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· 4 min read · eurobillr team

Belgium · freelance tax 2026 — what you can (and can't) deduct

From the 50% restaurant rule to the 13.7% forfaitaire trick most accountants miss: a practical 2026 deductibles guide for Belgian zelfstandigen and indépendants.

Belgium · freelance tax 2026 — what you can (and can't) deduct

Belgian tax law lets a zelfstandige / indépendant deduct an unusually broad set of costs — but only if they're documented the way the FOD / SPF expects. Below is the 2026 version of our deductibles cheat-sheet, sized for one cup of coffee.

The two numbers that matter

INASTI / RSVZ social contributions ........  ~ 20.5%
                                              of net professional income,
                                              capped around 105,730 € (2025)

Federal IPP / PB brackets (income year 2025):
   0  –  15,820 €  →  25%
  15,820  –  27,920 €  →  40%
  27,920  –  48,320 €  →  45%
  > 48,320 €            →  50%

INASTI is paid quarterly, deductible from your professional income before income tax kicks in. The income tax brackets above sit on top of that, with the federal belastingvrije som (~ €10,910 for 2025) shielding the first slice.

What's fully deductible

  • Office rent / coworking — 100%. Keep the contract on file.
  • Werkruimte at home — pro-rata of rent, electricity, water, gas,

internet. The tax office accepts a surface-based split (m² used professionally / total m²) or an hour-based split when the room is mixed-use.

  • Hardware & software — laptops, monitors, SaaS subscriptions.

Items > €1,000 (excl. VAT) must be depreciated; below that you can deduct in full the year of purchase.

  • Training, books, conferences — 100% if linked to your activity.
  • Beroepsaansprakelijkheidsverzekering (professional liability)

— 100%.

  • VAPZ / PCLI (free supplementary pension for the self-employed) —

the gold-standard deduction. Up to ~€3,965 in 2025, fully deductible from professional income, no INASTI either. If you're not contributing to one, this is the single biggest hole in your tax setup.

  • Bank charges on the professional account — 100%.

The 50% restaurant rule

Business meals (client lunches, supplier dinners) are 50% deductible in Belgium — same fraction in Wallonia, Flanders and Brussels. That's better than the German 70% misperception you'll see online; the Belgian rule is consistent with French réel BNC at 50%.

The flip side: catering at your own office for a working session is 100% deductible. The distinction matters — a sandwich tray ordered to your office for a 6-hour client workshop fully deducts; the same people eating at the restaurant down the street, only half does.

Vehicle costs in the new regime

Belgium has been phasing out diesel/petrol deductibility since 2023. For 2026, the practical rule is:

| Vehicle type | Deductibility | |---|---| | 100% electric | Up to 100% (declines slightly each tax year) | | Plug-in hybrid (post-2023 contract) | Generally 0% for fuel; depreciation capped | | Diesel/petrol (post-2023 contract) | Capped formula, in practice 40–60% |

If you're shopping for a new professional car in 2026, electric is the only deduction-friendly choice.

What you can NOT deduct

  • Boetes en strafzettel — speeding tickets, parking fines. Never.
  • Suit and "smart casual" wardrobe — even if you swear you only wear

it to client meetings. Workwear means uniform with a permanent logo, or true PPE.

  • Privé-vakantie — even one client call from the beach doesn't make

the trip deductible.

  • Daily commute to your hoofdkantoor — personal use.
  • Geschenken > €50 per recipient — the bracket above the threshold

is fully non-deductible (not partially).

The 13.7% forfaitaire trick

If you don't want to track real expenses, Belgium offers an automatic forfaitaire kostenaftrek of around 30% of the first slice of professional income, capped at €5,520 (2025). Most freelancers under ~€18,000 of declared income are better off claiming the forfait; everyone else should track real expenses, because realistic deductions exceed the cap quickly once you have an office, hardware and a phone.

Two pitfalls that cost real money

Forgetting VAPZ. A €4,000 VAPZ contribution saves you ~50% in income tax + ~20% in INASTI = roughly €2,800 net. Not contributing because "I'll save it myself" is a €2,800/year self-imposed tax.

Late VAT submissions. Belgian BTW / TVA is monthly above €2.5M revenue, quarterly otherwise. Late filings start at €100 and the FOD re-classifies you as a "high-risk" filer fast — once on the list, audit probability goes up materially for years.

Bonus for 2026: PEPPOL is mandatory

From 1 January 2026, B2B invoices in Belgium must travel through the PEPPOL network. That isn't a deduction, but it's the single most important compliance change of the year — and a big chunk of inbound expense capture (vendor invoices) becomes automatic, which means more deductibles end up correctly booked. Our PEPPOL participant lookup tells you whether your top suppliers are already reachable; the eurobillr platform handles inbound

  • outbound out of the box.

Action items

  1. If you haven't set up a VAPZ, fix that before December — it's

the highest-yield deduction available to a Belgian zelfstandige.

  1. Pull your last 12 months of professional bank charges and software

subscriptions; most freelancers under-claim ~€600/year here.

  1. Switch your professional phone bill to a **70% business / 30%

private** split (or document a higher share if it's accurate).

  1. Run your numbers through our [tax

calculator](/tools/tax-calculator) under "Belgium · self-employed" to see how INASTI + IPP combine on your real revenue.

  1. Make sure you (and your top suppliers) are PEPPOL-registered for the

2026 mandate — check via the participant lookup.


General information for Belgian zelfstandigen / indépendants, not legal or tax advice. Rates, thresholds and the VAPZ cap reflect FOD / SPF 2025 figures used for the 2026 filing — check financien.belgium.be or your accountant for the latest. Run your real numbers through the free tax calculator.

Written by eurobillr team. Have feedback? Reply to any release email.