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Tax and accounting services
Nexia Advicero
Nexia Advicero provides tax and accounting services
3
Tax
Tax services
Nexia Advicero provides tax services
1
Accounting
Accounting services
Nexia Advicero provides accounting services
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Nexia Advicero is a professional consulting firm providing tax, accounting, legal, corporate services and payroll services.

Nexia Advicero is a certified tax consulting firm (entry number 454 on the list of the National Chamber of Tax Advisors) employing certified tax advisors, attorneys and legal counselors.

on the Polish market
0 years

Present on the Polish market since 2012 with headquarters located in Warsaw and from 2024 in Poznan.

Nexia Advicero advises Polish and foreign entities investing in the Polish market.

We help you run your business in Poland using the safest tax solutions.

Foreign customer service

We offer our Clients a comprehensive and innovative assistance based on individual, but specialized model of cooperation. We render services adjusted to the needs of our Client and provide a qualified approach to the execution of services, using our professional knowledge and long term experience gained in numerous sectors of the economy.

HR services:

Companies Law

Real Estate

Mergers and Acquisitions

Employment Law

Accounting services

Advicero Nexia provides complex accounting outsourcing of Polish and foreign entities.

Contracts

Energy Law

Tax

We effectively support our clients in making business decisions.

Tax services

Do you need tax advice? We advise on taxes.

Specializations

Explore our range of specialties

Real Estate

Tax advisory for lease contracts (benefits for tenants, settlement of fit-out, compensation for terminating the contract).

Renewable Energy

Advicero’s experts for many years have been delivering advisory to Polish and foreign companies from the renewable energy sector.

Technology and start-ups

We support companies wishing to develop these processes internally or those just planning to introduce them into their structures.

Comprehensive Maintenance of Revenue and Expense Ledgers

We guarantee transparency in billing and the highest quality of services provided.

Transfer pricing documentation and policy

W Nexia Advicero oferujemy kompleksowe usługi w zakresie sporządzania dokumentacji oraz polityki cen transferowych.

Disputes with authorities (VAT) and court proceedings

Creating a reliable strategy of action in tax disputes along with a preliminary assessment of the legitimacy of bearing the costs of proceedings (profitability of entering into a dispute)v

Outsourcing & restructuring of accounting

Ongoing bookkeeping according to Polish Accounting Act

Reporting IFRS, GAAP

Preparation of consolidation reports for capital groups

Due diligence & transaction advisory

When planning a large transaction such as a disposal, acquisition or merger of enterprises, it is important to carefully review all aspects involved.

Excise tax and VAT

We provide our clients with comprehensive VAT and excise tax services to ensure complete clarity and certainty in tax matters.

German Desk

Advicero oferuje dedykowane usługi dla inwestorów pochodzących z krajów niemieckojęzycznych.

Italian Desk

Italian Desk w Nexia Advicero został utworzony po to, żeby skutecznie wspierać włoskich przedsiębiorców w wejściu i ekspansji na polskim rynku.

Cross border VAT

Analysis of the obligation to register for VAT in Poland (the existence of a fixed place of business within the meaning of VAT regulations)

Global Mobility Tax Services / Workation

We offer practical tax and legal advice on aspects of working abroad ( involving secondment) – both from the perspective of the employer and the employee. In this aspect, we offer support in the implementation of the increasingly emerging employee benefit ‘workation’, as well as remote working. We also offer extensive support in the area of payroll services for such employees as well as HR.

VAT OSS and IOSS Procedures

Oferujemy Państwu wsparcie w rozliczeniach podatku VAT w ramach procedury OSS (ang. One Stop Shop) i IOSS (ang. Import One Stop Shop), które stanowią elektroniczny punkt kompleksowej obsługi i uproszczenie dla przedsiębiorców sprzedających towary i świadczących usługi na rzecz konsumentów z różnych krajów unijnych.

VAT Compliance

Kompleksowe usługi w zakresie VAT compliance, które pomogą Państwu utrzymać zgodność z przepisami dotyczącymi podatku VAT w Polsce.

Private Wealth

We specialize in comprehensive tax and legal advisory services for private enterprises, their owners, and family wealth structures.

Our team consists of qualified experts with many years of extensive experience gained through internships in international consulting companies.

Najlepszy specjalista
w Międzynarodowym Prawie Podatkowym

Katarzyna Klimkiewicz-Deplano

Partner Zarządzający, Doradca Podatkowy

Sławomir Patejuk

Tax Partner

Mirosław Siwiński

Partner, Tax Adviser, Legal Counsel

Aneta Bugalska

Accounting & Payroll Partner

Dorota Jędrysiak

Accounting Partner

Katarzyna Koszel-Zawadka

Legal Partner, Attorney-at-law

Recommended specialist at CIT

Agnieszka Kosicka

Senior Tax Manager, Tax Adviser, Legal Counsel


Recommended specialist in PIT

Adam Barcikowski

Tax Manager, Tax Adviser

Ewelina Zaręba-Siedlecka

Tax Manager

Tomasz Kotoliński

Tax Manager

Izabela Gutowska

Tax Manager

Paulina Marcula-Kurek

Payroll Manager

Magdalena Kocięba

Accounting Manager

Joanna Miklaszewska

Accounting Manager

Barbara Kostyna-Górnik

Senior Associate, Advocate

28.01.2026

Nexia Advicero | Tax Update | January 2026

KSeF: current regulations and upcoming changes affecting an increasing number of companies!...
13.01.2026

Nexia Advicero Expands Its Legal Team – New Partner and Lawyers to Join as of January 2026

Nexia Advicero, an advisory firm specializing in tax advisory and accounting services,...
16.12.2025

Merry Christmas

Dear Clients and Friends, Thank you for your trust and our cooperation...
06.03.2026

Arrival in Poland – when and how to settle income? General principles

More and more specialists, managers and employees from abroad decide to relocate...
02.03.2026

The never-ending revolution in spatial planning – limiting the possibility of obtaining zoning decisions?

The Ministry of Development and Technology is working on a draft amendment...
10.02.2026

TPR Information – How to Prepare It?

Transfer pricing has long been one of the most sensitive and closely...