Real world security for a digital era.

Net-Defence helps people sleep at night by protecting assets, data and people in the era of evolving digital threat.

Supporting businesses, third sector organisations and high profile individuals, we provide world-class digital security services designed for the digital age.

We provide security accreditation and have a track record with some of the world’s most well known names. Known for digital security in high risk industries including Legal, Finance, Healthcare, Manufacturing and Entertainment, we can help you.


  • Network and Website Penetration Testing
  • IT and Data Storage Security Audits
  • Telephony Security Testing
  • Social Engineering Intrusion Testing
  • Post Hack Vulnerability Investigations
  • Business Continuity Drills
  • Phishing Simulations


  • IT Support Packages
  • IT Installations & Secure Cabling
  • IT System Upgrades
  • Software & Licensing Procurement and Renewals
  • Outsourced IT purchasing
  • Malware, Spam Filters, Firewalls & VPNs
  • Virtualisation
  • Data Storage & Backup
  • Secure By Design Planning & Installations


  • Directors & Trustees Accountabilities Workshop
  • Staff Data Security & GDPR compliance
  • Staff Digital Security
  • Social Engineering Intrusion Education
  • Phishing Attacks Awareness
  • Post Hack Risk Management Education
  • Resilient Telephony Education
  • Industry Conference Education Sessions




  • IT Security Transformation
  • IT Networks & Infrastructure
  • Cloud Solutions
  • Cyber Essentials Accreditation
  • ISO27001 Certification
  • ISO 9001 Certification
  • Business Continuity Planning for a Digital Era
  • IT Procurement
  • Investments & Mergers and Acquisitions Security and GDPR Due Diligence
  • Export Authenticity Investigations
  • AI & IoT Procurement Security Considerations


  • Telephony Support Packages
  • Lines, Minutes & Data Packages
  • Wifi & Connectivity
  • Secure Cloud Solutions
  • Purchasing Handset
  • Purchasing Mobiles
  • Purchasing Software
  • Structured Cabling
  • Business Continuity
  • Relocations
  • LAN & WAN

Why choose Net Defence?

You can trust us – our reputation is established. We are accredited, award winning and part of a 65+ year old family business, now serving clients throughout the UK, employing 500+ people.

We are also regularly engaged by IT companies and legal firms to provide trusted independent testing for IT and data protection compliance including GDPR. This can provide robust evidence of effective risk management to the Information Commissioner’s Office (ICO) and insurance companies.