Has your bank account been blocked in Belgium?

Having your bank account blocked in Belgium—with no access to your money, account, or online banking—can seriously complicate everyday activities and payment operations, both for individuals and businesses. In most cases, it’s not easy to understand why the bank has restricted access to your account, how long the situation will last, or what steps to take to recover your funds.

In this guide, we’ll explain the most common situations that lead to a bank account being blocked in Belgium, the typical timeframes involved, and the possible legal and practical steps to unblock it. Our goal is to make clear the causes, solutions, available procedures to recover your money, and preventive measures to avoid future issues.

What does “blocked account” mean?

When we talk about a “blocked account,” we mean that you can no longer use your money normally. This can include being unable to make payments, withdraw cash, send transfers, receive deposits, or even access online banking. However, not all account freezes are the same. Some are initiated by the bank itself, others by the authorities, and some arise from judicial procedures such as a seizure. Understanding which situation applies is the first step toward resolving the problem.

Bank blocking, seizure, or asset freezing

There are differences between a bank block, a seizure (saisie-arrêt), and an asset freeze. A bank block is a measure taken by the bank itself for internal reasons. It often relates to compliance checks, documentation requests (for instance, to verify the source of funds), or security measures.

A seizure (saisie-arrêt), on the other hand, occurs when the bank receives a formal order to restrict access to a specific amount or to freeze the entire account—typically due to debts owed to a creditor or third party. In this case, the bank does not act on its own initiative; it must execute the order based on an enforceable title. The appropriate response is therefore different. You may need to challenge the seizure or pursue legal remedies to release the funds.

Finally, asset freezes are connected to sanctions or decisions made by national or international authorities. These measures are normally stricter and subject to detailed regulations and specific obligations. As not all account blocks follow the same procedure, choosing the best strategy depends on the particular case. Some require administrative action first, while others must be resolved through legal channels.

Most common causes of account blocking in Belgium

While there are many possible reasons for a bank account to be blocked, they generally fall into four main categories in Belgium.

AML/KYC controls

Banks in Belgium are legally required to verify the origin of funds and the identity of their clients. This process is known as KYC (Know Your Customer) checks. If information appears inconsistent or certain documents are missing, the bank may temporarily or permanently restrict access to the account. This often happens when there are sudden high-value transfers, unusual international transactions (especially from or to high-risk or uncommon jurisdictions), or when a personal account is used for business-related activities.

Seizure or enforcement by a creditor or the administration (saisie-arrêt)

In this situation, the process is initiated by a third party—a creditor, for example, due to unpaid rent, tax debts, or fines—who obtains an order to seize funds. The bank must then execute the order and withhold the specified amount.

💡 Tip: These cases require a different approach and should usually be handled from a legal or judicial perspective.

Sanctions and asset freezing

Though less common, this is the most restrictive type of account block. It usually arises from international sanctions targeting specific individuals, companies, or institutions included in official lists approved by governments or international bodies such as the European Commission or the United Nations. In these cases, the result is often a complete freeze with very limited discretion for the bank—for example, sanctions related to countries at war or involved in geopolitical tensions.

Suspicion of fraud or security alerts (phishing)

Banks may also temporarily freeze accounts as a preventive measure when they suspect an unauthorized access attempt, unusual withdrawals, suspicious card activity, or irregular transactions. In cases of phishing or credential theft, banks typically request verification of account ownership, documentation for the affected operations, or a reset of login credentials.

For further details on this topic, see our related guides on online scams, crypto fraud, and how to respond to a scam.

Solutions to unblock a bank account in Belgium

In this section, we explain the main solutions available, their purpose, and how they work in practice to help you achieve your goal.

Mise en demeure (formal notice) to the Bank

A mise en demeure is essentially a formal written notice (similar to a registered letter with acknowledgment of receipt) sent to the bank. It is the first step to formally state the situation, outline the issue, and request specific action within a defined timeframe.

A mise en demeure typically includes the facts (for example, since when the account has been blocked), a request for information about the reason for the block, and the necessary supporting documents. It must also specify a clear request—such as unblocking the account, clarification of the situation, or details about required documentation. The notice should also state that if the bank fails to respond or refuses, further action will be taken through mediation or legal proceedings.

This step forces the bank to take an official position and leaves a written record. For more details, see our guide on formal notification in Belgium.

Internal complaint to the Bank

The next step is to file an internal complaint with the bank. Under Belgian law, all banks must have an in-house complaints service, and clients are required to exhaust this channel before turning to mediation or supervisory authorities.

The complaint can usually be submitted by email or via an online form. It should include a clear timeline (dates and events), previous interactions with the bank, any documentation provided, a copy of the mise en demeure, and an explanation of the harm caused. It’s advisable to ask for a case number or reference to track the progress of your complaint.

