LAWYER PROFILE

Mattias Vilhelm Warnøe Nielsen

Europe 2026

BAHR

Ranked in 1 practice area

Corporate/M&A

Denmark

1 year ranked

About

Provided by BAHR

Practice Areas

Mergers & Acquisitions, Private Equity & Venture Capital, Company Law, Fintech

Career

Mattias’ principal areas of work are private M&A, private equity, and venture capital. He advises on all types of private transactions in the Nordic and has extensive experience working for private equity and venture capital sponsors as well as family offices.

He is among the most active M&A lawyers in Denmark in the past 15 years according to Mergermarket, and has worked for many of the leading and most active financial sponsors in the region, including EQT, Nordic Capital, Polaris, Axcel, PSG Equity, FSN Capital, Valedo and Standard Investment.

Mattias is a graduate of the Faculty of Law of the University of Copenhagen from 2011 and has been a lawyer since 2014. He joined BAHR in 2026.

Mattias has previously been an external lecturer in properties law at the University of Copenhagen and is also the author of several academic peer-reviewed legal journal articles within M&A, venture capital and related topics.

Chambers Review

Provided by Chambers

Chambers European Guide

Corporate/M&A - Denmark

Band 4

Individual Editorial

Mattias Vilhelm Warnøe Nielsen of BAHR receives impressive plaudits for his M&A practice. He has notable experience in private equity transactions, including carve-outs, add-on investments and matters pertaining to portfolio companies.

View ranking table

Strengths

Provided by Chambers

Mattias Vilhelm Warnøe Nielsen is very knowledgeable and bright.
Corporate/M&AChambers European Guide
Mattias Vilhelm Warnøe Nielsen is a well-rounded lawyer.
Corporate/M&AChambers European Guide
He delivers above and beyond in terms of availability, response time, quality of advice and ability to work with us as a client, helping us understand the issues and guiding us to preferred outcomes.
Corporate/M&AChambers European Guide
Mattias has a very good understanding of the client's needs and is very goal-oriented on the client's behalf. He is a great pleasure to work with.
Corporate/M&AChambers European Guide
He is very strong at explaining complicated legal matters in an easy-to-understand manner.
Corporate/M&AChambers European Guide