+48 71 880 85 08
Mon–Fri - 09:00 to 17:00
Sat - by appointment

About ONE PLUS

For over 10 years, we have been helping foreigners legalize their stay, handle documents, and open a business in Poland. During this time, we have guided thousands of clients from different countries — from the first consultation to receiving ready documents and successfully launching a business.

Every case is handled by a qualified specialist personally — we never pass cases to intermediaries. We interact with government authorities daily and monitor changes in legislation, finding effective solutions even in complex situations.

Over the years, we have employed over 8,000 foreigners and completed projects with a turnover exceeding 30 million zloty.

Our goal is not just to process paperwork, but to find the optimal solution for your specific situation: quickly, legally, and without unnecessary stress.

About ONE PLUS
  • Personal and professional approach to every client and case
  • Full legal support from consultation to document receipt
  • Guaranteed confidentiality and transparency at every stage
  • Deep knowledge of Polish law and years of successful practice
About ONE PLUS
Revenue in PLN
30+ mln
Revenue in PLN
30+ mln
Revenue in PLN
Publicly available data
Check
You can verify our company online and check the statistics yourself.
Satisfied clients
15.000+
Satisfied clients
15.000+
Satisfied clients
98% of our clients return for additional services and recommend us to their friends.
Сompany operation
7 years
Сompany operation
7 years
Сompany operation
For many years, we have been helping foreigners and businesses in Poland.
Experience
11 years
Experience
11 years
Experience
You can be sure that certified experts are handling your case.

Meet us!

Trust, professionalism, and care for every client are the foundation of our work.

Our team consists of certified lawyers with Polish legal education and experience in legalization. Here you work with real specialists, not intermediaries or bloggers who resell someone else’s services.

We continuously monitor changes in legislation to always offer the most relevant and effective solution for your situation.

We value long-term relationships and strive to become a partner you can truly rely on.

That is why we approach every case with full responsibility and work until the result is achieved.

Tatiana Vyborna
Founder
11 years of legal practice
Tatiana Vyborna
Dmitry Kozlenkov
Operations Director
8 years in business management
Dmitry Kozlenkov

The Story of ONE PLUS

Discover how the team has grown, adapted, and transformed over the years
2013 Dmitry’s Education

Dmitry begins his legal education at the National University “Odesa Law Academy” (Odesa, Ukraine).

2014 Tatiana’s Education

Tatiana enrolls at the Wroclaw University of Economics and Business (Wrocław, Poland) to pursue a European education.

2015 First experience

Dmitry and Tatiana begin their careers at a large international company, specializing in employment and legalization of foreigners.

2017 Advanced training

Tatiana completes specialized courses in the legalization of foreigners’ stay, deepening her knowledge in immigration law.

2018 Dual degree

Tatiana obtains a dual master’s degree from the University of Wrocław and the Wroclaw University of Economics and Business, strengthening her expertise.

2018 Founding of ONE PLUS

Based on the accumulated experience, the company ONE PLUS is established, specializing in employment and legalization of foreigners.

2019 Certificate of reliability

The company receives the “Rzetelna Firma” certificate, confirming its strong reputation and reliability.

2020 Client Trust

ONE PLUS is awarded the “Przedsiębiorstwo Godne Zaufania” certificate, further strengthening client trust.

2020 Strategic partnership

A partnership is established with Intercars S.A. to provide temporary employment agency services and legal support related to the legalization of foreigners.

2020-2022 Crises and growth

Despite the Covid-19 pandemic and the war in Ukraine, the company continues to grow thanks to a strong team.

2022 Leadership

ONE PLUS becomes a leading agency among its strategic partner’s network, having employed over 5,000 staff within 2 years.

2022 Tatiana’s PhD Studies

Tatiana completed her doctoral studies at the Faculty of Law of the University of Wrocław, specializing in the employment of foreigners.

2023 Successful clients

Over 10,000 clients have used our services — we’ve assisted with residence legalization and the processing of various legal documents.

