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15 January 2026, London – Xypher, the Limerston Capital backed, UK-based cyber security, compliance, digital forensics and e-Discovery services specialist, has today announced the appointment of Matt Parker as Chief Executive Officer.
Matt brings extensive experience in leading and scaling complex, technology-led businesses, with a proven ability to unite specialist teams around a clear, customer-focused proposition. He is recognised for building high-performing organisations that balance growth, operational discipline and service excellence, while creating environments where people, capability and talent can develop and scale together.
With deep experience integrating multi-business platforms, Matt will lead Xypher through its next phase of development as a newly formed cyber security platform following the acquisitions of Aristi, CyberCrowd and DigitalXRAID in 2025. Xypher is now recognised as a rapidly scaling group with strong momentum and a clear buy-and-build strategy.
His approach centres on aligning technology, services and people to ensure Xypher remains responsive to evolving customer needs while staying ahead of the cyber threat landscape. A core part of his leadership focus is developing strong teams, investing in skills, and creating clear long-term career pathways, positioning the group as a leading UK destination for specialist cyber and digital talent.
The combined expertise of Xypher enables the group to support organisations across both public and private sectors, including those operating in critical national infrastructure, national security, housing, policing, healthcare, legal services and energy.
Matt Parker, CEO at Xypher commented:
“Xypher brings together some of the most respected cyber security, digital forensics and compliance specialists in the UK. My focus is on harnessing that collective strength to deliver outstanding outcomes for customers, while creating a platform where people can grow, develop and build long-term careers. The cyber landscape continues to evolve at pace, and by aligning our technology, services and teams, Xypher is uniquely positioned to stay ahead of that change and deliver trusted, end-to-end resilience for organisations across both the public and private sectors.”
João Rosa, Founding Partner at Limerston Capital, added:
“Matt’s appointment reflects exactly what we are building with Xypher. He understands how to bring specialist businesses together in a way that preserves what makes them exceptional, while creating a unified platform that delivers consistent quality, innovation and growth. Equally important, he is passionate about developing people and creating long-term career opportunities, which is central to our ambition for Xypher.”
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About Xypher
Xypher is a group of UK-based cyber security, digital forensic investigation and e-Discovery specialists with more than a decade of experience and extensive certified expertise, brought together to deliver industry leading end-to-end protection for organisations that demand excellence. From Managed Security Services and Incident Response to Digital Forensics, e-Discovery, Forensic Case Management, Compliance and Consultancy, we combine deep expertise with cutting-edge capability.
About Limerston Capital
Founded in 2015 by James Paget, João Rosa and Martim Avillez, London based Limerston Capital pursues control investments in UK mid-market companies and seeks to create value through the firm’s buy-and-build and operationally focused model. The firm targets businesses with EBITDA of between £5 million and £15 million that have a solid value proposition, but have potential for operational improvements, have mispriced underlying returns on capital and provide opportunities for strategic repositioning via consolidation.
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