What we do
PKI and cybersecurity services
built on real trust
From managed PKI infrastructure to application-level security services and strategic consultancy — NTS transforms cryptography into practical, deployable trust.
Managed Root CA
A Root Certificate Authority is the foundation of trust in any PKI system. NTS operates and manages Root CA infrastructure on behalf of organisations that require a trusted, compliant, and resilient trust anchor — without the overhead of building and running it internally.
Our Managed Root CA service provides the highest level of PKI trust infrastructure, operated to industry standards and available as a service aligned to your organisation's security and compliance requirements.
- Root CA design & establishment
- Offline & air-gapped Root CA operations
- HSM-backed key protection
- Certificate policy & practice statement development
Managed PKI
A complete Public Key Infrastructure, operated and managed by NTS. Our Managed PKI service provides the full certificate authority hierarchy — including Issuing CAs, registration authority functions, certificate lifecycle management, and revocation services.
Organisations get enterprise-grade PKI capabilities without the complexity and cost of building it in-house. Our service scales from small deployments to large industrial and enterprise environments.
- Issuing CA design & operations
- Certificate lifecycle management
- CRL & OCSP revocation services
- Multi-tier PKI hierarchy support
PKI Application Services
NTS PKI Application Services transform PKI from a backend certificate system into a complete trust platform for devices, software, and digital services. Achieve regulatory compliance and meet industrial cybersecurity standard requirements with PKI-secured product lifecycle management.
Our services support compliance with the EU Cyber Resilience Act, NIS2 cybersecurity requirements, and IEC 62443 industrial cybersecurity frameworks — covering device identity, trusted boot, signed software, and authenticated communications.
- EST Gateway — automated certificate lifecycle management
- Secure Boot & Chain-of-Trust implementation
- Code Signing for firmware, software & containers
- Token Signing for authentication & APIs
Consultancy Services
PKI and cryptographic infrastructure projects require deep expertise to design, implement, and operate correctly. NTS provides expert consultancy across PKI architecture, cryptographic strategy, regulatory alignment, and security programme development.
Whether you are designing a new PKI from scratch, reviewing an existing infrastructure, or preparing for regulatory audit — our consultants bring hands-on experience across industrial, enterprise, and cloud environments.
- PKI architecture & design review
- Cryptographic strategy & key management
- Regulatory alignment — CRA, NIS2, IEC 62443
- PKI health checks & audit preparation
Get in Touch
Ready to build your
trust infrastructure?
Tell us about your organisation and current challenges — we'll recommend the right starting point.