Mergers and acquisitions

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M&A

Completed projects
Team
Awards and rankings
Customer recommendations

MFW Fiałek is a law firm with strong experience in mergers and acquisitions (M&A) transactions in Poland. We provide comprehensive legal advisory services in mergers and acquisitions to domestic and international clients, including strategic and financial investors, private equity funds and financial institutions. We assist clients throughout the entire deal process – from structuring and due diligence to negotiation and completion.

Our lawyers have been involved in a wide range of M&A transactions, providing advice to:

strategic and financial investors (including private equity funds);
sellers, buyers, and target companies;
investment banks advising on transactions;
banks and funds providing transaction financing.

Our M&A services include, but are not limited to:

transactions for the sale of shares and stocks (including stocks in listed companies), organised parts of enterprises, and individual assets;
management buyouts (MBO) and leveraged buyouts (LBO);
shareholders’ agreements and joint ventures;
mergers, demergers, and company reorganizations.

As part of our legal support in M&A transactions, we provide:

assistance in designing the legal structure of the deal;
comprehensive legal due diligence (including vendor due diligence and virtual data room setup);
support in preparing and negotiating term sheets;
drafting and negotiating all transaction documents (including SPAs and disclosure letters);
filing merger control notifications and representing clients before antitrust and regulatory authorities;
legal assistance at signing, closing, and post-closing stages.

Completed projects

PZU Zdrowie S.A.

Advising on the acquisition of a healthcare company specialising in diagnostic imaging by Bonus-Diagnosta sp. z o.o., a PZU Zdrowie S.A group company.
Music & More sp. z o.o.

Advising Music & More sp. z o.o. on acquiring an international financial investor. In the transaction a Luxembourg fund acquired the minority share of the client’s share capital.
Bielenda Kosmetyki Naturalne sp. z o.o.

Advising Bielenda Kosmetyki Naturalne sp. z o.o. on the acquisition of 100% shares in SHE Cosmetic Lab sp. z o.o. Comprehensive legal advice included, in particular, conducting the target’s legal due diligence as well as and drafting and negotiating the transaction documents.
Picodi.com S.A.

Advise on the sale of the majority stake in Picodi.com S.A. to Méliuz S.A. – a strategic investor, a company listed on the Brazilian Stock Exchange.
Custodia Capital

Advising on the acquisition of 100% shares in Atende Software sp. z o.o.
Work Service S.A.

Advice regarding information obligations related to acquiring a foreign investor, including preparing the transaction structure, conducting negotiations, and preparing and signing a conditional investment agreement with Gi International S.R.L.
Ferro S.A.

Advising on the acquisition of a majority stake in Termet S.A. and 100% of shares in the company Tester sp.z o.o.
Schindler Polska sp. z o.o.

Advice on the acquisition of 100% of shares in the share capital of Wrocławskie Przedsiębiorstwo Remontowe Urządzeń Dźwigowych sp. z o.o.
Polish ePayments (Centrum Rozliczeń Elektronicznych Polskie ePłatności S.A)

Advising a company from the Innova Capital portfolio on acquiring 100% of the shares in Top Card sp. z o.o.
Clovin S.A.

Advising a Polish cleaning products manufacturer on the sale of a majority share to Avallon, a Polish private equity fund.

Team

Awards and rankings

The highest quality of services provided by the lawyers of the mergers and acquisitions team has been repeatedly appreciated by professional publications and rankings as well as industry organizations.

Chambers Global
Rzeczpospolita
The Lawyer European Awards
PSIK
Chambers Europe
IFLR1000
Mergermarket
Legal 500
CEE Mergers and Acquisitions

In the Chambers Global 2025 ranking, MFW Fiałek law firm has been distinguished for the first time in the Corporate & M&A: Mid Market (Poland) category:

Mirosław Fiałek (Managing Partner) – Band 1
Rafał Siemieniec (Associate Partner) – Band 4
The Firm – Band 3

“MFW Fiałek has been recognized for its strong market presence and expertise. The team advises on a full range of corporate matters, including acquisitions, joint ventures, and corporate structuring. The team has experience advising international investors, including private equity funds. Its clients include domestic conglomerates as well as international companies.”

Mirosław Fiałek, our managing partner, has been ranked at Band 1 in the Corporate & M&A: Mid Market category.

According to Chambers Global “Outstanding partner Mirosław Fiałek showcases extensive activity and market recognition at the mid-market level. Fiałek is proficient at handling acquisitions and restructuring procedures.”

Rafał Siemieniec, Associate Partner at MFW Fiałek, has been ranked at Band 4.

According to Chambers Global “Rafal Siemieniec joins the rankings this year on the back of strong market recommendation for his expert handling of domestic and cross-border mergers and acquisitions.”

In the Ranking of Law Firms of the daily newspaper Rzeczpospolita 2025, we were named as a leader in the categories (law firms with up to 50 lawyers): Commercial Law, Corporate Law, Mergers and Acquisitions; Private Equity and Real Estate.

Mirosław Fiałek was recognised as a leader in the categories Commercial Law, Corporate, M&A and Private Equity, and Rafał Siemieniec was recommended in the category: Real Estate.

In the Ranking of Law Firms of the daily newspaper Rzeczpospolita 2024, we were named as a leader in the categories (law firms with up to 50 lawyers): Commercial Law, Corporate Law, Mergers and Acquisitions; Private Equity and Real Estate.

