A 10% grant, a 40% tax deduction, a 0% loan: used well, public aid sharply reduces the cost of an investment. But it changes often, has limited budgets, and most of it must be applied for before you commit to the expense. Here are the main Belgian aid schemes in 2026 for businesses, the self-employed, private investors and homeowners.

Rule number one: apply before you buy
Most regional aid requires the application, or at least a request for authorisation, to be submitted before any firm commitment: a signed purchase order, a deposit, the start of works. An invoice paid the day before the application can cost you the whole grant. Before each project, take an hour to check what aid is available.
- IdentifyRegional, federal, European aid
- ApplyBefore any purchase order or deposit
- InvestOn time and in line with the approved file
- ProveInvoices, proof of payment, certificates
- CollectGrant, tax deduction or loan rebate
For businesses and the self-employed
The investment deduction (federal)
Reformed since 1 January 2025, it lets you deduct a percentage of an investment's value from taxable profit, on top of normal depreciation. According to BDO (2026):
- Basic deduction: 10% for SMEs and sole proprietors, 20% for digital assets;
- Thematic deduction (energy, zero-emission mobility, environment, security…): 40% for SMEs and sole proprietors, 30% for large companies in assessment year 2026, then 40%;
- Research and development deduction: 13.5% in one go or 20.5% spread over time, or a tax credit.
Thematic investments appear on official lists and often require a regional certificate, which must be requested within strict deadlines.
In Wallonia
- Investment aid for SMEs: 4 to 18% of the amount invested depending on the type of investment, its objectives and its location, for a programme of at least €100,000, with an authorisation request to be submitted before any commitment.
- Business vouchers (chèques-entreprises): a contribution towards consulting, training or coaching services from approved providers.
- Wallonie Entreprendre: loans, guarantees and equity that complement bank credit.
In Brussels
- Brussels Economy and Employment grants aid for investment, digitalisation and young companies. For lack of budget, several schemes were suspended on 12 August 2026: consulting, external training, recruitment and coworking. Check the situation at the time of your project.
- hub.brussels supports entrepreneurs, and finance&invest.brussels finances companies.
In Flanders
- VLAIO lists Flemish aid in its subsidy database.
- The KMO-portefeuille, which subsidised training and consulting, has been limited to cybersecurity advice since February 2026 and will be abolished from 1 January 2027, according to VLAIO.
- PMV offers loans, guarantees and capital.
At European level
The European Union mainly funds innovation and transition projects: the European Innovation Council (EIC) for tech start-ups, InvestEU through partner banks and funds, and regional funds (ERDF), often distributed by the regions. These programmes are competitive and require strong applications; many companies get help from a specialist consultant.
What does your investment really cost?
Order of magnitude after a grant and the investment deduction, not counting any tax on the grant.
For private investors
Investing in a young company: the tax shelter
According to Wikifin, an individual who subscribes to new shares in a young company, directly or through an approved crowdfunding platform, gets a tax reduction of:
- 30% for a small company under four years old, and 45% for a micro company;
- 25% for a growing company aged four to ten years (scale-up).
The ceiling is €100,000 invested per year and you cannot hold more than 30% of the capital. The shares must be held for a minimum period to keep the benefit. Be careful: the tax reduction does not protect your capital, and many young companies fail. Other countries have similar schemes, such as the UK's EIS and SEIS.
Lending to a small business you know
| Flanders: Winwinlening | Wallonia: Coup de Pouce loan | Brussels: Proxi loan | |
|---|---|---|---|
| Annual tax credit | 2.5% of the average outstanding balance | 2.5% for the whole term, since the 2026 reform | 4% for the first 3 years, then 2.5% |
| Maximum per lender | €75,000 | €75,000 since the reform | €50,000 per year |
| Term | 5 to 10 years | 4, 6, 8 or 10 years | 5 or 8 years |
| If the borrower goes bankrupt | Increased credit under conditions | Credit of 30% of the lost capital under conditions | Guarantee of 30% of the lost capital under conditions |
Sources: Wikifin and the Walloon government press release of August 2026. These loans remain risky: only lend what you could afford to lose. See also crowdfunding and crowdlending, including the interest exemption for loans to young companies.
For homeowners: renovation aid
Renovation aid changed considerably in 2025 and 2026, with a clear trend: fewer grants, more subsidised loans.
- Wallonia: since 1 October 2026, the Habitation grants have been replaced by the Rénopack (a 0% loan with a rebate on the amount to repay, from 15 to 50% depending on income) and the Rénoprêt (a preferential-rate loan, notably for landlords). An energy audit is mandatory and the annual budget is limited.
