Nexus-SecTech Ltd  ·  London, UK

Privacy-first software for real-world problems.

Nexus-SecTech Ltd is a UK software company building focused products for individuals and professional services firms. Every product is designed around a minimal data footprint, strong encryption, and operational simplicity.

Zero
Knowledge by design
AES-256
Client-side encryption
UK
Built & registered

Products

Holdfast Live

Zero-knowledge digital estate vault and dead man's switch. Encrypted vault contents are delivered to nominated recipients when the user can no longer check in. Built for individuals, families, and professional services firms.

holdfast-co.uk →
DeKind Live

Co-parenting record-keeping for separated parents. Verified, timestamped custody logs, shared costs, and requests, kept in one shared record both parents see in real time.

dekind.app →
CallVault Private release

Android call recorder built for evidence rather than convenience. Each side of the call is captured as its own channel, and every recording is stored with a SHA-256 hash and a sidecar that describes it. Backup goes to the user's own Google Drive, or nowhere at all.

callvault.nexus-sec.tech →
Undisclosed Coming soon

Early-stage product. Announcing when it's ready.