Prenuptial Agreement Before the Wedding in Vienna:
What Couples Should Know

August 17, 2026
Author: Nagler Law Firm

Summer is wedding season—and thus the time when many couples first begin to consider the topic of prenuptial agreements. A prenuptial agreement is not a sign of mistrust, but rather a practical arrangement that prevents disputes before they arise. Those who carefully draft one before the wedding can settle issues regarding assets, distribution and protection, as long as both parties can discuss it calmly.

This article explains what a prenuptial agreement in Austria can cover, who might benefit from one, and what’s important to consider when drafting it.

Table of Contents

Quick Overview: What a Prenuptial Agreement Provides

A prenuptial agreement sets out in advance what will apply in the event of a separation or divorce—particularly with regard to assets and their division. This provides certainty for planning. Whether it makes sense depends on each individual’s life situation.

Above all, three points are crucial:

  • Assess your own financial and life situation
  • Realistically Assess the Need for Regulation
  • Choose a balanced design

 

The basic principle is this: first clarify the starting point, then establish the appropriate rules. An agreement reached in this way will stand the test of time.

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What can a prenuptial agreement cover?

The points that really count in practice

In Austria, a prenuptial agreement can primarily address the financial consequences of marriage. It is advisable to include provisions that specifically address the following issues:

  • How should the assets be divided in the event of a divorce?
  • How are assets contributed via , inheritances, and gifts handled?
  • What are the rules regarding the marital home and jointly owned real estate?
  • Should maintenance issues be settled in advance?

 

The more precisely these points are outlined in advance, the less room there is for disputes later on.

Drafting a Prenuptial Agreement – We’ll Guide You Every Step of the Way.

The Nagler Law Firm assists you with prenuptial agreements in the areas that matter most in practice: assessing what needs to be addressed, ensuring the agreement is fair, and implementing it in a legally sound manner.

We’ll work with you to determine which arrangements are best suited to your situation, how property and the marital home can be sensibly organized, and how issues related to spousal support should be addressed.

Our goal is to provide clear, discreet, and balanced guidance—to help reach an agreement that is fair to both sides.

Separation of Ownership and Division: The Basic Legal Model

What the Standard Legal Provision Is

Without a prenuptial agreement, each spouse’s property remains separate during the marriage: What each spouse brings into the marriage and acquires during the marriage generally remains their property. In the event of a divorce, however, the marital property and savings are divided equitably in accordance with §§ 81 ff. of the Marriage Act (EheG), regardless of formal ownership. Assets brought into the marriage, inherited, or received as gifts, as well as businesses and, in principle, business shares, are already excluded from this by law.

What a Prenuptial Agreement Can Change

  • Different rules regarding the division of assets
  • Classification, valuation, and treatment of income from assets already exempt under the law, such as businesses or inheritances
  • Supplementary Agreements Regarding Real Estate, Reinvestments, and Value Appreciation

 

Why Design Matters

A balanced, clearly worded provision provides certainty for both parties. Unilateral or unclear agreements, on the other hand, often lead to disputes or do not hold up to scrutiny later on.

Who Can Benefit Most from a Prenuptial Agreement

Not every couple needs a prenuptial agreement. However, in certain situations, it makes a lot of sense—anyone who finds this applies to them should bring up the topic before the wedding.

Typical Situations

  • A partner brings substantial assets or real estate to the relationship
  • A partner is self-employed or runs a business
  • There are expectations arising from inheritances or gifts
  • The partners have very different incomes
  • There are children from previous relationships

 

In such cases, a contractual provision protects both parties from consequences they had not anticipated.

Limitations of the prenuptial agreement:
What Cannot Be Freely Adjusted

Where the scope for creativity ends

There is considerable flexibility, but it is not unlimited. Certain areas are not subject to the spouses’ discretion or are subject to review to ensure balance.

Please note the following in particular:

  • At Child Support, a child's right to child support cannot be waived
  • Provisions that are contrary to public policy or grossly discriminatory are invalid
  • Certain agreements must take the form of a notarial deed: A notarial deed is generally required for the marital home and marital savings; for other marital assets used for daily living, the written form is sufficient.

 

The court may deviate from such prior agreements if, when considered as a whole, one spouse would be unfairly disadvantaged at the time of the division and compliance with the agreement would be unreasonable. In this regard, particular consideration must be given to the couple’s lifestyle, the duration of the marriage, legal advice, and the form of the agreement.

That is why careful legal drafting is important—otherwise, the contract will not hold up in a real-world scenario.

Quick Check: When a Prenuptial Agreement Makes Sense

In practice, whether a prenuptial agreement makes sense can be assessed based on just a few key factors. The decisive factors are assets, professional situation, and personal expectations.

An initial assessment should include the following points in particular:

  • Significant assets or real estate: yes or no
  • Self-Employment or Starting a Business: Yes or No
  • Expectations from Inheritances or Gifts
  • Children from previous relationships

 

On this basis, it is possible to quickly assess whether a contractual provision is appropriate.

Amendment to the Prenuptial Agreement:
when life circumstances change

A prenuptial agreement is not valid indefinitely. If there are significant changes in assets, career status, or life circumstances, it may be advisable to amend the agreement.

From a practical standpoint, the following should be considered above all:

  • When an adjustment to the regulations is appropriate
  • how new assets or companies are taken into account
  • How to Agree on Changes in a Legally Sound Manner

 

The prescribed form is crucial—otherwise, the amendment may be invalid in case of doubt.

