We don’t just solve problems — we create confidence in the future and know how to find the optimal solution for our clients.
Each case is handled by experts with legal education and extensive experience, allowing us to deliver effective solutions even in the most complex situations.
About Tatiana Vyborna
About Dmitriy Kozlenkov
Dmitry begins his legal education at the National University “Odesa Law Academy” (Odesa, Ukraine).
Tatiana enrolls at the Wroclaw University of Economics and Business (Wrocław, Poland) to pursue a European education.
Dmitry and Tatiana begin their careers at a large international company, specializing in employment and legalization of foreigners.
Tatiana completes specialized courses in the legalization of foreigners’ stay, deepening her knowledge in immigration law.
Tatiana obtains a dual master’s degree from the University of Wrocław and the Wroclaw University of Economics and Business, strengthening her expertise.
Based on the accumulated experience, the company ONE PLUS is established, specializing in employment and legalization of foreigners.
The company receives the “Rzetelna Firma” certificate, confirming its strong reputation and reliability.
ONE PLUS is awarded the “Przedsiębiorstwo Godne Zaufania” certificate, further strengthening client trust.
A partnership is established with Intercars S.A. to provide temporary employment agency services and legal support related to the legalization of foreigners.
Despite the Covid-19 pandemic and the war in Ukraine, the company continues to grow thanks to a strong team.
ONE PLUS becomes a leading agency among its strategic partner’s network, having employed over 5,000 staff within 2 years.
Tatiana completed her doctoral studies at the Faculty of Law of the University of Wrocław, specializing in the employment of foreigners.
Over 10,000 clients have used our services — we’ve assisted with residence legalization and the processing of various legal documents.
The company’s total turnover exceeds 30 million PLN.
Due to changes in the labor market, the company decides to close its employment division and initiate a global rebranding.
ONE PLUS focuses on legal services and business consulting for companies and foreigners, opening a new chapter in its history.
Why choose us?
We strive to offer our clients effective and personalized solutions based on in-depth knowledge of Polish law and years of practical experience. With us, you gain not only legal support but also confidence in the successful resolution of your matters!
Our partners
Why we are recommended
We don’t talk about chances – we guarantee results
Den Sauliak
Thank you, ONE PLUS, for the professional assistance with my residence card! Everything was fast, clear, and handled with care. Special thanks to Ms. Tetiana — the decision was issued in record time. I highly recommend ONE PLUS to everyone who values quality and a human approach!
Kirill Karabanov
High-quality service. Always ready to help and explain everything. Special thanks to Tetiana — she supported me all the way until I received my residence card.
Valeria
I reached out for a consultation about starting a business in Poland. Everything was explained clearly and simply — they helped me understand the documents and all the details. Thank you ☺️
Volodymyr Nazarenko
Highly recommended!
Alex True
Thank you for the consultation 🤝
Alina Tokarska
I’m super satisfied with the speed and precision in handling my residence card case! Thank you, Tetiana — you’re a real magician!
Yuliia Sirenko
The best legalization service in Wrocław ❤️ Highly recommend ❤️
Artem Sobol
We’ve known the team for a long time — always friendly and straight to the point. Highly recommend!
Igor Bogush
Very satisfied with ONE PLUS service. The best company on the market 🔥
Daria Yashchuk
In 2020, I began my legal journey in Poland. I worked officially for 1.5 years with no issues regarding documents. ONE PLUS also helped me with my residence card. I highly recommend them to everyone.
DeKa Studio
We’ve been working together since 2019 — this wonderful company handles all our documentation, always staying on top of everything and providing information with lightning speed. Thank you for the fruitful and long-term cooperation.
Muhammed Olaogun
Excellent service! They worked with me throughout the entire process, providing updates and assisting with other logistics of the application. Even though it took two years (through no fault of theirs), they supported me every step of the way. I would highly recommend them!
No_4mat
I received my decision very quickly. If you don’t want to stand in lines or struggle with applications — I highly recommend the company One Plus!
1000
I was very satisfied with the service after turning to ONE PLUS. Support, assistance, and consultation were provided throughout the entire process. I’m grateful that they found a solution even in a rather non-standard situation.
Maksym Bobrowski
I’ve been working with the company since 2018 — always professional, reliable, and attentive to detail. Excellent service and a highly competent team. I highly recommend them!
Valeriia Kuznietsova
I’ve been working with ONE PLUS for over 7 years — always clear and professional. They processed my residence card quickly, unlike my colleague who’s still waiting through another company. They’re always in touch and provide clear answers.
Liubov Kvartalna
Wonderful company! They provided a detailed consultation on my tax declaration, explained everything clearly, and handled the process quickly. Professional, precise, and easy to understand — I definitely recommend them!
Yehenii Spashchenko
The best in the business! They quickly helped me gather the documents and apply for the residence card. Always in touch, guiding and assisting with every step. I wholeheartedly recommend them ♥️
Nastia Andreenko
I was very satisfied with the services provided and will definitely come back again. Many thanks!
Evgenia Alex
I want to express my gratitude and sincerely thank Tetiana for her help and support in obtaining the decision — and soon, the residence card 🙂
Kateryna Lisenkova
Thank you to the ONE PLUS team — I received my residence card very quickly! Professional, efficient, and with care. I recommend them to everyone who values quality and results!
Elena Kovalchuk
I applied for an EU residence card — Tetiana handled the entire case from start to finish. Professional, polite, and with an excellent result: I received the decision in less than 8 months. I’m very grateful and highly recommend them!
Yehor Shpakevych
I contacted ONE PLUS about a year ago to replace my driver’s license. They welcomed me warmly, explained everything clearly, and took care of the entire process. Now I finally have my license — truly grateful!
Petro Buchynskyi
I contacted ONE PLUS after two years of waiting with no results. Thanks to them, I got my decision within a year, even through the court. They handle everything — even the lawsuit. Highly recommend!
Fonubar (Vlad)
I reached out to the company on a friend’s recommendation — and I don’t regret it! They helped me open a business in Poland quickly and without any issues. Always in touch and ready to help. Sincere thanks!
Our company provides comprehensive legal support for foreigners and businesses looking to legalize their stay or expand in Poland. We guide clients through every stage — from initial consultation and document preparation to communication with Polish institutions — ensuring full compliance, transparency, and efficiency throughout the process.
We specialize in residence permits, permanent stay, citizenship, business registration, PESEL and address registration, sworn translations, and other legal procedures. Our experienced team develops tailored solutions, adapting to each client’s needs — whether it’s individual immigration or cross-border business setup.
We also work with medium and large companies, supporting the legalization of foreign professionals and corporate relocation to Poland. Using innovative tools and legal precision, we help our clients reach their goals faster, build lasting partnerships, and operate with confidence in the Polish legal environment.
Receive a consultation from our services manager
Fill out the form and we’ll call you back
4.6 
