MFW Fialek
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MFW Fialek handle M&A transactions, particularly in the mid-market private equity segment. The firm is best known for its ability to manage the full legal lifecycle of a transaction, from structuring, due diligence and negotiation to closing experience in cross-border transactions, acting for international buyers and sellers across multiple sectors, including tech, manufacturing, FMCG and healthcare. Practice head Mirosław Fiałek specialises in advising private equity and venture capital funds, strategic investors and founders, supporting clients in structuring and managing transactions. Rafał Siemieniec often acts as lead counsel on high-stakes, multi-jurisdictional mandates, multiple corporate and commercial matters for the firm’s clients and litigation in corporate matters.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘MFW Fiałek’s private equity team demonstrated a clear drive to close the deal efficiently, while maintaining a high level of substance in negotiations.’
- ‘The lawyers I interacted with were engaged, pragmatic, and highly responsive.’
Key clients
- Custodia Capital
- Hartenberg Capital
Work highlights
Advised Novastone Capital Advisors and the remaining shareholders on a transaction that included, among other elements, the sale of shares in Formeds to Enterprise Investors, as well as the reinvestment of an existing shareholder into a holding company that became the indirect owner of Formeds.


