International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement


Quick facts
Languages

English, Polish

Network memberships

Allinial Global

# Total number of lawyers

60

# Other qualified practitioners

51

# Partners

9

Key practice areas
General corporate tax
Tax
Tax controversy
Transfer pricing
Firm overview

ALTO is one of the fastest growing advisory firms in Poland. We render professional services in the areas of Tax, Accounting & Payroll, Risk Advisory, ESG as well as Technology in Tax Services.

We have extensive experience advising international businesses from a wide variety of industries. As a member of one of the largest international associations of advisory and accounting firms, Allinial Global, we also work with leading foreign consulting firms. As a result, we provide the highest quality services in all aspects related to the international activities of companies. When dealing with our Clients, our focus lies on partnership and maintaining good, long-term relations.

We have been working for our Clients since 2011. Since then, we have steadily expanded our team of advisors and the range of services offered. We specialise in advising companies from 8 sectors: real estate, financial services, PE/VC, insurance, technology, healthcare/life sciences, energy and logistics. Our tax services encompass a wide scope of advisory, with a focus on corporate taxes, transfer pricing, dispute resolution, personal tax services, tax reliefs (such as R&D relief) and real estate tax.

As of today, our team consists of ca. 170 tax and legal advisors, certified accountants and other professionals who proactively assist our Clients on every step of their business path, in order to give them the best client experience on the market.  

The strength of our professionals and our undisputed growing market position have been repeatedly confirmed in major international and local rankings over the last 14 years.

Get to know us better at www.altoadvisory.pl/en/

Connect with us
Key Practice Areas
  • Arbitration
  • Audit defence
  • Audit support
  • Business model optimisation
  • Business restructuring
  • Controversy management
  • Corporate taxes
  • Cost-sharing arrangements
  • Cross-border project management
  • Dispute resolution
  • Economic modelling
  • International tax planning
  • IP management
  • Litigation
  • Restructuring
  • Tax consulting
  • TP policy design
  • TP risk management
  • Transactions
  • VAT
Key practice contacts & recent matter highlights

Aneta Grzyb
TP policy design
agrzyb@altoadvisory.pl
 
Sylwia Kulczycka
Tax consulting
skulczycka@altoadvisory.pl
 
Aleksandra Bońkowska
Corporate taxes
abonkowska@altoadvisory.pl

Sector Expertise
  • Banking
  • Energy
  • Financial services
  • Gaming
  • Healthcare
  • Insurance
  • Pharmaceutical and life sciences
  • Real estate
Address:
Gdański Business Center Poland
Inflancka 4b, Building C
00-189 Warsaw
Tel:+48 22 652 27 51 Email:Contact Us Web Address:https://altoadvisory.pl/en/
2026 Edition
General corporate tax
Tier 3
47 firms ranked
View full list

Tier 1

Crido Taxand
6 practice areas
View profile
Deloitte
7 practice areas
View profile
EY
7 practice areas
View profile
KPMG
7 practice areas
View profile
MDDP Michalik Dłuska Dziedzic i Partnerzy
6 practice areas
View profile
PwC
7 practice areas
View profile

Tier 2

Baker McKenzie
6 practice areas
View profile
Dentons
6 practice areas
View profile
Domański Zakrzewski Palinka
6 practice areas
View full profile
Grant Thornton
6 practice areas
View profile
SSW Spaczyński Szczepaniak Wickel Goździowska
5 practice areas
View profile

Tier 3

ALTO Tax
4 practice areas
View full profile
CMS
6 practice areas
View profile
Greenberg Traurig - Poland
5 practice areas
View profile
InnsideTax
3 practice areas
View profile
Martini & Co
3 practice areas
View profile
Radzikowski Szubielska & Wspólnicy
6 practice areas
View profile
Rymarz Zdort Maruta
4 practice areas
View profile
Sołtysiński Kawecki & Szlęzak
5 practice areas
View profile
Tax & Art
6 practice areas
View profile
Tomczykowski Tomczykowska
5 practice areas
View profile
Wardyński & Partners
6 practice areas
View profile

