brussels, European capital.

Brussels city centre

Customer support

Team available to answer all your questions and support you.

Responsive support

Transparent pricing

Clear and competitive rates. No hidden fees, free detailed quote.

Transparent prices
Frequently Asked Questions

Everything you need to know

Answers to the most common questions about our services

Ready to get started?

Launch your project today

Free consultation to assess your needs and propose the most suitable solution for your situation.