Financial mediation through Ombudsfin

Before going to court, there is an intermediate route: financial mediation through Ombudsfin. This is an independent financial mediation service based in Belgium that helps resolve disputes between consumers and financial institutions. It is not a court but acts as a neutral mediator that listens to both sides and proposes a fair solution.

💡 Important: To use this service, you must first have filed a formal complaint with your bank.

Ombudsfin’s role is to review the case independently and issue a recommendation. Although this recommendation is not legally binding, banks often comply with it in practice to avoid reputational or regulatory problems.

Banking supervisory authorities

In Belgium, two main authorities oversee financial institutions: the National Bank of Belgium (Banque Nationale de Belgique) and the FSMA (Financial Services and Markets Authority). The National Bank primarily handles prudential supervision, ensuring that banks and financial institutions meet their obligations. The FSMA focuses on market and conduct supervision, making sure that financial products and services offered to the public are clear, fair, and transparent.

Judicial proceedings

Finally, it is possible to bring the matter before a court, which will examine the case and issue a decision. The objective here is to obtain a ruling that compels the bank to release the blocked funds, restore access to the account, or pay compensation for damages. Before taking this route, it is strongly recommended to consult a specialized law firm to evaluate the available options. In some cases—depending on urgency and potential irreversible consequences—judicial proceedings might even be the best first option to consider.

Judicial summary proceedings (référé) in Belgium

“Référé” refers to an urgent legal procedure before the competent court in Belgium (either the Court of First Instance or the Business Court, depending on the case) to obtain provisional or protective measures when waiting for a full trial and judgment would cause direct harm to the applicant. The key elements are demonstrating urgency and proving serious and immediate damage.

This type of procedure is especially important, for example, when a bank account blockage prevents the payment of basic expenses (rent, living costs, salaries, utilities), and an immediate measure is needed to allow payments or release part of the balance. It is also relevant when the blockage prevents a critical payment to a creditor within a strict deadline that has legal consequences.

In disputes related to seizures or enforcement (for example, the scope of the seizure, excessive amounts, or third-party impacts), where a judge needs to intervene quickly, the court can rule under this urgent procedure. In practice, the procedure focuses on proving urgency (current or imminent harm if no quick measure is adopted) and the appearance of rights, meaning that the claim has a prima facie legal basis. This way, the judge does not decide on the merits of the case, but orders a provisional and proportionate measure. The process is handled as an accelerated procedure, with shortened timelines and a relatively quick hearing (depending on the court’s workload and the urgency demonstrated).

When the block occurs in Neobank or Fintech accounts

Account blocks involving neobanks or fintech platforms—such as services that operate entirely through apps, offer virtual cards, and manage multi-currency accounts—have become increasingly common. This is mainly because these institutions rely on algorithms and automated risk models, making their systems more reactive than those of traditional banks.

What distinguishes a neobank from a traditional bank?

Depending on their legal status, some neobanks hold a full banking license and operate much like traditional banks. Others, however, are classed as Electronic Money Institutions (EMIs) and follow a different set of rules. This distinction matters because it affects key aspects such as deposit protection, supervisory authority, and the appropriate complaint or appeal mechanisms. For this reason, before submitting a claim, it is important to verify what type of institution you are dealing with and in which country it is licensed.

Why are neobank or fintech accounts more vulnerable to blocks?

Neobanks often use automated KYC (Know Your Customer) and risk assessment systems that are highly sensitive to specific transaction patterns. Since these institutions aim to reduce regulatory and financial risks, they tend to act quickly at the first sign of irregular or suspicious activity. For more information, see our article on Regulatory Law in the European Union.

How can you file a complaint in these cases?

This is often the most confusing aspect. As a general rule—though there are exceptions—the competent authority is the one in the country where the financial institution is registered.

For example, a neobank licensed in Germany falls under the supervision of the German financial regulator.

However, many neobanks now operate through subsidiaries or branches across several EU countries. If the person or company affected is located in a different Member State from where the neobank is registered, it may still be possible to file a complaint in the country where the account is held. Therefore, it is essential to identify the correct complaint channel and the competent jurisdiction. Depending on the case, this can involve an internal complaint through the neobank’s customer service, financial mediation, a supervisory authority, or judicial proceedings.

When the block affects a company

Bank account blocks can also occur in the case of companies, associations, foundations, organizations, and self-employed professionals. When this happens, the consequences can be more severe, as the effects extend to suppliers, employees, tax obligations, and ultimately the normal functioning of business operations.