2024 Financial success

The company’s total turnover exceeds 30 million PLN.

2025 Closure of division

Due to changes in the labor market, the company decides to close its employment division and initiate a global rebranding.

2025 Shift in focus

ONE PLUS specializes in comprehensive legal services for foreigners and business consultancy, marking a new chapter in its development.

Why choose us?

Thanks to our company and the professionalism of our legal experts, we provide comprehensive assistance with all legal matters in Poland.
Our specialists have extensive experience in the following areas of law:
Immigration Law
Immigration Law
Legalization of stay, issuance of residence cards, visas, and work permits.
Civil Law
Civil Law
Drafting and legal analysis of contracts, comprehensive protection of rights in legal disputes.
Labor Law
Labor Law
Consultations on employment contracts, protection of employee and employer rights.
IT Lawyer
IT Lawyer
Legal support for IT businesses and freelancers, and assistance with digital projects.
Administrative Law
Administrative Law
Interaction with government authorities, assistance in resolving administrative disputes.
Commercial Law
Commercial Law
Business registration and support, contractual relations between companies.
Copyright Law
Copyright Law
Protection of intellectual property, licensing, and regulatory compliance.
Criminal Law
Criminal Law
Professional legal assistance in protecting clients’ rights and interests in complex criminal cases.

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

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Why we are recommended

Why we are recommended
We don’t talk about chances – we guarantee results
  • You work exclusively with certified lawyers and experts.
  • Our specialists have verified legal education and many years of experience.
  • Over 95% of our clients recommend us to others, confirming our reliability.
Why we are recommended

Reviews

Reviews about us on Google Video reviews on YouTube
Client trust is the highest measure of our success

Needed a certificate of no criminal record for a job offer in Poland. ONE PLUS filed it for me and I collected the document two days later.

27.08.2026

My police clearance was for a residence card application. I would have picked the wrong form on my own, they explained which one and it came back on time.

24.08.2026

Got my criminal record certificate through ONE PLUS in Wroclaw. They filed the same day I called and told me the real cost upfront. No queues, no guessing which office to visit.

21.08.2026

Everything went very smoothly and I’m very grateful. I’ll definitely get in touch with you again if the need arises.

26.08.2026

I ordered a sworn translation, everything went quickly and to a high standard, I’ll definitely contact you again.

25.08.2026

Comprehensive help with documents in Poland, they prepared Aneks 1, found suitable insurance and did the sworn translations, thank you very much.

25.08.2026

Individual consultations on legalisation, advice on how to properly change employers during a case without wasting time.

25.08.2026

We asked for help getting a residence permit. From the very start we received detailed advice on legalisation and the documents needed in Poland.

24.08.2026

I’m very happy with the help. I needed advice on legalisation and registering my residence card in Poland. They helped me sort out my documents, checked everything and explained what to do and how. Thanks to them the whole process went much more smoothly. I recommend them!

24.08.2026

We asked for advice on legalising our stay in Poland and getting a residence card. Everything was explained clearly, they helped with the paperwork and were with us at every stage. They helped us get our residence card fairly quickly, in about 4 months. I’m very grateful for the professional help!

24.08.2026

Very useful legal advice. My wife and I came with a few questions about our stay in Poland and got clear, specific answers to everything we wanted to know.

24.08.2026

I had to exchange my driving licence for a Polish one. They helped me take care of all the formalities and explained exactly what I needed to do.

24.08.2026

I registered my reel through ONE PLUS. I really liked how fast they were, the whole procedure took only 2 days. Great!

24.08.2026

Reliable help with handling documents in Poland, they took on all the bureaucracy and communication with the government.

24.08.2026

The best company helped me get a residence permit within 4 months.

24.08.2026

Excellent help with handling documents in Poland.

24.08.2026

Good consultation on legalisation, I’m satisfied.

24.08.2026

Fast and efficient processing of the residence card.

