Search and Verify Companies in Brussels: Leverage the BCE Database

In brief

Brussels concentrates over 120,000 active enterprises, representing approximately 18% of all Belgian companies. With the Company Belgium API, you can search and verify any Brussels-based company by name, BCE number, or NACE code in seconds, using official Crossroads Bank for Enterprises data.

Brussels: The Economic Heart of Belgium

With over 120,000 registered enterprises in the Crossroads Bank for Enterprises (BCE/KBO), the Brussels-Capital Region is by far the most economically dense region in the country. The Belgian capital hosts the headquarters of numerous European institutions, hundreds of international organizations, and a particularly diverse fabric of SMEs.

Key sectors of the Brussels economy include:

• Finance and insurance: banks, fintechs, asset management firms

• Consulting and business services: management consultancies, law firms, fiduciaries

• Information technology: startups, software publishers, system integrators

• European and international institutions: lobbying, public affairs, NGOs

For any professional working with Brussels-based partners, suppliers, or clients, having fast and reliable access to company data is not a luxury — it is a necessity. Our guide on what the BCE/KBO is explains the foundations of the Belgian business register.

Why Verify Brussels-Based Companies?

The density of the Brussels business landscape is both an opportunity and a challenge. How do you distinguish a reliable company from a shell entity? How do you ensure that your new business partner is properly registered and active in the BCE?

Here are concrete use cases:

1. Supplier Verification (KYC/AML)

Brussels financial institutions are subject to strict Know Your Customer (KYC) and Anti-Money Laundering (AML) obligations. Verifying the legal existence, enterprise number, and active status of a partner is a mandatory step. Our article on automated KYC verification via the API shows how to integrate these checks into your workflows.

2. Targeted B2B Prospection

Looking for management consulting firms in Brussels? Cybersecurity companies in the region? With search by NACE code and location, you can precisely target your audience.

3. Due Diligence Before a Partnership

Before signing a contract with a Brussels-based company, verify its legal form, creation date, official address, and declared activities.

How to Use the Company Belgium API for Brussels

The Company Belgium API gives you access to official BCE data through a simple, high-performance REST interface. Here is how to search for Brussels companies:

Search by Name

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GET /api/v1/companies?name=fintech&city=bruxelles

This request returns all companies whose name contains "fintech" and whose registered office is in Brussels. You get the BCE number, full name, legal form, address, and NACE codes.

Search by BCE Number

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GET /api/v1/companies/0123.456.789

Have an enterprise number? Instantly retrieve all registered information: active or struck-off status, registered office address, activities, creation date.

Search by NACE Code and City

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GET /api/v1/companies?nace=62010&city=bruxelles

NACE code 62010 corresponds to computer programming. This request gives you a list of all active IT companies in Brussels — a powerful tool for B2B prospection.

Data Available for Each Company

For each Brussels-based company, the API returns:

• BCE number (official enterprise number)

• Name in French and Dutch

• Legal form (SA/NV, SRL/BV, ASBL/VZW, etc.)

• Registered office address

• NACE codes (primary and secondary activities)

• Status (active, struck off, in liquidation)

• Creation date and, where applicable, strike-off date

This data comes directly from the Crossroads Bank for Enterprises and is updated regularly.

Practical Example: Verifying a Brussels Supplier

Imagine you are a consulting firm in Antwerp and a new Brussels-based supplier is offering their services. Here is your workflow:

In a few seconds, you have a factual, documented verification.

Brussels in Numbers

Brussels concentrates approximately 18% of all Belgian enterprises, making it the most important market in the country for prospection and verification. For a national perspective, explore companies in Flanders or read the Belgian company statistics for 2026.

Why Choose Company Belgium?

• Official BCE data: no approximations, only data from the Crossroads Bank for Enterprises

• High-performance REST API: simple integration into your existing tools (CRM, ERP, compliance tools)

• Multi-criteria search: by name, BCE number, NACE code, city, legal form

• Regular updates: data reflects the latest BCE publications

• Trilingual interface: French, Dutch, and English

Get Started Today

Whether you are a financial institution subject to KYC obligations, a B2B prospection agency, or simply an entrepreneur who wants to verify their partners, Company Belgium is the tool you need.

Create your free account and start querying the Brussels BCE database right now:

Sign up on Company Belgium