Have you just become self-employed in Belgium, or are you about to take this step?
For most Romanian entrepreneurs, the beginning is confusing: you have the paperwork, you have the motivation... but you don't know exactly what to do next.
The problem is not a lack of information. The problem is the lack of a clear plan.
In the first 30 days you set your direction:
- either you build a business that makes money
- or you stay stuck in administrative chaos
If you are just starting out, first read How to Build a Business Plan on a Single Page to clarify your direction.
In this guide you have a simple and practical checklist, step by step, to start correctly.
The First 30 Days – Overview
For your business to work, you need to cover 3 areas:
a) Administrative
Everything related to documents and legal obligations.
b) Financial
How you manage money and taxes.
c) Marketing
How you attract clients.
If you ignore marketing, the business will not grow.
Days 1–7: Set the Foundation Right
a) Open a business bank account
The first step is to clearly separate business money from personal money. This helps you to:
- have control over your income
- avoid accounting problems
- better understand your cash flow
b) Clarify your VAT situation
To understand how much you actually pay, read the guide Self-Employed Taxes in Belgium 2026 – How Much You Pay and How to Calculate Correctly.
It is essential to know whether you need to charge VAT or not. A wrong choice here can lead to:
- incorrectly calculated taxes
- problems with the authorities
- financial losses
c) Work with an accountant
Many entrepreneurs try to do everything themselves at the beginning. This is one of the most expensive mistakes.
A good accountant:
- helps you pay taxes correctly
- gives you clarity
- protects your business
Days 7–14: Start Working and Invoicing
a) Create a correct invoice template
The invoice must be clear and complete. Include:
- company details
- bank account
- description of services
- amount and taxes
b) Send your first invoices
Don't postpone. If you have worked, you need to invoice. This is the foundation of any business.
c) Organise your documents
From the start, create a simple system for:
- invoices
- expenses
- documents
If you do this correctly from the beginning, you will avoid a lot of stress later.
Want to know how much tax you pay as self-employed?
Use our free calculator and find out in minutes.
Tax Calculator Cash Flow CalculatorDays 14–21: Start Attracting Clients
This is where the difference appears between those who succeed and those who get stuck.
Marketing does not mean advertising. It means helping people solve a problem. Read the complete guide: How to Do Your Own Marketing for Your Business in Belgium.
a) Create your Google profile
It is one of the fastest ways people can find you. It helps you to:
- appear in searches
- be visible in your area
- receive calls directly
b) Create a simple page
It does not need to be complicated. What matters is clarity:
- what you do
- for whom
- how people can contact you
c) Start posting consistently
You don't need perfect content. You need useful content. You can start with:
- your work
- your experience
- answers to frequently asked questions
Content works when it is consistent and relevant.
Days 21–30: First Results
a) Ask for referrals
The first clients come from your close circle. Don't hesitate to ask.
b) Be active in communities
Participate in local groups and be present. Don't try to sell directly. Show how you can help.
c) Keep showing up
Consistency beats perfection. Those who show up consistently are the ones who get chosen.
Most Common Mistakes
- not working with an accountant
- not invoicing correctly
- not doing marketing
- waiting for clients without doing anything
How to Think About Your Business Correctly
A business is not just paperwork. It means creating value.
People don't buy services. They buy results, safety, and trust.
Simple Plan for the First Month
| Week | Focus |
|---|---|
| Week 1 | Administrative basics (bank account, VAT, accountant) |
| Week 2 | Invoicing and document organisation |
| Week 3 | Visibility (Google, webpage, content) |
| Week 4 | Attracting clients (referrals, communities) |
Conclusion
The first 30 days define your direction.
If you do things right:
- you avoid problems
- you save money
- you start attracting clients
If not... you will waste time and energy.
Want more clients?
Read the complete guide on how to do your own marketing in Belgium.
Marketing Guide Add Your Business