01 / COMPANY

Engineering security for systems that matter.

HexaSec is a UK cyber security and AI engineering company building local-first assurance systems, defensive research methods and inspectable technical evidence for high-trust environments.

02 / OPERATING MODEL

Research. Engineer. Prove.

HexaSec moves security questions through research, technical implementation, controlled testing and retained evidence before presenting capability as a product.

  1. 01

    RESEARCH

    Explore the security problem.

  2. 02

    ENGINEERING

    Build the smallest defensible system.

  3. 03

    ASSURANCE

    Exercise behaviour against explicit controls.

  4. 04

    EVIDENCE

    Retain what happened and why.

RESEARCH ENGINEERING ASSURANCE EVIDENCE

03 / WHAT WE BUILD

Focused systems. Explicit boundaries.

HexaSec concentrates on a small number of security capabilities where repeatability, explicit control and inspectable evidence matter.

  1. 01 / PRODUCTSTATUS / ACTIVE PRODUCT

    AI ASSURANCE GATE

    Repeatable security regression for LLM, RAG and tool-enabled assistants.

    VIEW PRODUCT
  2. 02 / EVIDENCE ENGINEERINGSTATUS / ACTIVE CAPABILITY

    EVIDENCE ENGINEERING

    Inspectable release records, traceability and retained technical artefacts.

    VIEW EVIDENCE
  3. 03 / RESEARCHSTATUS / ACTIVE / EXPLORATORY

    RESEARCH

    Security research that can become methods, prototypes and engineering capability.

    VIEW RESEARCH
04 / POSITIONING

Built around control, not convenience.

HexaSec favours security systems that can operate close to the environments they evaluate, expose their decision logic and leave inspectable technical evidence behind.

  1. 01 /

    LOCAL-FIRST

    Keep assurance close to the system being evaluated where the environment requires it.

  2. 02 /

    EXPLICIT CONTROL

    Use defined detectors, policy and release logic rather than opaque model judgement alone.

  3. 03 /

    INSPECTABLE

    Make the evidence behind a security decision available for technical review.

  4. 04 /

    BOUNDED

    Keep research, testing and automation inside explicit operational and technical boundaries.

LOCAL-FIRST EXPLICIT CONTROL INSPECTABLE BOUNDED

These are company positioning principles, not universal guarantees.

05 / COMPANY RECORD

A small company with a precise mandate.

HexaSec Ltd is a United Kingdom cyber security and AI engineering company focused on AI assurance, evidence engineering and defensive security research.

COMPANY RECORD / PUBLIC INFORMATION08 RECORDS
LEGAL ENTITY
HEXASEC LTD
JURISDICTION
ENGLAND & WALES
DISCIPLINE
AI + CYBER SECURITY
CURRENT PRODUCT
AI ASSURANCE GATE
ENGINEERING CAPABILITY
EVIDENCE ENGINEERING
RESEARCH
DEFENSIVE AI SECURITY
WEBSITE
HEXASEC.CO.UK
OPERATING MODEL
RESEARCH-LED ENGINEERING

COMPANY NUMBER16225807

REGISTERED OFFICE71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ

PUBLIC COMPANY RECORD / CAPABILITY POSITIONING / NO PERFORMANCE CLAIMS

06 / WORK WITH HEXASEC

Start with one defined problem.

HexaSec engagements begin with a bounded technical question: an AI workflow to evaluate, a security problem to investigate or a research area to explore.

  1. 01 /

    AAG PILOT

    Evaluate one agreed AI workflow against an agreed threat model and inspect the resulting decision evidence.

    REQUEST A PILOT
  2. 02 /

    RESEARCH

    Discuss a bounded defensive research question, prototype or technical collaboration.

    DISCUSS RESEARCH
  3. 03 /

    GENERAL

    Company, technical or commercial enquiries.

    CONTACT HEXASEC

ENGAGEMENT MODEL

SCOPE DEFINE TEST / RESEARCH EVIDENCE REVIEW

Use this only as an engagement framing, not a contractual delivery promise.