Marek Petecki

Partner – Corporate & financing

“We love working with Marek and his really strong team of associates” (Legal 500 2027)

Marek is a partner in the corporate practice and co-head of the firm’s Life Sciences practice. He often acts as outside general counsel for venture-backed companies and advises emerging companies on strategic M&A, restructuring and private financing transactions. Marek also acts for investors and mature companies seeking to invest in or acquire advanced technologies and platforms.

Credentials

  • BA Ancient History & Social Anthropology, University College London 
  • Qualified 2003 
  • Partner 2010 
  • Joint Managing Partner 2016-2022 

Expertise

Corporate & financing

Publications

Biotech Review of the Year

Read here

What others say

“We love working with Marek and his really strong team of associates.” Legal 500 2027
“Marek Petecki is exceptional, a pleasure to deal with, thoughtful and insightful, finds solutions effortlessly, and is deeply knowledgeable about the market.” Legal 500 2027
“Marek Pateki - a trusted and talented corporate adviser. Clear, commercial, and pragmatic advice. A pleasure to work with - Marek's calm and friendly manner stands out in the market.” Legal 500 2027
“Marek is amazing and an expert in the field of life sciences.” Chambers and Partners 2026
“Marek is very experienced and knowledgeable.” Chambers and Partners 2026
“Marek is exceptional. He is solutions-driven, thoughtful and efficient. He is also a pleasure to work with.” Chambers and Partners 2026
“Marek Petecki very technically able and good at getting to practical solutions.” Legal 500 2025

Recommended For

Private Equity: Venture Capital Investment

Chambers and Partners 2026

Venture Capital

Venture Capital

Life Sciences and Healthcare

Venture Capital

M&A: Smaller Deals, £10m-£100m

Legal 500 2024

Inquisitive minds

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