How do public tenders work in Belgium?

Law and buyers

The legal basis is the Wet van 17 juni 2016 inzake overheidsopdrachten / Loi du 17 juin 2016 relative aux marchés publics, which transposes Directives 2014/24 and 2014/25, together with the royal decree on award procedures (KB Plaatsing / AR Passation of 18 April 2017), the royal decree on general implementing rules of 14 January 2013 and the Act of 17 June 2013 on remedies. Buyers include the federal government, the regions (Flanders, Wallonia, Brussels-Capital) and communities, provinces, municipalities, public centres for social welfare, police zones, intermunicipal companies and utilities. Several authorities buy through central purchasing bodies and framework agreements that others can join. The Federal Public Service Policy and Support (FOD BOSA / SPF BOSA) is responsible for procurement policy and runs the e-Procurement platform.[1][4][9][11]

Where tenders are published

Notices are published on e-Procurement (publicprocurement.be), the federal platform that includes the Belgian Bulletin of Tenders (Bulletin der Aanbestedingen / Bulletin des Adjudications); above the EU thresholds they are forwarded to TED. Using the platform is free for bidders: you register as a supplier, add your company and can then download documents and submit bids. Submitting bids electronically is the rule under the Act, with a few exceptions. Many buyers, especially in Wallonia and Brussels, also run procedures on the commercial platform 3P, where the procurement documents and submission may sit. Below the EU thresholds, contracts under the negotiated procedure without publication are not announced at all, so being known to local buyers matters.[1][4][10][12]

Procedures and thresholds

The main procedures are the openbare procedure / procédure ouverte (open), niet-openbare procedure / procédure restreinte (restricted), mededingingsprocedure met onderhandeling / procédure concurrentielle avec négociation, competitive dialogue and innovation partnership. Belgium also has two national procedures. The vereenvoudigde onderhandelingsprocedure met voorafgaande bekendmaking / procédure négociée directe avec publication préalable can be used for supplies and services below the EU threshold and for works below a fixed national amount. The onderhandelingsprocedure zonder voorafgaande bekendmaking / procédure négociée sans publication préalable is allowed below a value set by royal decree, for which the buyer should consult several companies where possible. Very small contracts of limited value may be concluded on an accepted invoice (aanvaarde factuur / facture acceptée).[1][5][11]

Documents and language

Above the EU thresholds you submit the European Single Procurement Document (Uniform Europees Aanbestedingsdocument / DUME). Below them the buyer often relies on an implicit sworn statement (impliciete verklaring op erewoord / déclaration implicite sur l'honneur), meaning that by submitting a bid you declare that no exclusion grounds apply. For Belgian companies the buyer itself checks social security and tax debts through the Telemarc system; foreign companies provide equivalent certificates from their home authorities. For works contracts, a contractor recognition (erkenning / agréation) in the right category and class is often required, or proof that you meet the equivalent conditions. Bids must be in the language of the procurement documents, which depends on where the buyer is located: Dutch in Flanders, French in Wallonia, French or Dutch in Brussels and German in the German-speaking Community.[1][11][13][14]

Deadlines, award and challenges

In an open procedure the minimum period to submit a bid is 35 days from dispatch of the notice, which may be shortened by 5 days for electronic submission. In a restricted procedure candidates get at least 30 days to apply and invited candidates at least 30 days to bid. In the simplified negotiated procedure with prior publication the minimum is 22 days. Shorter periods are possible after a prior information notice or in duly justified urgency. Contracts are awarded on the economically most advantageous tender, which can be the lowest price, the lowest cost or the best price-quality ratio. After the reasoned award decision there is a standstill period of 15 days. Within that period you can ask for suspension under extreme urgency before the Council of State (Raad van State / Conseil d'État) when the buyer is an administrative authority, or before the civil courts in other cases.[6][7][8][11]

