Helmer Tieben. Your lawyer in Cologne
Helmer Tieben has advised clients worldwide on German citizenship by descent since 2005 - from the US, Canada, Israel, Australia, and beyond. His Cologne-based practice covers confirmation of existing citizenship through descent (§ 4 StAG), acquisition by declaration for historical gender discrimination (§ 5 StAG — deadline 19 August 2031), and reparation naturalisation for descendants of Nazi persecution victims (Art. 116 GG / § 15 StAG). Domestically, the firm also advises tenants, landlords, and employees across all areas of tenancy and labour law.
Your lawyer in Cologne
The Cologne law firm offers legal advice for private individuals, freelancers and medium-sized companies. Our Online law firm also offers flexible consulting options via the Internet, ideal for clients who need a Lawyer online would like to make use of.
The offices are located in Cologne's Südstadt district near Chlodwigplatz and can be easily reached by car or tram from all parts of Cologne.
In order to provide you with comprehensive advice, Mr Tieben works closely with other lawyers in Cologne, tax advisors, business consultants, notaries and insurance specialists. This co-operation strengthens the Cologne law firm its interdisciplinary expertise and guarantees comprehensive legal support.
Here you can also find out about legal fees. It is also possible to obtain legal advice online via our online law firm. This digital solution of our Online law firm enables you to have direct contact with your Lawyer Colognewithout travelling in person.
Legal advice online - your flexible solution
Our law firm offers you the opportunity to obtain legal advice online. This form of consultation is efficient and saves time, especially if you cannot come to Cologne in person. You receive the same legal quality as in person, only digitally and from any location.
Labour law comprises the main legal norms that define the rights and obligations of an employee. As Lawyer for labour law Cologne Mr Tieben competently assists his clients with labour law issues. He is recognised as an experienced Lawyer labour law Colognewhich provides comprehensive advice to both employees and employers.
Tenancy law covers both the renting and letting of residential and commercial property. As an experienced Lawyer for tenancy law Cologne Mr Tieben advises tenants and landlords in all matters relating to tenancy law.
The law concerning foreigners and nationality covers all legal regulations regarding entry, residency, and naturalisation — including the determination of German nationality by descent, acquisition by declaration under § 5 StAG, and restitutionary naturalisation for descendants of victims of Nazi persecution. The law firm advises clients both domestically and abroad. You can obtain an initial assessment via our free preliminary check.
15
Years of experience as a lawyer
3
Areas of Expertise
1
E-bike
2000+
Clients
500+
Court dates
Lawyer Tieben
Helmer Tieben studied law at the University of Cologne and also completed a Master's programme at the University of Melbourne in Australia, graduating with a Master of International Tax.
Since being admitted to the bar in Cologne in 2005, he has worked for a large auditing firm and a large German transport company before becoming self-employed.
Tieben's areas of practice include the following Tenancy Law, Immigration Law and the Employment and Labour Law. His clients include private individuals, medium-sized companies and the self-employed. He also advises as Contract law lawyer Cologne clients in contract drafting, breaches of contract and claims for damages.
Should you require legal representation, please contact Mr Tieben on the following telephone number 0221 - 80187670 or by email: info@mth-partner.de
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Client testimonials
We were recommended Mr Tieben and were successfully represented by him in a tenancy law matter. We felt that we were in good hands right from the start. Very competent, personable and easy to reach by phone.
GC. ( Tenancy law )
Very competent, reliable, fast and friendly. All my concerns were dealt with carefully. Absolutely recommendable!
S.K. ( Tenancy law)
We have used Mr Tieben's advisory services several times, particularly in the areas of internet law and labour law. Mr Tieben has always shown himself to be reliable and very competent. Conclusion: definitely recommendable.
