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Sarah Jayne
Hanna

Partner

Sarah Jayne Hanna is a partner in the Technology and Innovation Group at Matheson.

She advises clients on all technology-related issues, with a particular focus on artificial intelligence, digital services regulation (DMA and DSA), and data access. In addition, she has significant experience advising on data protection and cybersecurity matters, including advising on strategic data protection compliance, employee data protection issues, data subject access requests, and responding to data breaches and cyber incidents.

Sarah Jayne’s combined experience in corporate law and technology law enables her to provide holistic advice on strategic governance and compliance projects involving the intersection of multiple overlapping regulatory frameworks including AI, cybersecurity, digital services and data protection.

She also advises on a wide range of technology and commercial contracts including advising suppliers and users of IT solutions across a broad range of industries. Sarah Jayne regularly drafts and negotiates services outsourcing contracts, IT services agreements, manufacturing agreements, software licence agreements, SaaS agreements, data sharing and processing agreements, IP transfer agreements, IP licence agreements and R&D agreements.

Sarah Jayne has significant experience assisting companies in navigating and interpreting the complex and converging technology-related regulatory rules and regimes impacting their businesses, whether as suppliers or purchasers of IT solutions.

Sarah Jayne also regularly advises on third party mergers and acquisitions in relation to commercial contracts, data protection, IT and IP matters.

Experience and Education

Sarah Jayne’s experience includes advising:

  • global technology companies in relation to DMA and DSA compliance;
  • Fortune 100 US corporations on third party contractual arrangements (including the deployment of AI by outsourced service providers) and disputes;
  • large Irish based businesses on data protection compliance and regulatory investigations;
  • Irish fund administrators on IT integration projects and related data protection compliance matters;
  • a global technology company on its binding corporate rules (including annual updates) and interacting with the Data Protection Commission on same;
  • the Smurfit Kappa Group in relation to the data processing activities arising out of the merger with Westrock Company;
  • Fortune 500 companies on IP restructuring and realignment projects;
  • leading multinational technology companies and financial institutions on AI deployment and governance;
  • large international and domestic companies on the application and implications of NIS 2, CER and CRA (including governance frameworks);
  • large international and domestic companies on perpetual software licensing contractual arrangements and related disputes;
  • large leading multinational tech companies on various contractual and data protection issues arising out of the sale of their products (including SaaS products) in the EU and UK;
  • life sciences companies on third party manufacturing and IP licensing arrangements;
  • global insurance and reinsurance companies on the procurement of ICT services and the regulatory overlay of DORA; and
  • Fortune 500 technology companies on the application and implications of DORA
  • Law Society of Ireland, Solicitor
  • Law Society of Ireland, Diploma in Finance Law
  • Trinity College Dublin, LLB

News and Insights

Insights
23/12/2025

New National Cyber Risk Assessment and SME Cyber Resilience Report Published

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Insights
16/12/2025

AG clarifies when a DSAR constitutes an abuse of GDPR rights

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Insights
12/12/2025

CJEU clarifies direct marketing rules under ePrivacy Directive

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Insights
09/12/2025

Update: Ireland considers social media ban for users under the age of sixteen

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Insights
08/12/2025

GDPR liability of online marketplaces for user-published advertisements

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Insights
21/11/2025

EU Digital Omnibus Regulations – What has been proposed?

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Insights
09/09/2025

The Representative Actions Directive and the rise of artificial intelligence

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Insights
25/08/2025

Consumer Representative Actions – Third Irish “Qualified Entity” Designated

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Insights
25/06/2025

DPC Publishes Annual Report for 2024

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Insights
28/02/2025

EU Commission publishes Guidelines on definition of an “AI system”

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Accolades

“I would highly commend Sarah Jayne Hanna. We were very impressed.”

Chambers Europe

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