How to win a tender in Belgium

Under Article 81 of the Law of 17 June 2016 the contract goes to the economically most advantageous tender, which the buyer defines as lowest price, lowest cost or best price-quality ratio. Price alone is still a permitted criterion, so read the specification (bestek / cahier spécial des charges) to see exactly which award criteria and weightings apply and how quality will be scored. Ask questions in writing within the deadline set in the specification; buyers usually publish the answers to all candidates on e-Procurement, and a change to the documents is announced by a corrigendum that can move the deadline. Belgian procurement is formal: an offer with missing mandatory documents, a deviating price schedule or a wrongly signed deposit can be declared substantially irregular. Abnormal-looking prices trigger a price investigation under Article 84. To know the buyer, look up its earlier notices and award notices in the Bulletin der Aanbestedingen and TED and its policy plans. Write in the language of the documents and answer per criterion with project-specific evidence. After the award you receive the reasoned decision, normally with the award report, and a 15-day standstill period applies; use the report to sharpen your next bid.[7][8][9][10]

1. Read the specification for award criteria, weightings and scoring method first.
2. Check the buyer's past award notices in the Bulletin der Aanbestedingen and TED.
3. Submit written questions before the deadline and track corrigenda on e-Procurement.
4. Fill in the price schedule exactly and be ready to justify unusual prices.
5. Sign and upload the deposit correctly, in the language of the documents.
6. Study the award report and act within the 15-day standstill if needed.

Clarification round: Questions and answers round (vragen en antwoorden / questions et réponses), with any corrigendum

Tips for bidders

Register on publicprocurement.be well before your first submission date and test the submission process, because uploading large files and signing the deposit report can take time. Check whether the buyer uses e-Procurement or 3P for the actual submission. Read the bestek / cahier spécial des charges in full: Belgian tenders often have strict formal requirements, and missing a mandatory document can make your bid irregular. Use the language of the procurement documents for every part of your bid and plan translations early if you work across regions. For works, check in advance whether contractor recognition is required and in which category and class. Ask questions in writing before the deadline set in the documents. Watch the 15-day standstill period if you want to contest an award decision.[6][10][12][14]

Platforms in Belgium

Share of the 12,789 TED notices from 2025 whose documents sit on this platform.

• e-Procurement (BOSA)59.4%

  The federal platform is free for suppliers; register a company account and submit via e-Tendering, practising first in the demo environment if needed.

  How it works →Website

• 3P33.5%

  3P is buyer software; documents sit on cloud.3p.eu, but bids are submitted on the federal e-Procurement platform publicprocurement.be.

  How it works →Website

• EU institutions (own portals)4.7%

  EU institutions and agencies run their own procedures; most use the Funding & Tenders Portal eSubmission, which needs an EU Login account and a PIC.

Frequently asked questions

Sources

1. Wet van 17 juni 2016 inzake overheidsopdrachten (Justel, consolidated)
2. Commission Delegated Regulation (EU) 2025/2152 – thresholds 2026–2027
3. Commission Delegated Regulation (EU) 2025/2150 – utilities thresholds 2026–2027
4. BOSA – publicprocurement.be (e-Procurement)
5. Vlaamse overheid – Onderhandelingsprocedures (threshold 2026–2027)
6. BGHM/SLRB – standstill letter template 2025 (15-day standstill, Wet van 17 juni 2013)
7. Wet van 17 juni 2016 inzake overheidsopdrachten, art. 81 (Codex Vlaanderen)
8. Wet van 17 juni 2013 betreffende de motivering, de informatie en de rechtsmiddelen inzake overheidsopdrachten
9. BOSA – Wetten en KB's overheidsopdrachten
10. BOSA – e-Procurement
11. Koninklijk besluit van 18 april 2017 plaatsing overheidsopdrachten in de klassieke sectoren (Justel)
12. Welkom bij 3P | Software op maat van de publieke sector
13. Telemarc | BOSA
14. Opdrachten van werken | Vlaanderen.be

Checked on 15 October 2026. Made by TenderRender from official sources. Not legal advice: check the notice and documents of each tender.

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