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Neil Keenan
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Neil is a Partner and Head of the ByrneWallace LLP Corporate team.

With over twenty years’ experience as a corporate lawyer, Neil has advised on many significant and complex transactions including mergers and acquisitions, private equity and venture capital investments, corporate re-organisations, examinerships and business rescues and turnarounds. He also advises on shareholder and joint venture agreements and commercial contracts such as franchise and distribution agreements. In addition Neil has advised extensively on company law and corporate governance and regularly advises on matters such as Directors’ duties and shareholder rights and disputes. Neil has a particular experience and interest in the renewable and alternative energy sectors and has also dealt with many transactions in the medical devices and medtech sectors and acts for a number of technology companies.

Prior to joining ByrneWallace LLP in 2016 Neil was the Managing Partner of another corporate practice and previously practised as a Corporate partner in another large Dublin law firm.  

Neil regularly lectures in the Law Society including the Law Society's series of seminars during 2015 on the Companies Act, 2014. Neil has also authored a chapter in the Law Society's Business Law manual, and regularly contributes articles to national media and specialist publications such as Energy Ireland's renewable energy magazine. He is a regular speaker on company and commercial law related topics.

Key Experience

  • Acting for Mainstream Renewable Power Limited in the Irish legal aspects of its landmark $117.5million deal to fund the expansion of the Lekela Power platform providing renewable power supply across Africa.
  • Acting for Ocuco Limited in a €23million financing from Wells Fargo’s Technology Finance unit and on its acquisition of B&F Group.
  • Acting for some founding investors in ElectroRoute as part of a major new partnership with Mitsubishi corporation.
  • Acting for Enterprise Equity VC in connection with the exit of its investment in Movidius to Intel.
  • Acting for United Language Group Inc. on the acquisition of Merrill Brink International Limited.
  • Acting for Endeco Technologies Limited on various fundraising rounds including most recently from the ESB Novus Modus Fund.
  • Acting for a renewable energy business in a fundraising valued in excess of €100 million in equity and secured loan notes.
  • Acting for a well known construction company in a re-organisation involving a significant equity investment of over €10 million, a group reorganisation and two new banking facilities.
  • Acting for an Irish based medical devices company in an MBO and subsequently in its sale to a U.S. multinational for a consideration of up to €30 million.
  • Acting for another medical devices company in its sale to a U.S. based buyer for a multi million euro consideration.
  • Acting for a well known renewable energy company in its sale to a large utility for a consideration of €1.8 billion.
  • Acting for a medtech company in the disposal of its key technology to a multinational.
  • Acting for an investor as part of the rescue of an airline in Examinership.
  • Acting for one of the parties in a joint venture in a motorway PPP project in the disposal of its shareholding to an infrastructure fund for a multi million euro consideration.
  • Acting for a seed capital venture fund in a number of rounds of equity investment.
  • Acting for a statutory commission in multiple equity investments in companies which it supports


  • Bachelor of Civil Law (BCL)
  • Admitted as a Solicitor Law Society of Ireland, 1994


  • Chairperson Business Law Committee, Law Society of Ireland
  • Institute of Directors
  • Former President and company secretary of the Dun Laoghaire Rathdown Chamber of Commerce
  • Dublin Solicitors Bar Association and former member of its company law committee


Neil Keenan is ranked a Leading Individual - Corporate / M&A by Legal 500 2021.

'Neil Keenan is a corporate heavyweight in energy and provides real gravitas to M&A and corporate finance transactions in the sector. - Legal 500, 2021

‘Neil Keenan is a standout practitioner in this team. His knowledge of company law is second to none and he goes the extra mile to ensure that the client’s needs are met.’ - Legal 500, 2021

‘I have been working with Neil Keenan for many years and he never fails to provide sound and comprehensive legal advice. Our company relies greatly on Neil’s advice and he is the first port of call for us when legal expertise is required. Not only is Neil a wealth of legal knowledge, he is a pleasure to deal with and will always make himself available to us regardless of how busy he is. Neil’s approach augments the fact that he values our company as a client and we appreciate him greatly.’ - Legal 500, 2021 

Described by Legal 500 2020 as a "Leading Individual - Corporate /M&A" - Legal 500, 2019

'Very good industry knowledge and experience underpinned with strong corporate expertise. Very commercial and practical. Neil Keenan has very strong corporate expertise. - Legal 500, 2020

'Neil Keenan is an excellent lawyer all round, with little ego and a very calm approach to work. He has vast and deep experience across a number of sectors. This makes him a “go-to guy” in my book.‘ - Legal 500, 2020

'Neil Keenan has always been very supportive of our business needs and I couldn’t recommend him enough.' - Legal 500, 2020

'Very good legal advice with excellent business perspective. Very good at understanding key commercial elements. Neil Keenan is an excellent practical solicitor who brings an excellent business perspective to issues.' - Legal 500, 2020

'Neil Keenan is a consummate professional who gets the job done, with a minimum of fuss. Always there when you need him.' - Legal 500, 2020

'Outstanding' practice head Neil Keenan advised Mainstream Renewable Power on a $50m fund facility used for its equity investment in two wind farms - Legal 500, 2019

Described by Legal 500 2019 as a "Leading Individual" - Legal 500, 2019

Neil Keenan provides ‘excellent guidance and comfort in sometimes difficult situations’ - Legal 500, 2018

Practice head Neil Keenan, is ‘highly knowledgeable on corporate matters’. - Legal 500, 2018

Clients describe Neil Keenan as 'strong and competent' in relation to his corporate expertise in the Energy and Natural Resources Sector. - Legal 500, 2017