Helmer Tieben – 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.

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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.

Areas of law

Termination of tenancy, rent increase, utility bill calculation, eviction proceedings: I represent tenants and landlords regarding residential and commercial premises. Commercial tenancy agreements often involve written form, index rent and termination periods.

Visa for spouse reunification, EU Blue Card, residence permit and naturalization. If the authorities do not decide for months, an action for failure to act may be the next step.

Many descendants of German immigrants are German citizens without knowing it. I examine the lineage through parents, grandparents, or great-grandparents and apply for recognition of citizenship – for clients in Germany and abroad.

From founding to disputes among shareholders: I advise on choosing the legal form, drafting the company agreement, and getting the company registered with the commercial register – also for foreign founders who additionally need a residence permit. Later, it often involves transferring shares, managing directors’ liability, or a shareholder dispute in a GmbH or GmbH & Co. KG.

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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

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

Examination of historical family records and application documents for the Late Emigration Procedure.

Incongruence among late-immigrants: What to do after a rejection?

The Federal Administrative Office (BVA) has rejected your application for admission because a document you submitted includes a nationality other than „German“? Then the change to § 6, paragraph 2 of the Federal Displaced Persons Act (BVFG), which has been in effect since December 23, 2023, may be important for you. However, it does not automatically remove old refusals, and the courts still assess the extent to which it applies differently. Note: This article serves general information and does not replace legal advice in a specific case. The legal interpretation of the new provision is still evolving. For your specific situation, please contact a lawyer. The short answer: Since December 23, 2023: Anyone who changed their nationality declaration before leaving the resettlement area only to become a member of the German ethnic group, whose previous declaration was for another ethnicity, has their previous declaration revoked. Even serious efforts to make such a change are sufficient (BGBl. 2023 I No. 390). This only concerns the question of whether an earlier objection has been overcome. The remaining requirements – German ancestry, residence history, and language skills – must still be met. A final rejection remains effective until it is reversed through reinstatement. You must submit the request yourself. In what situation are you? Your proceedings are still ongoing. Are you still living in the resettlement area and is your application still pending?

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Illustration of family documents, a family tree and a family upon arrival in Germany

As late-immigrants to Germany: Requirements, language test and procedure for the admission process

Anyone of German descent who lives in a state of the former Soviet Union or in another resettlement area can, under certain conditions, come to Germany as a late emigrant and acquire German citizenship there. Whether this is possible is decided by the Federal Administrative Office (BVA) in a multi-stage process – based on documents regarding descent and nationality, proof of language proficiency, and a detailed examination of the residence history. Note: This article serves general information and does not replace legal advice in a specific case. The requirements depend heavily on your documents, your country of origin, and your family history. For your specific situation, please contact a lawyer. The most important information in a nutshell: Late emigrants can become German citizens if they are of German descent, have the legally required residence history in an area of resettlement, and leave this area through the admission procedure (§ 4 BVFG). German citizenship requires German descent, a commitment to German ethnicity, and the ability to have a simple conversation in German (§ 6, para. 2, BVFG). The admission certificate must be present before departure in principle. After departure, permanent residence in Germany must be established within six months. Spouses and adult descendants need basic knowledge of the German language for inclusion; minor descendants do not. Upon arrival, registration in Friedland and registration at the place of residence are required by the BVA

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Symbolic representation of a share transfer in a GmbH with a split share diagram

Transferring shares in a GmbH: Notary, procedure, costs and shareholders list

How are company shares transferred? Through a notarial deed of assignment (§ 15, paragraph 3, GmbHG). The underlying purchase or gift agreement also requires the notarization (§ 15, paragraph 4, GmbHG); however, a contract concluded informally can be remedied by effective notarial assignment. The acquirer is only considered a partner of the GmbH when they is listed as a partner in the trade register (§ 16, paragraph 1, GmbHG). Most enforcement issues do not arise during the actual registration, but through overlooked consent reservations, unclear participation relationships, or incompletely coordinated enforcement conditions. These issues are at the center of our advice in commercial and corporate law. In a nutshell: Company shares are transferable and inheritable (§ 15, paragraph 1, GmbHG). The articles of association can, however, be linked to further conditions, in particular to approval (§ 15, paragraph 5, GmbHG). Notarial form: for the assignment and for the obligation to assign, including the ancillary agreements that, according to the will of the parties, form part of the business. Healing: A contract concluded informally is valid through the formally correct, effective assignment (§ 15, paragraph 4, sentence 2, GmbHG). Shareholders' register: In the event of the involvement of a notary, he or she must submit the new list to the commercial register (§ 40, paragraph 2, GmbHG). Only he or she legitimizes the acquirer vis-à-vis

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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.

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.

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.

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.

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.

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.

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.

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.

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