The atlaskey Team Welcomes You
Our team is a diverse group of professionals, combining expertise from various fields to deliver comprehensive services. In addition to our certified immigration lawyers, we have dedicated legal support, marketing, IT, and administrative specialists working seamlessly together.

This multidisciplinary approach ensures that every aspect of your case is handled with precision and efficiency, providing you with a smooth and reliable experience from start to finish.
Our team of certified lawyers, with deep knowledge of immigration law, is dedicated to provide legal services of highest quality, clear guidance, tailored solutions, and unwavering support
We believe in building trust through transparency, diligence, and a client-first approach - because your success is always our top priority
We speak 9 languages
Our Leadership
“My decision to found atlaskey has been shaped by personal experience and professional career as an expat in Germany”
Having gone through the naturalization process, Anton gained firsthand insight into the legal and emotional challenges

Before establishing atlaskey, Anton had a successful career in investment banking, specializing in managing complex financial transactions and strategic advisory. He brings this same level of precision and leadership to his role at atlaskey, where he ensures smooth, professionalized processes that allow the firm to deliver top-tier immigration services
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CEO & Founder
Anton Kosin
Education:
Philipps University of Marburg, Germany
(M.Sc. Business Administration, Finance)
Charles Darwin University, Australia (MBA)
Experience:
Investment banking, Consulting, Accounting
Contact:
atlaskey
German, English, Russian
Frankfurt am Main, Germany
"My work in immigration law is driven by a passion to help clients overcome legal obstacles and achieve their dreams of living and working in Germany"
Throughout his career, he has gained extensive experience in banking and finance law, commercial real estate law, corporate law (particularly in the support and foundation of startups), antitrust law, arbitration law, franchise law, as well as public law, with a focus on migration law. Having lived and worked in Moscow, Zurich and Frankfurt he has been employed by the German Foreign Office, the legal department of a German state-owned bank, and various international law firms and companies.
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Partner, Lawyer
Thomas Alexander Heinrich
Education:
Goethe University Frankfurt
Johannes Gutenberg University Mainz
University of Tübingen
Experience:
Immigration law, International Corporate law, Commercial Real Estate law, Banking & Finance, Antitrust & Cartel law
Credentials:
Member of the Working Group on Migration law of the German Bar Association
Member of the German Bar Association
Member of International Association of Young Lawyers
Member of International Bar Association
German-Russian Lawyers Association
Contact:
atlaskey Rechtsanwälte
German, English, Russian
Frankfurt am Main, Germany
"As a specialist author and lecturer in civil law, I combine practical experience with academic insight to deliver exceptional legal solutions."
Friedrich Albrecht Lösener has extensive knowledge of German procedural law, acquired through his work in the appellate practice of a law firm admitted to the Federal Court of Justice. He passed both the First and Second State Examinations with distinction.
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Cooperation Partner, Lawyer
Friedrich Albrecht Lösener
Education:
Goethe University Frankfurt
Experience:
Immigration law, Inheritance law, Real Estate law, General Damage law
Credentials:
Active lecturer of civil law
Member of the Migration Law Working Group of the German Bar Association
Contact:
atlaskey Rechtsanwälte
German, English
Frankfurt am Main, Germany
Our Highest Standards
and Guaranteed Excellence
German Quality
Based in Frankfurt, we deliver legal services with the precision and reliability of German standards
Proven Track Record
We have handled hundreds of successful cases in diverse legal matters
Personalized Service
Every case handled by a licensed by a German trained and qualified lawyer
30+ Years of Experience
Our team offers cumulated immigration law expertise across the team
Insider Knowledge
We bring extensive experience and maintain regular dialogue with German authorities
Nationwide Expertise
Our team has experience in all 16 German states
Top-Tier Education
All our lawyers are graduates of renowned German law schools
Thought Leaders
Our lawyers are active university lecturers in diverse law matters
Highly Recommended
We have achieved strong client satisfaction and recommendation rates
Got Questions?
We Have Answers!
Find answers to everything you’ve been wondering about atlaskey:
Who are the lawyers at atlaskey?
Our legal team is composed of highly skilled attorneys with deep expertise in immigration and naturalization law. They bring years of experience, knowledge of complex legal frameworks, and a passion for helping clients achieve their goals.
What sets the atlaskey team apart?
Each member of our team combines technical legal expertise with a personal commitment to your success. Our attorneys have handled cross-border cases, optimized legal processes, and developed specialized strategies to navigate complex immigration procedures efficiently.
Will I work with the same lawyer throughout my case?
Yes, you’ll be assigned a dedicated lawyer who together with a team will guide you throughout your journey. This ensures continuity, personalized attention, and tailored legal advice specific to your situation.
What is the background of the leadership team?
Our leadership team includes professionals with personal experience in immigration and naturalization. Anton went through the naturalization process in Germany and brings his expertise and dedication to the firm’s operations. Thomas oversees internal legal matters and long-term strategy, ensuring top-quality legal service. Friedrich offers unmatched expertise in German procedural law, guiding us through complex cases with precision.
How does atlaskey ensure high-quality service?
We maintain rigorous standards of preparation and legal strategy to guarantee that every document is reviewed in detail and every step is meticulously planned. Our lawyers stay updated with the latest legal developments and work collaboratively to offer the best solutions for each client.
How can I get in touch with the atlaskey team?
You can easily reach our team through email or via the contact page. We’re here to answer your questions and guide you through the process with professionalism and care.