A Warsaw-based IT services company had structured its entire development team on B2B contracts. Forty-three specialists invoiced the company monthly. No employment contracts existed. Then, in January 2026, the National Labour Inspectorate (Państwowa Inspekcja Pracy, PIP) opened a targeted audit following a tip from a former contractor.

Polish labour law allows PIP inspectors to reclassify B2B arrangements as employment relationships where the economic and organisational features of employment are present – regardless of what the contract is called. A reclassification finding exposes the company to back-payment of social contributions, income tax surcharges, and personal liability of board members. PIP's expanded enforcement powers in 2026 include the authority to issue binding reclassification orders without waiting for a court ruling.

This case study traces how the company identified its exposure, restructured its contractor arrangements, and avoided a reclassification order. The lessons apply to any Polish entity using B2B contracts for core operational staff – including foreign investors entering Poland for the first time.

What triggered the PIP audit?

PIP did not act at random. A former contractor had submitted a whistleblower complaint under the Whistleblower Protection Act (ustawa o ochronie sygnalistów), which came into full force in mid-2024. The complaint alleged that contractors worked fixed hours, used company equipment, and attended mandatory daily stand-ups. Each of these features points directly toward an employment relationship under the Kodeks pracy (Labour Code).

The inspector arrived with a broad mandate. PIP inspectors in 2026 carry authority to demand access to contractor invoices, internal communications, project management logs, and HR records – all within 7 days of the request. Refusal or obstruction triggers a separate administrative fine of up to PLN 30,000. The company had no coordinated response plan and initially handed over unredacted Slack logs, which confirmed daily task assignments by line managers.

Three indicators sealed the inspector's preliminary assessment. First, contractors had no other clients – their entire revenue came from this one company. Second, the company's own project documentation listed them as "employees" in internal org charts. Third, contractors had been working under the same arrangement for over 3 years without renegotiation.

  • Fixed working hours logged in the company's attendance system
  • Company-issued laptops and software licences
  • Single-client dependency for the full contract period
  • Mandatory participation in company-wide HR processes
  • Internal org-chart classification as "team members"

Our team was engaged on the fifth day after the inspection opened. We secured a short extension – 14 additional days – to prepare a structured legal response before the inspector issued a formal reclassification recommendation.

How did the legal strategy address reclassification exposure?

The core strategic question was whether to contest the reclassification finding or to negotiate a prospective restructuring in exchange for a reduced penalty assessment. Given the documentary evidence already disclosed, a full contest carried high litigation risk. The more defensible path was a hybrid approach: acknowledge the structural issues, demonstrate immediate remediation, and challenge the scope of back-liability.

We identified 18 contractors whose arrangements showed the strongest employment indicators. For 12 of them, the company agreed to offer employment contracts within 30 days – a timeline PIP accepted as a good-faith remediation commitment. The remaining 6 contractors had genuinely independent profiles: multiple clients, their own business infrastructure, and discretion over working methods. We prepared separate legal opinions for each, documenting the independence criteria under Labour Code doctrine.

We obtained interim measures protecting assets worth over EUR 1.2m for the company in the Mazowieckie region (winter 2026). This prevented PIP from pursuing immediate enforcement against company accounts while the remediation plan was being implemented.

The back-liability question centred on social contribution arrears. The Social Insurance Institution (Zakład Ubezpieczeń Społecznych, ZUS) calculates contributions from the date the employment relationship is deemed to have commenced – which can reach back up to 5 years. We argued successfully that the look-back period should be limited to 2 years on procedural grounds, reducing the estimated exposure from PLN 4.1m to approximately PLN 1.6m.

For foreign investors considering similar structures, our global mobility guide on relocating employees to Poland sets out how employment classification intersects with work permit Poland requirements and EU Blue Card eligibility – a dimension that becomes critical when contractors hold non-EU residency status.

What are the transferable lessons for B2B structures in 2026?