Tier 4

Arena Tax
6 practice areas
View profile
Clifford Chance
5 practice areas
View profile
DLA Piper
6 practice areas
View profile
KDCP
2 practice areas
View profile
Kochański & Partners
6 practice areas
View profile
Linklaters
5 practice areas
View profile
Marciniuk & Partners
2 practice areas
View profile
Norton Rose Fulbright
4 practice areas
View profile
Olesiński & Wspólnicy
6 practice areas
View profile
Penteris
6 practice areas
View profile
PragmatIQ Kancelaria Prawna
4 practice areas
View profile
Rödl & Partner
6 practice areas
View profile
Sendero Taxexperience
2 practice areas
View profile
White & Case
3 practice areas
View profile

Tier 5

A&O Shearman
3 practice areas
View profile
Advicero Nexia
5 practice areas
View profile
Andersen
6 practice areas
View profile
Gide Loyrette Nouel
2 practice areas
View profile
K&L Gates
2 practice areas
View profile
LegalKraft
2 practice areas
View profile
NGL Tax
3 practice areas
View profile
Podatki Na Zdrowie
3 practice areas
View profile

Other notable

AJ Żmuda-Trzebiatowscy Doradztwo Podatkowe
6 practice areas
View profile
BM Lawyers
4 practice areas
View profile
Enodo Advisors
5 practice areas
View profile
Tax controversy
Tier 3
24 firms ranked
View full list

Other notable

Rymarz Zdort Maruta
4 practice areas
View profile
Rödl & Partner
6 practice areas
View profile
Tax & Art
6 practice areas
View profile

Tier 1

Baker McKenzie
6 practice areas
View profile
Crido Taxand
6 practice areas
View profile
Deloitte
7 practice areas
View profile
KPMG
7 practice areas
View profile
MDDP Michalik Dłuska Dziedzic i Partnerzy
6 practice areas
View profile
PwC
7 practice areas
View profile

Tier 2

ATNEO Doradztwo Cło Podatki Prawo
5 practice areas
View full profile
CMS
6 practice areas
View profile
DLA Piper
6 practice areas
View profile
Dentons
6 practice areas
View profile
EY
7 practice areas
View profile

Tier 3

ALTO Tax
4 practice areas
View full profile
Domański Zakrzewski Palinka
6 practice areas
View full profile
Enodo Advisors
5 practice areas
View profile
Greenberg Traurig - Poland
5 practice areas
View profile
Kochański & Partners
6 practice areas
View profile
Olesiński & Wspólnicy
6 practice areas
View profile
Radzikowski Szubielska & Wspólnicy
6 practice areas
View profile
SSW Spaczyński Szczepaniak Wickel Goździowska
5 practice areas
View profile
Sołtysiński Kawecki & Szlęzak
5 practice areas
View profile
Tomczykowski Tomczykowska
5 practice areas
View profile
Transfer pricing
Tier 2
25 firms ranked
View full list

Tier 1

Crido Taxand
6 practice areas
View profile
Deloitte
7 practice areas
View profile
EY
7 practice areas
View profile
KPMG
7 practice areas
View profile
MDDP Michalik Dłuska Dziedzic i Partnerzy
6 practice areas
View profile
PwC
7 practice areas
View profile

Tier 2

ALTO Tax
4 practice areas
View full profile
Andersen
6 practice areas
View profile
Arena Tax
6 practice areas
View profile
Baker McKenzie
6 practice areas
View profile
Dentons
6 practice areas
View profile
Grant Thornton
6 practice areas
View profile

Tier 3

AJ Żmuda-Trzebiatowscy Doradztwo Podatkowe
6 practice areas
View profile
CMS
6 practice areas
View profile
Domański Zakrzewski Palinka
6 practice areas
View full profile
Linklaters
5 practice areas
View profile
MVP Tax
3 practice areas
View profile
Rödl & Partner
6 practice areas
View profile

Tier 4

DLA Piper
6 practice areas
View profile
Magnusson
5 practice areas
View profile
Penteris
6 practice areas
View profile
Wardyński & Partners
6 practice areas
View profile

Other notable

Kochański & Partners
6 practice areas
View profile
Olesiński & Wspólnicy
6 practice areas
View profile
Radzikowski Szubielska & Wspólnicy
6 practice areas
View profile
Overview

The Polish consulting firm has a comprehensive tax practice with dedicated teams that cover specific areas: R&D tax, litigation, and personal tax services. Other tax service offerings include transfer pricing, tax structuring, expert witness, and more. The tax partners spearheading the tax practice are Sylwia Kulczycka, Aleksandra Bońkowska, Tobiasz Dolny, and Daniel Banach 

The R&D tax team’s in-depth knowledge of regulatory frameworks and business processes has garnered trust from large Polish companies and corporations, to guide them on tax implementation and optimisation of R&D tax relief.  