V.M. ( Labour law)
Latest blog posts
German nationality by descent and the legal succession of the German State
From the Holy Roman Empire to the Federal Republic of Germany Lawyer Helmer Tieben, LL.M. | MTH Partner Lawyers, Cologne Status: June 2026 Note: This article is for general information only and does not replace individual legal advice. Nationality law is complex and depends on the specific historical circumstances of the individual case. Please contact a lawyer for your specific situation. Anyone with German ancestors eventually asks themselves a simple question: Am I perhaps already German? However, the answer is rarely simple. This is because German nationality law is not based on ancestry. It is not enough to prove German roots. A continuous legal chain must be established – from a demonstrably German ancestor through each individual generation down to you. Whether this chain exists or has been broken at some point does not depend solely on family documents. It also depends on which law applied at which time – and this means: it depends on the history of the German state itself. Because the German state, as we know it today, did not newly emerge in 1949 or 1990. It has a legal history that reaches back through the German Empire, the North German Confederation, and the German Confederation to the time of the Holy Roman Empire. This article explains why
Landlord Must Forward Post After Tenancy Ends – Duties, Rights and Damages
If the tenancy between landlord and tenant has ended, this does not mean that both parties are no longer liable to the other for certain matters. This follows from the general clause § 242 BGB, good faith. This is because even after a contractual relationship has ended, a contracting party can rely on the other contracting party to fulfil its obligations.
The Million-Pound Passport: What German Citizenship Is Really Worth
This article is for general information only and does not replace individual legal advice. If you have a specific question about your claim to German citizenship, please contact a lawyer specialising in nationality law. 690,000 Euros for an EU Passport – and Still Unlawful Until April 2025, it was possible to buy citizenship in Malta. Not in a figurative sense, but quite literally: anyone who paid at least €600,000 to the Maltese state, acquired property worth at least €700,000, or rented for at least €16,000 per year and additionally donated €10,000 to a charitable organisation, could become a Maltese citizen after a waiting period of twelve to 36 months – and thus an automatic Union citizen. The programme was one of the most expensive in the world. Depending on the chosen route, the minimum investment ranged from around €630,000 to over €1.4 million. And yet, there were enough interested parties. Why? Because the Maltese passport meant access to the European Union: the right to live, work and study in 27 member states. Visa-free travel to 185 countries. Consular protection worldwide. Protection against deportation. And the possibility to pass on this status to one's own children. On 29 April 2025, the European Court of Justice (ECJ) declared this model to be
Frequently asked questions (FAQ)
1. in which areas of law is the Cologne law firm active?
The Cologne law firm of lawyer Helmer Tieben specialises in employment law, tenancy law, immigration law and social law. As an experienced lawyer in Cologne, Mr Tieben advises both private individuals and companies on legal issues.
2 How can I make an appointment with a lawyer in Cologne?
Appointments can be made by telephone, email or conveniently via the online law firm. This means that clients also benefit from legal advice online, without having to travel long distances.
3. is it possible to obtain legal advice online?
Yes, you can obtain legal advice online via our online law firm. This digital solution is particularly suitable for clients with little time or from other regions.
4 Where is the Cologne law firm located?
The offices are located in Cologne's Südstadt district near Chlodwigplatz. The lawyers in Cologne are easily accessible both by public transport and by car.
5 Who are the firm's clients?
Clients include private individuals, the self-employed and medium-sized companies. As one of Cologne's experienced lawyers, Helmer Tieben advises clients individually and in a solution-orientated manner.
6 What distinguishes Mr Tieben as a lawyer for labour law in Cologne?
As Lawyer for labour law Cologne Mr Tieben has many years of experience and in-depth expertise. He assists employees and employers with dismissals, Cautions, employment contracts and all other labour law matters.
7 Who is my contact person for tenancy law issues?
Mr Tieben is your competent partner for all matters relating to tenancy law. Lawyer for tenancy law Cologne We are at your side, be it for cancellations, rent increases or disputes with the landlord.
8. with which other specialists does the law firm co-operate?
For comprehensive advice, Mr Tieben works closely with other lawyers in Cologne, tax advisors, business consultants and notaries. As a result, clients receive comprehensive legal and economic support. Our Cologne law firm also offers online appointments for clients who require fast and location-independent advice via the Online law firm wish.