Mirosław Fiałek was recognised as a leader in the categories Commercial Law, Corporate, M&A and Private Equity, and Rafał Siemieniec in the category: Real Estate.

MFW Fiałek also received a distinction (2nd place) in the category of Handling leading transactions on the Polish market in 2023.

In the Ranking of Law Firms of the daily newspaper Rzeczpospolita 2023, we were named as a leader in the categories (Division II – law firms with up to 50 lawyers): Commercial Law, Corporate Law, Mergers and Acquisitions; Private Equity and Real Estate.

Mirosław Fiałek was recognised as a leader in the categories Commercial Law, Corporate, M&A and Private Equity, and Rafał Siemieniec in the category: Real Estate.

MFW Fiałek has been shortlisted for the third time as a finalist in the European Specialist Law Firm of the Year category at The Lawyer European Awards 2024.

MFW Fialek has been shortlisted as a finalist for The Lawyer European Awards 2023 in the European Specialist Law Firm of The Year category.

MFW Fialek has been shortlisted as a finalist for The Lawyer European Awards 2022 in the European Specialist Law Firm of The Year category.

The Private Equity practice, led by Partner Miroslaw Fiałek, is a finalist in the “legal advisor – venture capital” category of the PSIK Awards competition, organised by the Polish Private Equity and Venture Capital Association. The law firm is among the four law firms in Poland that were nominated.

The Private Equity practice, led by Partner Miroslaw Fiałek, was a finalist in the “legal advisor – private equity” category of the PSIK Awards competition, organised by the Polish Private Equity and Venture Capital Association. The law firm was among the five law firms in Poland that were nominated.

In 2025 Chambers Europe ranked Mirosław Fiałek (Band 1), Rafał Siemieniec (Band 4) and M&A practice (Band 3) in Corporate/M&A: Mid-Market category.

Mirosław Fiałek has been recommended for the first time by Chambers Europe in the Private Equity category (Band 4).

According to Chambers Europe “MFW Fiałek has a keen focus on delivery successful transactions. The lawyers have solid market knowledge and experience of international and private equity work.”

“Outstanding partner Mirosław Fiałek showcases extensive activity and market recognition at the mid-market level. Fiałek is proficient at handling acquisitions and restructuring procedures.”

“Rafal Siemieniec joins the rankings this year on the back of strong market recommendation for his expert handling of domestic and cross-border mergers and acquisitions.”

In the Chambers Europe 2024 ranking, MFW Fiałek law firm has been distinguished in the Corporate & M&A: Mid Market category, advancing to Band 3 this year compared to our previous position:

“MFW Fiałek climbs the rankings as a result of strong market support. The team advises on a full range of corporate matters, including acquisitions, joint ventures and corporate structuring. The team has experience advising international investors, including private equity funds. Its clients include domestic conglomerates as well as international companies.”

Mirosław Fiałek, our managing partner, has once again been recognised as a recommended lawyer in the Corporate & M&A: Mid Market category. Mirosław Fiałek maintained his position in the ranking and was indicated at Band 2.

According to Chambers Europe “Mirosław Fiałek showcases extensive activity and market recognition at the mid-market level. Fiałek is proficient at handling acquisitions and restructuring procedures.”

In the Chambers Europe 2023 ranking, MFW Fiałek law firm has been distinguished in the Corporate & M&A: Mid Market category:

MFW Fiałek enters the rankings as a result of strong market support. The team advises on a full range of corporate matters, including acquisitions, joint ventures and corporate structuring. The team has experience advising international investors, including private equity funds. Its clients include domestic conglomerates as well as international companies.

Mirosław Fiałek, our managing partner, has once again been recognised as a recommended lawyer in the Corporate & M&A: Mid Market category. His position in this ranking has strengthened and this year he has been designated as Band 2.

According to Chambers Europe Mirosław Fiałek showcases extensive activity and market recognition at the mid-market level. Mirosław Fiałek is proficient at handling acquisitions and restructuring procedures.

In the Chambers Europe 2022 ranking, Partner Mirosław Fiałek was awarded in the Corporate/M&A: Mid-Market category in Band 3.

Mirosław Fiałek has joined the ranking ‘after showcasing extensive activity and market recognition at the mid-market level’. In addition, he has been recognized as an expert in handling acquisitions and restructuring.

In the Chambers Europe 2012 ranking, Partner Mirosław Fiałek was distinguished as “Up and Coming” in the area of Private Equity practice and was identified as “a lawyer valued both for his particular attention to detail and the ability to see the full picture of the situation” and as “one of the most promising lawyers in the field of private equity in Poland.”

In the IFLR1000 2024 ranking, MFW Fiałek were awarded in the field of M&A practice and in the Capital markets: Debt and Capital markets: Equity.

In the IFLR1000 2024 ranking, MFW Fiałek were awarded in the field of M&A practice, obtaining a high position in Tier 4.

Partner Mirosław Fiałek was distinguished as “Highly Regarded” in the field of M&A and Private Equity.

In the IFLR1000 2023 ranking, MFW Fiałek were awarded in the field of M&A practice and in the Capital markets: Debt and Capital markets: Equity.

In the IFLR1000 2023 ranking, MFW Fiałek were awarded in the field of M&A practice, obtaining a high position in Tier 4.