24.08.2026

High-quality legalisation consultation, every issue was clearly presented, the best basis for submitting the application was chosen.

24.08.2026

Very good service. I contacted them about documents in Poland, everything was handled fairly quickly. I particularly liked the attention to detail.

23.08.2026

Thank you for your help with the residence card. It’s nice to deal with people who know their job and can explain complicated things well.

23.08.2026

I needed a consultation on a residence permit and the subsequent relocation from Poland. The specialist explained the nuances of my situation and pointed out issues I hadn’t thought of before. After the consultation, it became much clearer to me what to do next.

23.08.2026

My case in Katowice had been stuck for a long time and I didn’t know how much longer I would have to wait. ONE PLUS helped me resolve the problem and speed up the case. A few months later, I received the long-awaited decision. Thank you for the professional approach.

23.08.2026

I contacted ONE PLUS in Wroclaw when I decided to apply for a residence permit. The team supported my case and advised me on what to prepare and when. I got the result about 5 months later. I was happy with the cooperation.

23.08.2026

Very useful consultation about the residence permit. I finally understood my situation and received the necessary documents. Thank you for the professional approach.

22.08.2026

Thank you for helping me legalise my stay in Poland. Everything was organised professionally, without unnecessary formalities. They prepared the documents, explained everything and stayed in touch.

22.08.2026

Good experience working with them. I especially liked that they not only answered questions but also explained why things had to be done that way. That was very important to me.

22.08.2026

For a long time I couldn’t sort out the legalisation procedure in Poland on my own. After the consultation everything became much clearer. I got clear answers to all my questions and help with preparing the documents. I recommend them.

22.08.2026

I’ve been working in Wroclaw for a few years, but after changing jobs I ran into bureaucratic difficulties, so I turned to them and I don’t regret it!

22.08.2026

I needed help with documents for legalisation. At first I didn’t know where to start, but here everything was laid out point by point. Convenient and clear.

22.08.2026

Great service for those who value their time. I needed urgent legalisation advice, and the lawyers immediately put together a plan of action.

22.08.2026

I asked for help preparing my residence card. The specialists explained everything in detail and suggested the next steps.

22.08.2026

I was given advice on legalising my stay in Poland. I received clear answers tailored to my situation. Now at least I understand what to do next.

22.08.2026

I contacted this company and I’m satisfied with the service. I needed detailed advice on legalisation because I was having trouble putting my documents together.

22.08.2026

I submitted an application for a residence permit. They helped me organise my documents and explained what to do next. I was happy with the consultation.

22.08.2026

Fast and convenient insurance registration!

21.08.2026

I’m very happy with the cooperation! 🙌 The company really helped me get my residence permit. Everything went quickly and professionally. They were in constant contact and provided all the necessary help at every stage. Thank you for the great work! I definitely recommend them!

21.08.2026

Huge thanks to ONE PLUS for fast and efficient help with the paperwork. I was absolutely delighted with everything: the service, the support and the results. They’re true experts in their field!

20.08.2026

I asked for a consultation about a residence permit and they answered all my questions. We’ll continue working together.

20.08.2026

I had a paid consultation about setting up a company in Poland and got thorough answers to my questions. We look forward to further cooperation. Thank you.

13.08.2026

The service was good and fast, the price was fair, and the handling was excellent.

13.08.2026

I’m very satisfied with the cooperation! Everything was top notch, thank you for the professionalism and caring approach. Highly recommend!

28.07.2026

Thank you very much for helping me get my birth certificate quickly and for always being in touch ♥️

28.07.2026

I highly recommend ONE PLUS! I had an apostille and sworn translation of diplomas done with them. The service was done express, without any problems and in a pleasant atmosphere. Full professionalism and a great approach to the client. Thank you very much for your help!

28.07.2026

For the second time I turned to ONE PLUS for help, this time with a residence card. The inspector demanded the decision regarding fines, the fines themselves and confirmation of their payment. I had all of that.