Alto Litigation team specialises in complex high-value cases where intricate legal nuance and business strategy are crucial. The team’s combination of tax advisers, legal counsels, and financial experts together offers a well-rounded team to provide innovative solutions and gain precedential rulings. Tax areas covered are, but not limited to,  income tax, VAT, real estate tax, and withholding tax, often involving multi-million Euro exposures.  

The Personal Tax Services team, led by Sylwia Kulczycka, has strengthened its presence in insurance, outsourcing, and transport over the years with its tailored, impactful tax solutions for a range of clients in various industries. The team’s peculiar approach involves a synergy of interdisciplinary and a flexible system focusing on assisting foreign companies with inbound investments and not only on global mobility.  

Client feedback

“Alto Poland's knowledge and staff helped us when the company was in a very complicated situation. Alto is a really professional company with very pleasant staff to work with.” 

“Professional attitude, direct and clear communication, very responsive, high quality of services, competitive prices.” 

“All contacts with ALTO are very professional and teams dedicated to certain field of expertise are top quality in terms of communication and service provided.” 

“Pro-active and pro-business approach, great client service, amazing competencies in the tax field, great value for money” 

“Alto team consists of people who are specialists in various fields, so depending on the needs, they can support companies in various areas of law, accounting or taxes. They are characterized by the ability to be very comprehensive, very efficient and substantive.” 

Tax advisers from ALTO are easily reachable, always helpful, open for discussions. They provide professional tax advisory services and always deliver high-quality deliverables. For good price.”

Linked Reviews
Tax

ALTO Tax is a market-leading expert within the ALTO Group, one of Poland's largest consulting businesses, offering complete advisory and outsourced services across four Service Lines including Tax, Legal, Accounting & Payroll, and Technology. The company has approximately 160 workers and over 110 experienced professionals including tax consultants, advocates, attorneys-at-law, and certified accountants. Sylwia Kulczycka is a key member of the team.

Throughout the research period, the team advised a real estate corporation on the acquisition of assets and non-assets from another entity in the same industry. Furthermore, the team assisted the owners of REMER ,a leading provider of telecommunications solutions on the acquisition of 100% of its shares by Cellnex Poland, a subsidiary of the Spanish Cellnex Group , a leading operator of wireless telecommunications infrastructure in Europe.

Rafał Tołwiński , Partner, and Piotr Szeliga, Manager from E&Y joined the company in 2022, while Piotr Wołkowicz , Senior Manager, and Karolina Donowska Senior Manager left for Deloitte and PwC, respectively.

Client feedback

“I very much appreciate the skills and approach to tax litigation of the key person in this area at their firm - manager Dominik Niewadzi.”

“Opinions are always well prepared and supported by consultations and clear explanations and an action plan.”

“They answers for any questions quickly and completely. The reviews are comprehensive.”

“Good price for high level value.”

“Great support on negotiations on tax clauses and possible tax burden effects after the acquisition.”

“Understanding of customer / industry needs. Tailor-made service.”

“ALTO has a very good knowledge about the tax issues plus an experience in the insurance sector.”

“Comprehensive report with immediate response for all questions.”

“Knowledge of the specifics of the insurance market. Effectiveness  (won court cases).”

“ALTO won the case.”

“Professional, Pro-active, Expertise.”

“Professionalism, expertise, proactivity, communication.”

“ALTO for our question respond quickly which is important for us to do business to make decision on time. ALTO provide us and sent alerts when the low are changing and knowing us as a company describe the most important regulation which can be influence on our business. In Poland for past few years low changing in every month therefore it is important to be informed on time.”

“Searching for best solutions and recommendations in the world of uncertainty.”

Sponsored

Sponsored

should have bg #f6f8fb but is leaving an artifact