Impact of the block on the company (suppliers, salaries, and tax obligations)

A business account block has immediate and tangible effects. The first impact is usually on supplier payments. Invoices start to accumulate, late payment interest may apply, and in certain sectors—such as transport, logistics, or hospitality—supplies can be disrupted very quickly. Moreover, if the block takes place around payroll dates, the company risks salary payment delays, labour disputes, or even administrative penalties in some cases.

The situation also affects fiscal and social security obligations. Payments such as VAT, withholding taxes, or contributions to social security funds are all subject to specific deadlines. When a business cannot make these payments on time, it may face surcharges, fines, or late submissions. For these reasons, a blocked corporate or institutional account can directly endanger business continuity.

What to do if you are a Director or UBO

Company directors, authorized representatives (mandataires), and UBOs—Ultimate Beneficial Owners—play a crucial role in the unblocking process, as they are directly linked to regulatory compliance. It is essential for them to act in an organized and transparent way. The key is to clarify the company’s structure, explain the nature of its activities, and provide all requested documentation promptly. If there are multiple UBOs, it is advisable to prepare relevant documentation in advance—identity details, ownership percentages, and residence information—so that the bank can process the verification efficiently.

Common issues in International structures

When a company has an international structure, account blocks often trigger additional questions about intra-group transactions and transfers between related entities. The most common situations include intra-group invoicing, where one company charges another within the same corporate group; intercompany loans, used to fund subsidiaries or projects; and transfer pricing issues, which require proper documentation of the prices applied to internal transactions.

Payments from countries outside the European Economic Area (EEA)

The regulatory framework becomes stricter whenever cross-border transactions involve non-EU jurisdictions. Therefore, companies operating internationally should prepare complete intra-group contracts, organizational charts, and a clear explanation of their business model. This documentation helps anticipate and respond effectively to any compliance requests from banks or authorities.

What to do if the bank terminates the relationship

There are cases where a bank decides to end the relationship and close the account altogether. This situation requires quick action, as the deadlines involved are often short. When a bank terminates its relationship with a client, it is usually due to compliance-related reasons, missing documentation, activities considered risky, account inactivity, or a change in the customer’s financial profile. In some instances, the termination may simply result from a commercial decision by the bank—though this happens less frequently. In most cases, such termination does not imply that the client has committed any wrongdoing or legal infraction.

Review the notice, deadlines, and conditions

Generally, the bank provides a specific timeframe to close the account or transfer the remaining funds under defined conditions, such as withdrawing the balance, cancelling direct debits, or returning bank cards. The notice will typically include detailed instructions on how to transfer the remaining amount. Deadlines can vary considerably between institutions—sometimes several weeks, other times just a few days—so it is important to act promptly.

Formal explanation and basic banking services

In certain situations, the bank is not obliged to explain its decision in detail, particularly when the closure is based on AML/KYC requirements or internal risk assessments. Nevertheless, it is advisable to request a formal explanation in writing to better understand the reasons and evaluate possible next steps.

In parallel, it is important to open another bank account in Belgium or apply for basic banking services to maintain financial continuity. This ensures you can continue receiving income and making essential payments. If the closed account was used for salary deposits, professional activities, or recurring payments such as rent, insurance, or utilities, immediate action should be taken to update payment details, inform clients or suppliers, and review any tax or VAT withholdings in the case of a business. Acting quickly helps minimize disruption and ensures compliance with ongoing financial and administrative obligations.

Documentation to prepare

Before taking any action—whether filing an internal complaint, initiating mediation, or pursuing legal proceedings—it is recommended to prepare a complete dossier containing all relevant evidence. In practical terms, this means being able to show, in chronological order, when the account was blocked, what communications took place, which documents were provided, and what the resulting consequences were.

💡 Tip: Keep all correspondence carefully—especially emails, information requests, and messages exchanged through online banking.

The bank may request supporting documents such as proof of identity, address, income, source of funds, employment contracts, invoices, or bank statements. If the case involves business activity, international transactions, or crypto assets, the bank will usually ask for more detailed information.

How to recover the account and reduce the risk

Recovering a blocked bank account in Belgium requires identifying the cause and choosing the right solution. Each case is unique and calls for a detailed assessment of the specific circumstances. If your bank account has been blocked—or if the bank has cancelled the relationship—contact us for assistance. We can help you communicate with the bank, liaise with the relevant authorities, or take judicial action when necessary.

Our firm is also specialized in cross-border cases, including international transactions, corporate structures, investments, or seizures involving multiple jurisdictions.

If you need support, we can analyze your case in detail. You can contact us by email at info@arthurmarin.com or by phone at +32 465 345 345.

Our goal is to help you regain access to your funds in a smooth and stress-free procedure. The sooner you reach out, the more options there are to resolve the situation.