28.07.2026

Good service and a very convenient process. It’s great that everything can be sorted in one place, including getting an apostille for documents and having them translated into English. The whole process was simple, quick and efficient. Highly recommend.

28.07.2026

Thank you very much! Everything was done quickly and efficiently, and most importantly, professionally. I received my residence permit within a few months. Highly recommend!

28.07.2026

I am very grateful to ONE PLUS for their help with the legalisation of my stay. Special thanks go to Tatiana , I could always count on clear explanations, quick responses and support at every stage.

27.06.2026

I recommend this agency. They were always available, quickly answered questions and helped with everything.

27.06.2026

Excellent management and service. They stick to agreed deadlines and procedures, and keep you informed of progress at every stage. I recommend them a thousand times over.

27.06.2026

They responded quickly and without any complications. I received the documents even earlier than expected, thank you very much.

27.06.2026

I highly recommend this company! Copies of documents and the residence card decision were made for me quickly, efficiently and professionally. I am very satisfied with the service.

28.05.2026

Thank you very much for the efficient communication and timely delivery of documents.

28.05.2026

Huge thanks to One Plus for helping me get my residence card. They were always available, helped me with the paperwork and explained everything in a simple way, which made the whole process run much more smoothly and easily. We’re glad we got in touch with you.

28.05.2026

I contacted this company to add my driving licence to the database of the Ministry of Internal Affairs of Ukraine. The result was positive within two days. Their approach was transparent and professional. I highly recommend them. Thank you, ONE PLUS.

28.05.2026

I applied for my TRC card through this lawyer and the whole process was very professional. They were responsive, helpful and clearly guided me at every stage. The case went smoothly and efficiently. I highly recommend their services to anyone applying for a TRC card in Poland.

28.05.2026

Many thanks for the professional and kind service. The documents were translated efficiently and very accurately.

28.05.2026

Tatiana was incredibly helpful!! She did everything quickly and efficiently!! Thank you, I’ll be back and I’ll recommend you!

28.05.2026

Very courteous and professional service. They answered all my questions and helped me with my case very quickly. I will definitely use their services again.

28.05.2026

Everything great, great. I’m very pleased. I recommend it.

28.05.2026

Thank you, they responded quickly to my request and were always available. They answered all my questions. I recommend them.

27.04.2026

I applied for insurance and everything went very quickly! Thank you! 🙏🏼 I highly recommend it!

27.04.2026

I’m very pleased with One Plus’s work. In particular, Tatiana helped me move my case to Wrocław and handled it comprehensively. I’m really grateful to them and I recommend them.

27.04.2026

Great! I recommend it to everyone! Thank you very much!

27.04.2026

I RECOMMEND IT TO EVERYONE!!! ONE PLUS! VERY HIGH QUALITY, FAST AND PROFESSIONAL. I’VE BEEN USING VARIOUS ONE PLUS SERVICES FOR 6 YEARS!!! AND I’M VERY SATISFIED WITH THE RESULTS! P.S. YOU’RE THE BEST ON THE MARKET!!! THANK YOU VERY MUCH!

27.04.2026

I received quick and clear advice regarding my driving licence.

27.04.2026

I live in Canada and needed a Polish criminal record certificate because I had lived in Warsaw for a while. After contacting several service providers, I ultimately chose OnePlus SP.

27.04.2026

Everything was great! I got the apostille here, and the whole process went quickly and without any hassle. I’ll definitely use their services again for further legalisation. I highly recommend them as trustworthy specialists.

27.04.2026

Excellent firm. I got answers to all my questions, a competent lawyer. We look forward to working together.

27.04.2026

Using One Plus’s help was a wonderful experience. Their professional and timely support streamlined the whole bureaucratic process considerably. I highly recommend them. Thank you very much.

28.03.2026

We asked for help adding our driving licence to the MVS service centre database. The remote process took about 10 minutes (maybe even less if you have a faster computer). The convenience was that we didn’t have to drive to Wroclaw.