The 2026 enforcement cycle marks a shift. PIP received additional budget and headcount in the January 2026 budget allocation, with a stated focus on IT sector B2B arrangements. Inspections are no longer reactive – PIP cross-references ZUS contribution data, tax authority (Urząd Skarbowy) filings, and whistleblower reports to build target lists proactively. Any company with more than 10 B2B contractors should treat a PIP audit as a question of timing, not probability.

Board members face personal liability if reclassification is confirmed and the company cannot meet the resulting ZUS arrears. This is an irreversible consequence – directors cannot shelter behind the corporate form once PIP issues a binding order. The risk is not theoretical. An employment lawyer Warsaw-based practitioners consult regularly will confirm that PIP orders issued in 2025 and early 2026 have already named individual board members in enforcement proceedings.

We secured a restructuring outcome for a Silesian manufacturing client facing a similar B2B audit (spring 2026), reducing its reclassification exposure from PLN 3.8m to PLN 900,000 by documenting genuine contractor independence across 9 arrangements. The key differentiator was pre-existing written evidence of multi-client activity and contractor-side investment in tools.

What to prepare before a PIP inspection arrives:

  • Contractor independence file: other clients, own equipment, own premises
  • Review of internal documentation for "employee" language applied to contractors
  • ZUS contribution mapping for each contractor relationship
  • Whistleblower channel compliance check under the Whistleblower Protection Act

Companies with cross-border structures should also review their corporate governance framework in Poland and assess whether board-level exposure has been properly documented. For entities with operations in multiple EU jurisdictions, our employment practice covering France illustrates how reclassification doctrine differs across member states – a relevant comparison for multinationals managing pan-European contractor pools.

The fundamental lesson is structural, not procedural. B2B arrangements that replicate employment in substance will not survive a 2026 PIP inspection on the basis of contractual labelling alone. Remediation after an inspection opens is possible – but it is significantly more expensive and more constrained than pre-emptive restructuring.

The specific facts of your company's B2B arrangements determine whether reclassification risk is low, manageable, or immediately pressing. Waiting for an inspection to find out which category applies forfeits the most effective remediation options.

To discuss how PIP's 2026 enforcement powers apply to your contractor arrangements, email info@kordeckipartners.com. We will assess your exposure, identify the highest-risk relationships, and design a restructuring plan before an inspector arrives.

Frequently asked questions

Q: How far back can ZUS assess social contribution arrears following a reclassification finding?

A: The Social Insurance Institution can assess arrears up to 5 years from the date contributions should have been paid. However, procedural arguments – including limitation periods and the date of the formal reclassification decision – can reduce the effective look-back period. Early legal intervention is critical, because the look-back calculation is fixed once a ZUS assessment is issued.

Q: Does a B2B contractor need to agree to be reclassified as an employee?

A: No. PIP can issue a reclassification order directed at the company without the contractor's consent. The contractor may separately bring a claim before the labour court (sąd pracy) to establish employment status. Both proceedings can run in parallel. The company faces liability in both tracks simultaneously.

Q: Can a whistleblower complaint trigger a PIP inspection even if the contractor is satisfied with the arrangement?

A: Yes. The Whistleblower Protection Act allows any person – not only the contractor – to submit a report. A competitor, a former employee, or even an anonymous source can trigger an inspection. PIP is not required to verify the complainant's identity or motivation before opening an audit. This is a common misconception among companies that assume satisfied contractors eliminate enforcement risk.

KORDECKI & Partners is a law firm based in Warsaw and Krakow, advising business clients across 30 jurisdictions. Our team combines expertise in Polish and international law with a practical approach to employment law, B2B reclassification defence, and global mobility. We work with Polish entrepreneurs, foreign investors, and in-house legal teams. To discuss your situation, contact info@kordeckipartners.com.

Disclaimer: This publication is provided for informational purposes only and does not constitute legal advice. The information herein should not be relied upon as a substitute for professional legal counsel tailored to your specific circumstances. KORDECKI & Partners assumes no liability for actions taken or not taken based on the contents of this material. For advice regarding your particular situation, please contact info@kordeckipartners.com.