
Overview
Arena Tax is a company that provides tax advisory services, accounting, legal consulting, transfer pricing, and payroll management. They support both Polish and international businesses with tax compliance, interim management, and the implementation of ERP, BI, and CRM systems to enhance profitability and automate processes. Additionally, they offer services related to corporate law, compliance, and regulatory advice.
Financials
Revenue history (in k)
Data and insights are generated automatically based on financial statements and may contain errors. This analysis is for informational purposes only and does not constitute an official assessment of the company's credibility or business advice.
Statistics
How the company ranks by revenue within its industry, region and across Poland in 2025.
Results vs industry
News

Strength in Group: R&D in the Tax Capital Group

Webinar: Investment Zone 2026: SSE Expiry and New WNI Rules + How Not to Lose Tax Relief Profitability

Transfer Pricing in 2026 – Key Deadlines and Obligations for Tax Year 2025

Webinar: Income Taxes: EC Initiatives on WHT and R&D Relief and Possible Business Implications

Arena Tax Again Among the Best Tax Advisory Firms – ITR Europe Tax Awards 2026

Webinar: PIP Inspections in 2026: Can PIP Turn Your B2B into Employment?
Industry
Bank accounts
Registered as a VAT taxpayer on 2012-05-26. Active
73 1050 1012 1000 0090 3140 5450
60 1050 1012 1000 0090 3140 5393
90 1050 1012 1000 0090 3140 5435
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
5 public aid cases recorded, with a total value of $92,072.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jun 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $2,581 | Prezes Zakładu Ubezpieczeń Społecznych | |
| Jun 9, 2020 | Other crisis aid | $10,161 | Prezydent Miasta Stołecznego Warszawy | |
| May 30, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $6,772 | Prezes Zakładu Ubezpieczeń Społecznych |
Tenders
No recorded participation in tenders.
Authorized Representatives
Manner of representation
Each member of the management board is authorized to make declarations on behalf of the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Edyta Katarzyna Musielak (48) | 50 | $1,350.62 | 10% |
Michał Adam Musielak (48) | 450 | $12,155.59 | 90% |
Michał Adam Musielak and Edyta Katarzyna Musielak hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Michał Adam Musielak (48) | Shareholder of a limited liability company, 45000.0 PLN |
Competitors
| Name | Revenue | Website | |
|---|---|---|---|
| UHY Eca Audytsp. z o.o. | $8,662,230.02 | uhy-pl.com | |
| Taxcoachsp. z o.o. | $2,573,906.94 | taxcoach.pl | |
| ARPI & Partnerssp. z o.o. | $2,282,788.68 | arpi.com | |
| At-Akceptsp. z o.o. | $2,259,129.64 | at-akcept.szczecin.pl | |
| Kancelaria Staniek&PartnersS.K.A. | $2,187,467.60 | staniekandpartners.pl | |
| UHY Eca Outsourcingsp. z o.o. | $1,816,023.48 | uhy-pl.com | |
| Arkudasp. z o.o. | $1,545,445.75 | arkuda.pl | |
| BIZ Partnersp. z o.o. | $1,388,715.67 | bizpartner.pl | |
| SMW Tax Advisorysp. z o.o. | $1,196,770.42 | smw-taxadvisory.pl | |
| UHY Eca Taxsp. z o.o. | $746,916.33 | uhy-pl.com |
Change history
| Date | Event |
|---|---|
| 2024-07-31 | Address change (Bukowińska 22b, 02-703, Warszawa → Ul. Puławska 180, 02-670, Warszawa) |
| 2016-08-12 | PKD change (Removed: 69; Added: 69.10.Z, 69.20.Z) |
| 2014-10-07 | Address change (Al. Niepodległości 124, 02-577, Warszawa → Bukowińska 22b, 02-703, Warszawa) |
| 2012-05-16 | Entered in the register |
FAQ
Last updated: 2026-06-12