28.03.2026

My third card with One Plus 👌 You can get permanent residence in 4 months if you work with professionals. 📌 Huge thanks to Tatiana, who handled my case and supervised every step! I wish your company continued growth and loyal clients.

28.03.2026

I had a very positive experience with this firm. They helped me get a positive decision on my residence card, and throughout the process they were very helpful, professional and courteous.

28.03.2026

My whole family , me, my wife and my daughter , submitted an application for a temporary residence permit at One Plus. My wife and child submitted the application in the last days of our child’s stay.

28.03.2026

Great! Always fast and professional. I recommend it.

28.03.2026

The whole process, from registration to receiving the ID card, went extremely smoothly. Highly recommended.

28.03.2026

I would like to give a positive opinion about the company. We have used their services several times. They have competent specialists who do their work quickly.

28.03.2026

This is not the first time we have contacted ONE PLUS and they always find positive solutions. I highly recommend them. They are responsive and always ready to help and answer questions.

28.03.2026

I needed a duplicate birth certificate with an apostille. These gentlemen helped me with it, got it done on time, and the prices were reasonable. I recommend them.

25.02.2026

I really like the way this company handles paperwork. They have a good approach. I recommend them.

25.02.2026

One Plus knows their job. They helped me get a residence permit in a short time, for which I am very grateful.

25.02.2026

I recommend them to everyone. My problem was solved quickly and professionally. The gentlemen are great.

25.02.2026

Very helpful and supportive service. I invited my dad to Poland , they guided me at every step. I recommend them!

26.01.2026

I ordered a certificate and other documents in Poland. Prices are fair, fast and efficient service, everything arrived by courier without delays. I recommend ONE PLUS.

26.01.2026

I ordered an apostille for my documents. They fulfilled my request within the agreed timeframe and at a very reasonable price. I am fully satisfied with the service.

26.01.2026

I express my sincere gratitude to your company for the help and the high level of service provided. All work was completed on time, efficiently and professionally.

26.01.2026

I used the services of the insurance company and was satisfied. The contract was drawn up quickly and clearly, the managers were polite and competent, and explained all the insurance terms in detail.

26.01.2026

Thank you for the help, I received the decision on the residence card in a month and a half. I will definitely use the company’s services again.

26.01.2026

I received a 3-year TRC! Fast and efficient service. The staff were patient and helpful with every question!

26.12.2025

I would like to thank the ONE PLUS agency for helping me obtain a residence permit.

26.12.2025

ONE PLUS helped me quickly and efficiently exchange my driving licence for a Polish one. I am grateful to the company’s staff for their professionalism and care.

26.12.2025

Thank you, everything arrived safely (birth certificate).

26.12.2025

Thank you very much for your work 🙏 Everything was on time, always in touch and we didn’t have a single problem. We received the document with an apostille and translation into Polish. We will definitely use your services again!

26.12.2025

We are very happy with our cooperation with ONE PLUS , my husband’s rights were added to the MIA database extremely quickly. I would like to note that despite the remote form of communication, you can immediately feel the professional approach, attention to detail and genuine willingness to help. Highly recommended.

26.12.2025

Working with this company was a real pleasure for me. I ordered duplicates of documents with apostille and sworn translation. Excellent communication, photo updates at every stage and competitive prices. Highly recommended.

26.12.2025

Everything was great!! And most importantly, fast!! I recommend it to everyone!!

26.12.2025

Thank you for your help, everything went quickly and without any problems!

26.12.2025

Tatiana, working with such a professional person is a pure pleasure. I am very satisfied; the promised deadlines were met, everything was high quality and on time. Thank you very much for the cooperation. Highly recommended.

26.11.2025

This is not the first time I have used ONE PLUS services and the result is always positive. I am sincerely grateful to the staff for their responsible and professional approach to the matters they handle. In the end, my son and my wife also use ONE PLUS services and everything went as well as possible.

