ABOUT US
DISCOVER OUR STORY
Thompson&Stein Law Firm
Thompson&Stein Law Firm was established in 2014 through the merger of KKP Law Firm, which had been operating in the Polish market since 2008, with the newly formed Thompson&Stein group.
2014
Our First Office
Thompson&Stein’s first office was established in Warsaw. In 2015, the firm expanded internationally by opening its first overseas office in Malta.
2015
Estonian Office
In 2016, Thompson&Stein established its Estonian office, providing comprehensive services for entrepreneurs, primarily foreigners, conducting business in Estonia.
2016
Accounting Services in Estonia
Thompson&Stein expanded its operations to include in-house accounting services in Estonia. This market entry was achieved by acquiring the client portfolio of previous subcontractors.
2018
Accounting Services in Poland
Thompson&Stein began offering commercial accounting services in Poland. From that point on, clients have been served by the newly established in-house accounting office.
2019
Lithuanian Office
In 2020, Thompson&Stein opened an office in Lithuania, one of the strategic markets in the CEE region. From the start, the office has offered legal, accounting, and advisory support.
2020
Latvia and Slovakia
Starting this year, Thompson&Stein services are available in all Baltic countries as well as in Slovakia. As a result, dedicated regional offices are being established in both countries.
2024
U.S. Operations
Thompson&Stein opens offices in the United States. The firm becomes a licensed Registered Agent in Delaware and Wyoming.
2025
MEET THE PILLARS OF OUR TEAM
ZUZANNA
PRAISS
I am responsible for managing our new clients and overseeing responses to all your inquiries. Thanks to my efforts, we have reduced response time to a maximum of 24 hours.
MARYNA
BUŁAWA
I am responsible for coordinating the accounting departments in all the countries where we operate. Regardless of the jurisdiction, I am your first point of contact.
ADRIANA
ANTOŃCZAK
I coordinate the work of our lawyers in all countries on a daily basis, prepare documents, and just in case, I always have my suitcase packed and ready for travel. Multitasking is my expertise.
ARTUR
KUCZMOWSKI
I focus on growth, offer support, and put out fires. I’m proud of my team, who handles the impossible on the spot, and makes miracles happen in just a little longer.
HOW WE WORK AND WHAT WE DO
Thompson&Stein is a law and advisory firm operating across Poland, the European Union, and the United States. For over 10 years, we have supported entrepreneurs with company formation and compliance in jurisdictions such as Estonia, Lithuania, Poland, Slovakia, Delaware, and Wyoming. Our services include company registration, accounting, tax compliance, licensing, and cross-border structuring.
We are a licensed Registered Agent with physical presence in both Delaware and Wyoming. We ensure full IRS compliance for U.S. entities, including preparation of Form 5472 and pro forma 1120 for foreign-owned LLCs. In Estonia, we assist with e-Residency applications and the registration of Alternative Investment Funds (AIF). We also support EU-based businesses with international ownership and regulatory requirements.
Each client is assigned a dedicated advisor. We do not use bots, automation tools, or intermediaries. Our team responds quickly, often within the same business day.
You can book an online meeting with one of our legal or tax advisors. New clients are welcome to a free 15-minute consultation focused on company setup, accounting, or business structuring. Longer consultations are available as paid sessions—either online or in person.
LEARN MORE
If you'd like to learn more, please send us the form. It will be forwarded to our customer support team, and we guarantee that we will respond to your inquiry within 24 hours (on business days).
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We support company formation and compliance in Poland, the European Union, and the United States — including Estonia, Lithuania, Delaware, and Wyoming.