Sinead Casey

Employment Partner, London

“Dual-qualified in the UK and Ireland, I advise clients on their critical employment and HR issues, whether advisory, contentious or transactional. I take into account the full range of business needs when offering advice, including ethos, profile and resources. I regularly provide advice and support directly to boards of companies and committees.”


Professional experience

Education and qualifications


Sinead advises on a broad range of employment advisory and regulatory issues, including executive appointments and terminations, internal and regulatory investigations, group reorganisations and restructurings, outsourcings, and the employment aspects of public and private M&A deals. She has particular expertise working with clients on crisis management mandates, advising them on their most challenging and sensitive HR-related issues as they navigate their way through a crisis.

Sinead’s typical advisory work includes counselling on recruitment and termination, redundancy exercises, employment contracts, policies and procedures, grievance and disciplinary proceedings, the implementation of pension and other benefit changes, trade disputes and corporate governance-related issues.

Sinead represents clients before the Employment Tribunal, the High Court and the Court of Appeal, including unfair dismissal, discrimination and breach of contract claims.

Sinead has a special interest in diversity and is involved in Linklaters’ graduate recruitment programme and various corporate social responsibility programmes.

Work highlights

Sinead has advised on the employment law aspects of many major deals and on many other standalone employment issues. These include advising:

  • Montagu Private Equity on its acquisition of Eastman Kodak Company’s flexographic packaging division
  • DP World, one of the world's largest port operators, on its acquisition of Dubai Ferries Holding
  • the Royal Bank of Scotland Group on the employment aspects of a number of large projects, including the ringfencing project. At its core are the employment issues arising which affect approximately 50,000 employees within the Royal Bank of Scotland Group
  • Julius Baer on its multijurisdictional acquisition of the private wealth management business of Bank of America Merrill Lynch
  • Glencore on its successful defence in the Court of Appeal of a high-value bonus claim from a former Xstrata employee, which arose from the Glencore Xstrata merger
  • PwC as administrators of Lehman Brothers on employment matters

Professional experience

Sinead acted as secretary to the Board of the Royal Courts of Justice Citizens Advice Bureau for two years. She is a trustee of Irish in Britain, a national charity supporting a network of diverse Irish organisations.

Sinead is a regular contributor to publications on employment law and related topics, including contributing chapters covering English law and case law on age discrimination and social media to Europe-wide projects. Her articles include:

“Employers experiment with reduced workweeks”, initially published on the EmploymentLinks blog, SHRM, and elsewhere.

Education and qualifications

Sinead studied law at Trinity College Dublin. She also holds diplomas in corporate law and governance, and employment law from the Law Society of Ireland.