26.11.2025

Thank you One Plus!!! For your work, professionalism and high-quality approach to business. I quickly received the decision and now I am waiting for plastic surgery. Thank you very much and highly recommend to everyone!!!

26.11.2025

Thank you ONE PLUS! The help with the documents was professional! Recommended!

26.11.2025

Fast service, polite communication, professional problem solving. Recommended.

26.11.2025

Huge thanks to ONE PLUS for help with the formalities related to re-registering the car! Everything was handled efficiently, quickly and without any hassle. It is a pleasure to work with such professionals!

26.11.2025

I used their service to add my driving licence to the Ministry of the Interior database. Everything went smoothly. I’m happy with it. Thank you!

26.11.2025

They helped me quickly and efficiently re-register my driving licence as a Polish one. Thank you.

26.11.2025

Working with this company was a real pleasure because the services are top-notch! I received a positive decision on my residence permit and can finally breathe a sigh of relief ☺️ Thank you very much 🙏 I definitely recommend them!

26.11.2025

Thank you for the support and care you put into my residence card application. Working with such professionals is a pure pleasure!

27.10.2025

Working with ONE PLUS left nothing but the best impressions! The company operates professionally, responsibly and always looks after the client.

27.10.2025

Thank you very much for sorting out my residence card! Everything went great and I really liked it.

27.08.2025

I’m very grateful to ONE PLUS for helping me get my residence permit. This isn’t the first time I’ve contacted them and, as always, everything is top-notch. I RECOMMEND them.

27.08.2025

I’m happy with the work done; I received the decision within about a month.

27.08.2025

It’s a good company; they invited me in and are constantly helping me with various matters, consultations and legal assistance.

27.08.2025

I’m very happy with this company!!! Everything was quick and well organised!!! I recommend them, very friendly service!!! I was very pleased!!!

27.08.2025

I would like to express my deep gratitude to ONE PLUS for their professional help in obtaining my Legal Card. From the very beginning, the process was organised clearly, quickly and to a high standard.

27.08.2025

Thank you, One Plus! They helped me with my residence card , everything went quickly and without unnecessary formalities. I am very grateful for their help and support. I highly recommend them!

27.08.2025

Thank you very much 🫶🏻 This is the second time I have used your services and I am happy again. Thank you for a 10/10 service.

27.08.2025

Thank you to the specialist Tatyana for her quick help in renewing my driving licence. All the documents were quickly translated into Polish and submitted within one day. I received my Polish driving licence within a week.

27.08.2025

A professional company with an individual approach to the client. Great communication, commitment and flexibility. Definitely recommend!

27.08.2025

Fast, effective and with full commitment. Without this company, I would not have managed the paperwork. Thank you!

27.08.2025

I’m very pleased with the result, everything is top notch. I received my residence card after 10 months. Support and advice from start to finish, the staff really know their job. Thank you very much.

27.08.2025

I want to thank you for your services, the service is of the highest standard. You are the best!

27.08.2025

I would like to sincerely thank ONE PLUS for their professional help in obtaining my residence permit. The team works clearly, quickly and with care for the client. Special thanks go to Mrs Tatyana, the owner of the company.

27.08.2025

Excellent service. The helpful staff are always ready to explain any complicated matters. I would particularly like to single out Tatyana , she provided help and advice right up until I received my plastic card.

27.08.2025

I was looking for advice on setting up a company in Poland. They explained everything to me clearly and simply, and also helped me sort out the paperwork and the finer points. Thank you ☺️

27.08.2025

I’m really happy with the speed and efficiency with which my residence card was processed! Thank you, Tatyana! You’re a magician!

27.08.2025

The best legalisation service in Wrocław ❤️ I recommend it ❤️

27.08.2025
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Clients from different countries

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.

Documentation and certificates

Take a look at our certificates, diplomas, and recommendations
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Our clients

We support those who choose legality, transparency and confidence in migration matters
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Call Mon-Fri 09:00-17:00
+48 71 880 85 08
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