Sourced guides to doing business in each market, and the status of every service there. Partners are in place in 35 markets so far.
One WONE Global Partner for each service in each market. Start from what you need to do, or go straight to a service.
Describe what you need. WONE Global names the service and the professional before any work begins.
Bring a requirement →Licences, value chains and the questions businesses in each industry ask first, with the services that usually apply.
What one country changes for the other, worked journeys step by step, and who handles each side.
When cross-border business becomes a dispute, UNIONE™, also part of the UNBOUNDED™ Global Ecosystem, prevents it, resolves it, arbitrates it and plans enforcement. 334 Fellows in 58 countries.
41 jurisdictions, each with primary sources and the date last checked.
Named senior professionals, each admitted as the one firm for a service in their country, and the firms they lead.
One Partner per service, per jurisdiction, admitted by review against published criteria.
Every statement is labelled: source-checked, professionally reviewed or not yet checked, with its source and date where checked.
Answers cite WONE Global's sourced statements and show how each one was checked. Research, not advice.
Accomplished regional specialists and international cross-border intelligence, across 100 countries, with one contact and one published Standard.
Poland × Technology, Data & Cyber
Data, cyber and technology rules for running a digital business internationally. In Poland, that means local law, local regulators and local practice, handled by a qualified professional who practises there.
On request
No WONE Global Partner holds this yet. Send us your requirement: WONE Global confirms whether a vetted Associate firm can act, tells you who it is and checks for conflicts before any work begins.
Bring a requirement →Warsaw · Tuesday 3 November
19:57
Local time
What the rules say in Poland
From the Poland market guide: the points that matter most for technology, data & cyber, each with the source it was checked against.
Essentials guide · Source-checked research100% of statements checked against a source41 checked against an official source7 checked against a secondary sourceChecked 2026-10-19Not yet professionally reviewed
Structured invoicing through the National e-Invoice System (KSeF) has been mandatory since 1 February 2026 for taxpayers with 2024 turnover above PLN 200 million, from 1 April 2026 for other VAT taxpayers as a rule, and from 1 January 2027 for taxpayers with monthly sales up to PLN 10,000.
VAT taxpayers issuing invoices.PwC Worldwide Tax Summaries · checked 2026-10-19The Personal Data Protection Office (UODO), headed by its President, is Poland's data protection authority and applies Regulation (EU) 2016/679 (GDPR).
Processing of personal data in Poland.Personal Data Protection Office (UODO) · checked 2026-10-19Personal data breaches must be notified to the President of UODO in Polish, through biznes.gov.pl, the ePUAP electronic inbox or by post.
Controllers with a notifiable breach.Personal Data Protection Office (UODO) · checked 2026-10-19Under the GDPR a controller should notify a personal data breach to the supervisory authority without undue delay and, where feasible, not later than 72 hours after becoming aware of it.
Applies to Poland as an EU member state.EUR-Lex (Publications Office of the European Union) · checked 2026-10-19Taxpayers are required to keep accounting ledgers in electronic form and report them as JPK_CIT, with first reporting for the 2025 tax year originally due on 31 March 2026 and a December 2025 draft proposing 31 July 2026 for entities keeping full books.
CIT taxpayers keeping books.PwC Worldwide Tax Summaries · checked 2026-10-19Read the full guide: Data protection, cyber security and e-invoicing
Scope
Key questions
If your work involves another country or another area of expertise, WONE Global brings in the right professional and keeps all advisers informed.
WONE Global Partners in Poland
No named lead for Technology, Data & Cyber yet — these WONE Global professionals already work in Poland and can bring the right local colleague in.
Kraków · PolandWONE Global Partner · Poland
Complete profile
Attorney at Law. Co-founder of the law firm. Provides litigation services to banks and advises corporate clients in international trade. Supervises the work of the Litigation Department and the International Desk. Chair…
Kraków · PolandWONE Global Partner · Poland
Legal Adviser. Co-founder of the Firm. Has been advising parties on technology contracts for more than a dozen years. Specialises in intellectual property law and new technologies. Provides day-to-day legal services to …
Also in Poland
Appointed services show their named professional. Open positions link directly to the Expression of Interest form.
Cases
The cases this service leads or joins, each with what is at stake, how WONE Global handles it and who handles it in Poland.
WONE Global Intelligence
Ask in your own words. Answers come from WONE Global's checked records, with every source shown, and end with the named Partner who can act. Go deeper on any point, or build a decision file.
Contact WONE Global
Save your questions, decisions and WONE activity in one account.
Forgot your password? Reset it securely.
Partner workspaces are for Partner firms. Explore partnership →
