A co-shareholder who cannot meet a capital call in a fifty-fifty joint venture faces three routes: challenge the resolution that authorised the issue, bring an inquiry request before the Dutch court that hears such matters, or negotiate a buy-out under the shareholders' agreement. The right choice depends on whether the goal is to reverse the dilution or to exit on fair terms.

What happens if you do nothing

Once the issue is registered and the new shares are paid up, your percentage falls and stays fallen. A Dutch BV's share register is updated on payment, not on your agreement, and a later change of mind does not reopen a completed issue. Silence at this stage is read, in any later dispute, as acceptance of the outcome. The window to argue that the resolution was procedurally or substantively defective narrows every week you leave it unaddressed. If the joint venture agreement gave you a pre-emption right or a consent right over new issues and it was not honoured, that omission is your strongest lever, and it weakens the longer it goes unraised.

The routes

RouteWhat it takesTimeCost driverWhat it gives you
Annulment of the resolution that authorised the issueProof that the procedure, the articles, or the standard of reasonableness and fairness between shareholders was breachedShort: the challenge must be brought promptly after you knew or should have known of the resolutionCourt fees and the scope of documentary evidence you need to gatherA resolution set aside, restoring your prior stake if the issue has not yet been fully implemented
Inquiry proceedings before the Enterprise Chamber (Ondernemingskamer)A reasoned request showing grounds to doubt proper policy or conduct within the joint ventureFaster for interim relief; the full inquiry runs longerCourt fees, the request for immediate measures, and the cost of an appointed investigator if one is orderedImmediate measures that can suspend or unwind the dilutive step, plus a public finding on how the joint venture was run
Negotiated buy-out or restructuring under the shareholders' agreementA funding default or deadlock clause in the agreement, or a willingness on both sides to price an exitWeeks to months, driven by negotiation, not procedureValuation costs and, where used, an independent expert's feeA clean exit or a restructured stake, without a contested court finding on either side

What decides between them

If your objective is to undo the dilution itself, annulment is the only route that reverses the mechanism rather than compensating for it. If the real problem is that your co-shareholder has been running the joint venture in a way that sidelines you and the dilutive issue is one symptom among several, inquiry proceedings put the whole pattern of conduct before the Ondernemingskamer (Enterprise Chamber) and can secure interim protection while the inquiry runs. If neither party wants a public dispute and the funding shortfall is genuinely one-off, a negotiated buy-out under the shareholders' agreement is faster and keeps the relationship, or the exit, on commercial terms. Whether your standing in a fifty-fifty structure to bring an inquiry request depends on the size of the holding you had before dilution, not after it, is a threshold question that must be checked before you file.

The deadline that runs

Under the applicable Dutch rules, a challenge to a shareholders' resolution must be brought promptly once you are or should have been aware of it: this period is short, measured in weeks rather than months, and it runs regardless of whether you were formally notified or found out by other means. A request for immediate measures in inquiry proceedings has no fixed statutory clock but loses force the longer you wait, since urgency is part of what the court weighs. Confirm the current position on any specific period before you rely on it, since this is exactly the kind of deadline that a co-shareholder's counsel will test first.

Evidence to secure now

Preserve the shareholders' agreement, the articles of association, and every notice or minute connected to the capital call and the issue, before positions harden and documents become harder to obtain informally. Record the sequence of events in writing while it is fresh: who proposed the call, on what notice, and what response you gave or attempted to give. If you believe the timing or the terms of the call were engineered to dilute you rather than to meet a genuine funding need, gather anything showing the joint venture's actual cash position at the time, since that goes directly to whether the call was necessary. A structure report at this point sets out the current shareholding and filing history from the Dutch commercial register, which is the baseline against which any later challenge is measured.

Cost drivers

Court fees for both an annulment claim and an inquiry request are fixed by the court's own scale and do not vary with the value of the joint venture. What varies is the volume of evidence: a dispute resting on a handful of documents is materially cheaper to run than one requiring expert valuation of the diluted stake or a forensic reconstruction of the funding call. In inquiry proceedings, an appointed investigator's costs are a further variable, set by the court and not negotiable between the parties. A negotiated buy-out avoids court fees entirely but shifts the cost into valuation work, which is proportionate to how far apart the parties start.

What we would do in the first week

Secure the shareholders' agreement, the articles, and the paper trail on the capital call before anything else, since a week's delay against a short challenge period is a week you do not get back. Establish, from the commercial register, exactly what has been filed and when, since a discrepancy between what was agreed and what was registered is often the fastest route to a challenge. Take a considered view on whether the goal is reversal, exit, or a finding on conduct, because that choice fixes which of the three routes you pursue and the other two fall away. Any of these steps can be run in parallel with obtaining Dutch-qualified counsel of record if the matter is heading to court.

What this does not cover

  • This page assumes a Dutch BV; a joint venture structured through a foreign holding company raises different questions on which law and which court applies.
  • It does not address tax consequences of a dilution or of a buy-out, which are separate from the corporate law and governance questions above.
  • It does not cover disputes where the joint venture is not fifty-fifty, since standing and leverage change with the split.
  • It does not cover criminal or regulatory exposure connected to how the capital call was structured.

Questions

Can a fifty-fifty shareholder block a dilutive share issue in a Dutch BV?

Only if the articles or the shareholders' agreement gives a consent or pre-emption right over new issues. Without that right, the general meeting can authorise an issue by the majority the articles require, and a fifty-fifty split does not itself confer a veto unless the constitutional documents say so.

What happens if the shareholders' agreement is silent on funding shortfalls?

Silence does not create a right to dilute freely: the general standard of reasonableness and fairness that governs relations between shareholders in a Dutch company still applies, and a call structured to force out a co-shareholder can be challenged on that basis even without an express clause.

Is dilution alone enough to bring an inquiry request to the Ondernemingskamer (Enterprise Chamber)?

Dilution by itself is rarely sufficient; the court looks for reasonable doubt about proper policy or conduct in the joint venture more broadly. A dilutive issue is commonly cited as one indicator within a wider pattern, alongside points raised in a request for an inquiry into how the joint venture is run.

Author

Charlotte Roos — Tax and structuring. Sanne works on shareholding structures and holding arrangements in Dutch companies, including how a fifty-fifty joint venture is built and where it comes under strain.

Related

A dilution dispute rarely arrives alone. Where the co-shareholder is backed by a foreign parent, the pattern can resemble a guarantee from a foreign parent being called under pressure. Where the joint venture sits under a holding structure with cross-border filings, a structure report on Swedish filings can clarify what is actually registered abroad. Where the dispute later touches an estate or an insolvency, see what happens when a trustee holds a director liable for the deficit with a foreign parent involved.

If the picture is not yet clear, the practical next step is usually the same one described above: get the current shareholding and filing history confirmed through a structure report, which sets out ownership and registered changes without offering a legal opinion on your dispute.

Last legal review: 2026-10-06