Before the wedding or after: the right time

Why Timing Matters

A prenuptial agreement can be entered into both before and during the marriage. Entering into it before the wedding has the advantage that the terms take effect from the very beginning and can be worked out at your leisure.

It makes sense to address the issue early and openly, rather than rushing to resolve it just before the wedding. That way, there’s time to find a solution that both sides can agree on.

An agreement can also be reached after the wedding—for example, if the financial situation changes or a business is acquired.

Avoiding Common Mistakes in Prenuptial Agreements

The Five Most Common Mistakes in Practice

Time and again, the same issues lead to disputes—or result in individual provisions being invalid:

  • The contract is unilateral in nature and places one of the parties at an unreasonable disadvantage.
  • Some provisions are unclear, contradictory, or incomplete in their wording.
  • The legally required form, such as a notarial deed, is not being followed.
  • The prenuptial agreement is concluded just before the wedding and under time pressure.
  • Templates from the Internet are used without individual legal review.

 

We therefore recommend the following procedure:

  1. Carefully assess your personal and financial situation
  2. Jointly Determine the Specific Regulatory Needs
  3. Reach balanced and transparent agreements
  4. Comply with the statutory formal requirements
  5. Discuss the issue early on and openly

Next Step: Draft a prenuptial agreement with clear key terms

If you gather the key details early on, you can draft a prenuptial agreement that is much more tailored to your needs. Information on the following is particularly helpful:

  • contributed and existing assets
  • Real Estate and Businesses
  • Income Situation of Both Parties
  • Expectations from Inheritances or Gifts
  • personal goals and aspirations

 

On this basis, we can determine which regulations are appropriate and where further coordination is needed.

Quick Checklist: Preparing a Prenuptial Agreement

Before specific regulations are established, the following points, in particular, should be clarified:

  1. What assets do both sides bring to the table?
  2. Are there real estate properties or companies?
  3. How do incomes differ?
  4. Are there expectations regarding inheritances or gifts?
  5. Do you have children from previous relationships?
  6. Should child support also be addressed?
  7. Which form is legally required?

 

If there are still uncertainties regarding several points, it is advisable to conduct a preliminary legal review. In practice, this helps avoid having to make corrections later on.

When Legal Advice Is Especially Important

A prenuptial agreement is only valid if it is legally sound and properly executed. Therefore, seeking legal advice is particularly important when:

  • significant assets or real estate are involved
  • whether a partner is self-employed or runs a business
  • Maintenance Issues to Be Regulated
  • The agreement should be balanced and sustainable

 

If you lay out the initial situation clearly, you'll end up with a more robust agreement.

We will be happy to advise you personally.

The Nagler Law Firm provides comprehensive advice on prenuptial agreements and all matters related to assets, financial security, and spousal support. Our goal is to provide advice that is not only legally precise but, above all, understandable, balanced, and forward-looking.

Every couple has its own financial and personal circumstances. This makes it all the more important to have an agreement that fits their specific situation and stands up to the realities of daily life.

Frequently Asked Questions About Prenuptial Agreements

Is a prenuptial agreement mandatory in Austria?

No. A prenuptial agreement is not required. Without a prenuptial agreement, each spouse’s property generally remains separate during the marriage. In the event of a divorce, marital property and marital savings are divided by the court according to principles of equity.

In the absence of a prenuptial agreement, each spouse generally retains ownership of what he or she contributed or acquired. In the event of a divorce, the marital property and savings are divided equitably in accordance with §§ 81 ff. of the Marriage Act (EheG), regardless of formal ownership. Assets brought into the marriage, inherited, or received as gifts, as well as businesses, are generally already excluded from this by law.

A distinction is made regarding prenuptial agreements: A notarial deed is required for the marital home and marital savings, while a written agreement is sufficient for other marital assets used for daily living. A legal review ensures that the required form is followed in each case.

Yes. A prenuptial agreement can be entered into both before and during the marriage, for example, if the financial situation changes or a business is acquired.

A complete waiver of post-marital support may, in principle, be possible, but is subject to a review for contravention of public policy under § 879 ABGB. Prenuptial agreements regarding spousal support in the event of divorce generally require a notarial deed, unless they are concluded in connection with divorce proceedings. Child support, on the other hand, cannot be excluded or limited to the detriment of the child.

Provisions that are grossly contrary to public policy may be void under § 879 of the ABGB. In the case of prior agreements regarding marital savings and other assets subject to the right of use, the court may also deviate from the agreement if, when viewed as a whole, one spouse would be unfairly disadvantaged at the time of division and compliance with the agreement would be unreasonable; factors taken into account include, in particular, lifestyle, duration of the marriage, legal advice, and the form of the agreement. The agreed-upon legal allocation of the marital home is generally exempt from this; in the case of mere arrangements regarding use, a deviation is possible if the essential living needs of a spouse or a child of the marriage would otherwise not be met.

Businesses, as well as, in principle, business interests, contributed assets, inheritances, and gifts, are already excluded from the division of property by law. A prenuptial agreement may further regulate the allocation, income, appreciation in value, withdrawals, and valuation issues in these cases. Real estate, such as the marital home, may, however, be included in the division under certain conditions, particularly if the other spouse or a child of the marriage is dependent on its use.

Yes. If there are significant changes in assets, employment status, or life circumstances, an existing prenuptial agreement may be amended by mutual consent, provided that the required formalities are followed.