- Brussels: Renolution grants have been suspended for new applications since 1 January 2025; zero-interest loans have been announced, and the Ecoreno loan remains available.
- Flanders: since 1 March 2026, the Mijn VerbouwPremie has been sharply restricted for higher incomes and investors, except for heat pumps; the Mijn VerbouwLening remains available, at 0% to 1.5% depending on income.
At federal level, 6% VAT applies under conditions to certain works in homes more than ten years old. For a rental investment, this aid changes profitability: include it in your net yield calculation, without making it the only reason to buy.
Exhausted budgets, suspensions, reforms: aid sometimes changes during the year. The figures in this article reflect sources published up to October 2026. Always check the aid's official website on the day you apply.
Mistakes that cost you the aid
- Signing a purchase order or paying a deposit before applying.
- Missing the deadline for a certificate (thematic deduction, energy grant).
- Using an unregistered contractor or an unapproved provider.
- Not keeping evidence: detailed invoices, proof of payment, before-and-after photos.
- Choosing an investment only because it is subsidised: a 20% grant on a bad investment is still a bad investment.
Some intermediaries promise guaranteed subsidies for a high commission paid up front. Regional administrations and VLAIO provide information for free; a serious consultant is paid mainly on success and explains their fees in writing.
In Europe and around the world
Each country has its own tools: France offers Bpifrance and MaPrimeRénov' for homes, the Netherlands deductions such as the Energy Investment Allowance (EIA) for businesses, the United Kingdom the EIS and SEIS schemes for investors in young companies, and the United States federal energy tax credits. Everywhere in the EU, state aid rules limit what governments can grant, and everywhere the same rule applies: find out before you commit to the expense.
Where to find these services
- Wallonia: investment aidThe official procedure for SMEs (French)
- Wallonie EntreprendreLoans, guarantees and the Coup de Pouce loan
- be.brussels: business aidBrussels Region aid (French)
- VLAIOThe Flemish subsidy database
- FPS FinanceFederal tax rules, including the investment deduction
- European Commission: fundingEU funding for businesses
Links provided for information, with no partnership. Always check a provider's terms and authorisation before committing.
Test yourself
4 questions to check what you remember. Click an answer: the explanation appears straight away.
Question 1 of 4What is the most important rule for getting regional investment aid?
A commitment made before the application can cost you the whole grant.
Question 2 of 4What is the thematic investment deduction for an SME in 2026?
The basic deduction is 10% (20% for digital assets); the thematic one is 40% for SMEs.
Question 3 of 4What tax reduction does the tax shelter offer for an investment in a micro company under four years old?
30% for a small company, 45% for a micro company, 25% for a scale-up.
Question 4 of 4What has replaced the Habitation grants in Wallonia since 1 October 2026?
The Rénopack is a 0% loan with an income-based rebate; an audit is mandatory.
Frequently asked questions
What aid exists for investing in a business in Belgium?
The federal investment deduction, regional investment aid (Wallonia, Brussels, Flanders), loans and guarantees from Wallonie Entreprendre, finance&invest.brussels and PMV, and some European programmes for innovation.
What is the start-up tax shelter?
A tax reduction for individuals who subscribe to new shares in a young company: 30% (45% for a micro company), or 25% for a scale-up, up to €100,000 invested per year.
Do renovation grants still exist in 2026?
They have changed a lot: in Wallonia, the Rénopack and Rénoprêt have replaced the Habitation grants since 1 October 2026; in Brussels, Renolution grants are suspended; in Flanders, the Mijn VerbouwPremie has been restricted since March 2026, but the Mijn VerbouwLening remains available.
Do you need a consultant to get subsidies?
Not necessarily: regional administrations and VLAIO provide information for free. For large applications or EU programmes, a consultant can help; prefer success-based fees and a written contract.
Sources
- BDO, Apply now for your investment deduction certificates (2026)
- FEB, tax changes in 2026 (French)
- Wallonie.be, applying for investment aid (SMEs, French)
- L'Avenir, Brussels cuts business aid for lack of budget (August 2026, French)
- VLAIO, the Flemish government decides to end the KMO-portefeuille (October 2026, Dutch)
- Wikifin, tax shelter (French)
- Wikifin, lending to an SME (French)
- Walloon government, Coup de Pouce loan reform (August 2026, PDF, French)
- Certinergie, Rénopack and Rénoprêt from October 2026 (French)
- Energy Protect, Renolution grants abolished (March 2026, French)
- MyRenov, renovation grants in Flanders 2026 (French)
This article is educational and is not personal investment, tax or legal advice. Figures change: check them with the sources cited or a licensed professional before deciding. Read the full disclaimer.