Tax

In a world of constant change - an advantage that provides certainty

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Tax is one of the most dynamic areas of law - it is subject to constant legislative, interpretive, and international changes. In this environment, the ability to anticipate and adapt quickly is crucial. Our team not only responds to changes but also actively shapes and manages them.

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We provide our clients with stability and predictability through:

• ongoing monitoring of regulatory changes and tax authority practices,
• designing dispute-resistant tax structures,
• implementing compliance solutions,
• uilizing technological tools and a Tax Tech approach.

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We take a process-oriented and interdisciplinary approach - from planning through implementation to managing the adopted solutions and representing clients before tax authorities and courts in defending the solutions we’ve implemented.

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Sectors

We advise entities operating in the most demanding and heavily regulated sectors of the economy, in particular:

• financial institutions and fintech
• the real estate and infrastructure investment sectors
• technology companies, e-commerce firms, and developers of digital technologies, AI, and data-driven solutions for healthcare and other sectors of the economy
• the industrial sector, including the food and chemical industries
• the FMCG and distribution industries, including e-commerce
• healthcare and life sciences
• the energy sector, including renewable energy and the raw materials sector
• investment funds and private equity
• the automotive, aviation, and transportation industries.

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Our sector expertise allows us to precisely identify risks and design solutions tailored to our clients’ operational models.

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Our Team

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Quality, Scale, Experience

• The team consists of recognized subject-matter experts and market leaders - tax advisors, attorneys, and legal counsel with many years of experience,
  
  • experts with experience in international advisory firms and financial institutions,
  • experts with exceptional track records in complex tax matters,
  • who are regularly ranked in the highest team and individual categories of international rankings such as Legal 500, Chambers, and International Tax Review, as well as local rankings (Dziennik Gazeta Prawna).
• We enhance our expertise in international taxation through our membership in numerous specialized organizations, such as the European VAT Club, the European Counsels Customs Network, the International Fiscal Association, and the CIT Club.
• Clients highlight the exceptional quality of our advice, our professionalism, our efficiency, and our interdisciplinary approach to the most challenging cases - an approach that also stems from leveraging the knowledge and experience of the firm’s legal and regulatory teams.

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Thanks to our scale:

• we handle comprehensive domestic and cross-border projects,
• we handle high-value and complex cases,
• we ensure continuity and efficiency even in the most demanding processes,
• we combine tax services with a strategic consideration of other legal and regulatory implications.

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Our Approach - How Do We Help?

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Interdisciplinary, integrated support as real value

Our practice operates in an integrated manner with other specialized teams within the firm. This allows us to offer clients comprehensive, consistent support that combines tax, legal, regulatory, and business aspects.

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This enables us, among other things, to:

• manage end-to-end projects,
• develop coherent tax and corporate strategies,
• effectively manage risk,
• coordinate complex transactional processes and disputes.

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Strategic Matters and Advisory Services for Decision-Makers

We specialize in handling projects of the highest business importance - large transactions, major disputes, and strategic tax decisions.

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In such situations, we provide:

• direct support for management boards and CFOs, investors, and entrepreneurs,
• strategic and holistic advice, not merely interpretive,
• solutions that translate into concrete financial results,
• full discretion and control over the process,
• tax and legal security,
• support for clients’ decision-making processes.

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Our recommendations are measurable - they help optimize costs, mitigate risk, and protect our clients’ reputations, while maximizing decision-making confidence for management teams and owners.

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A Full Spectrum of Services

We offer support in all key areas of tax law, in particular:

• income taxes (CIT, PIT) and business structuring,
• VAT, excise taxes, customs law, and foreign exchange regulations,
• transfer pricing and group policies, including benchmark analyses and support with valuations,
• international tax law and cross-border projects,
• local taxes (including property tax),
• M&A, restructuring, and tax due diligence,
• tax proceedings and litigation,
• compliance (MDR, TP, reporting, procedures),
• tax incentives (R&D, IP Box) and investment support,
• advisory services for the financial sector and financial transactions,
• private clients, succession planning, and family foundations,
• mobility,
• other.

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Partnership and Results

Clients who choose SK&S benefit from:

• a team that understands the realities of their industry,
• support throughout the entire project lifecycle,
• solutions that can be implemented in business practice,
• a long-term partnership, not a one-time service.

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We combine experience, innovation, and accountability for results. Thanks to this, we not only solve tax problems but also support business growth and help clients make safe, informed decisions.

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What do we do?

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New Technologies and the Digital Economy

We advise on the taxation of business models based on new technologies, including international digital platforms, e-commerce, electronic services, and fintech. We also support projects utilizing artificial intelligence. We work with domestic and global entities operating in the digital economy.

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Personal Income Tax

We support investors, entrepreneurs, and executives with domestic and international aspects of income taxation. We advise on matters such as CFC rules, secondments, changes in tax residency, and exit taxes.

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M&A and Restructuring

We provide comprehensive tax advisory services for domestic and cross-border transactions and restructurings - from planning and due diligence to implementation and post-transaction support.

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Tax Proceedings

We represent clients in tax disputes at all stages - from audits to proceedings before administrative courts. We handle complex and precedent-setting cases covering key areas of tax law.

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Financial Transactions

We advise on the taxation of financing, the issuance of financial instruments, and intra-group structures. We have particular expertise in the banking and financial sectors.

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Regulatory Matters

We participate in the drafting and review of tax regulations. We support clients in legislative processes and in interpreting new regulations.

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Compliance

We provide support in the area of tax compliance, including audits, reporting, and the implementation of procedures (MDR, TP, CRS/FATCA).

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We prepare documentation and assist clients in their dealings with tax authorities to obtain tax rulings, tax rate information, protective opinions, and APAs.

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VAT, Excise Tax, and Customs

We advise on day-to-day and complex VAT, excise tax, and customs duty filings, particularly in international transactions and supply chains, as well as on optimizing VAT filings for financial services.

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Private Client

We serve private investors and entrepreneurs, including in cross-border projects. We advise on succession planning, asset structures, and family foundations.

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Customs and Foreign Exchange Law  

We advise on customs and foreign exchange regulations.

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Regulations and Legislation

We participate in legislative processes and advise on the application of new regulations.

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Sustainability (ESG) and Taxes

We consider the impact of taxes on ESG - we provide support in the areas of tax transparency, reporting, and the use of tax credits.

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Technology, Innovation, and Taxes (Tax Tech)

We use analytical tools and technological solutions to identify risks and model tax implications. This allows us to provide more precise advice and make more predictable decisions. We utilize modern analytical tools (Tax Tech).

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Training

We conduct training sessions on changes in regulations, tax authority practices, and their impact on our clients’ operations.

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International Taxation

We advise on complex cross-border tax issues, including corporate income tax (CIT), withholding tax (WHT), Pillar 2, and VAT. We coordinate international projects and support clients operating in multiple jurisdictions.

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Achievements

“The team is extremely dedicated, available, and approachable. The level of professionalism and no-nonsense advice is great. You get clear and practical advice.” – Tax respondent / Chambers and Partners Europe 2026

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“The lawyers at Sołtysiński Kawecki & Szlęzak are able to anticipate potential problems and resolve them quickly. They present their arguments in a convincing and logical manner.” – Tax respondent / Chambers and Partners Europe 2026

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“SKS lawyers have excellent technical skills which, together with their ability to adapt to different business models, enable them to provide creative solutions.” – Tax respondent / Legal 500 2026

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“High standards and professional conduct. Fully engaged in the project, always ready to respond and provide support.” – Tax respondent / Legal 500 2026

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The Partner of Choice for the Most Demanding Projects