Deirdre’s practice focuses on capital markets, M&A transactions and corporate governance. She has experience working with international and Swiss companies, investment banks and private equity firms in a range of equity, debt and M&A transactions, including IPOs, rights offerings and public and private acquisitions.

Deals & Cases

BRUSA HyPower completes strategic growth equity investment by Bosch Rexroth, M&G Investments and Temasek
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Montana Aerospace AG completes Accelerated Bookbuilding
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Sportradar Group AG successfully launches its IPO and starts trading on Nasdaq
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Landmark matters in which Deirdre has acted as counsel include the representation of:

  • R&S Group and its shareholders in its sale to VT5 Acquisition Company AG, constituting Switzerland’s first De-SPAC transaction, in 2023
  • The underwriters in connection with the CHF 4 billion share capital increase by Credit Suisse Group AG in 2022
  • NEC Corporation in its CHF 2.05 billion acquisition of Avaloq Group AG in 2020
  • EFG International in its agreement to transfer around CHF 1.2 billion of client assets to Banca dello Stato del Cantone Ticino in 2020
  • Credit Suisse, J.P. Morgan, UBS and other members of the bank syndicate in connection with the IPO of SoftwareONE on SIX Swiss Exchange with a market capitalization of CHF 2.8 billion in 2019
  • Stadler Rail AG in its IPO on SIX Swiss Exchange with an offer size of CHF 1.5 billion and a market capitalization of CHF 3.8 billion in 2019
  • Actelion Ltd in connection with the $30 billion public tender offer by Johnson & Johnson for the shares of Actelion and the simultaneous demerger and listing of Idorsia Ltd in 2017
2023 Admitted to the Bar of Zurich
2015 Admitted to New York State Bar
2014 Harvard Law School, LLM, Dean’s Scholar
2013 Admitted to the Bar of Ireland
2013 The Honorable Society of King’s Inns, Dublin, Barrister-at-law Degree
2012 University College Dublin, Masters in Common Law
2010 University College Dublin, Bachelor of Arts
The Legal500 EMEA 2024 – Next Generation Partner
The Legal500 EMEA 2023 – Recommended
Who’s Who Legal: Switzerland 2023
IFLR Rising Stars Awards EMEA 2022 – Equity Capital Markets
The Legal500 EMEA 2022 – Recommended
IFLR Rising Stars Awards Europe 2021 – Rising Star Switzerland
IFLR Rising Stars Awards Europe 2021 – Rising Star for Corporate/M&A
Expert Guides – Rising Stars 2021
Expert Guides – Rising Stars 2020
The Legal500 EMEA 2020 – Recommended
  • Zurich Bar Association
  • New York State Bar
  • IBA International Bar Association
2023 Partner, Niederer Kraft Frey
2019 Senior Associate, Niederer Kraft Frey
2016 Associate, Niederer Kraft Frey
2014 Associate, Kirkland & Ellis International LLP, London




Deals & Cases


Medartis successfully places CHF 115.8m convertible bonds maturing 2031

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Galderma successfully launches its IPO on SIX Swiss Exchange

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Evolva Holding SA sells its operations to Lallemand Inc.

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Market Perception

«Deirdre Ni Annrachain has a broad experience across different sectors and is very good at prospectus drafting. »
Legal 500 2024 – Capital Markets
«We worked with Deirdre Ní Annráchain, who is devoted and strong in the details. »
Chambers 2024 – Capital Markets
«Deirdre Ní Annracháin enjoys a stellar reputation among peers and clients for her capital markets expertise, and is recognised as “an up-and-coming top star in the space”»
Who’s Who Legal: Capital Markets – Switzerland 2023
«Deirdre is a senior associate who has been assisting us very well on capital markets matters. She is very impressive and obviously a rising star. She will no doubt make her way at NKF and in the Swiss capital markets. Her experience and knowledge of international capital markets continues to be very valuable. »
Chambers 2022
«‘Deirdre Ní Annracháin is a key team member and has a very high level of responsiveness at all times.‘ »
Legal 500 2020

Awards & Rankings


Five NKF lawyers recognised as Rising Stars at the IFLR Rising Stars Awards EMEA 2022

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Deirdre Ní Annracháin recognised as Rising Star at the IFLR Rising Stars Awards Europe 2021

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Five NKF lawyers recognised as Rising Stars by Expert Guides

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Firm News


NKF appoints three new partners and two new counsel

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Getting The Deal Through: Initial Public Offerings – Switzerland 2024

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Newsletters & Alerts


Switzerland’s New ESG Reporting Regime – What It Means For Your Business

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Environmental, Social and Governance (ESG) – Supporting our clients to navigate a new corporate land…

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