SC889983 · Inverness, Scotland

Deterministic by design.

Spey Systems Ltd is a private limited company registered in Scotland. We build and maintain deterministic computing infrastructure, verifiable AI governance systems, and audit-critical software platforms.

Section I · Portfolio

Company assets.

Framework

Axioma Framework

axilog.io

Verifiable AI execution framework. Seven-layer architecture governing deterministic, verifiable, and governed AI behaviour across regulated industries. Public specification under AGPL-3.0.

axilog.io
IP

UK Patents

GB2521625.0 · GB2522369.4

Murray Deterministic Computing Platform. Two granted UK patents covering deterministic computing architecture. Assigned to Spey Systems Ltd.

Portfolio

SpeyTech

speytech.com

Technical portfolio and insights surface operated by Spey Systems Ltd. Open-source projects, engineering articles, and educational resources in deterministic systems and safety-critical software.

speytech.com
SaaS

SpeyBooks

speybooks.com

Accounting software for developers. Deterministic financial kernel, API-first architecture, UK-compliant double-entry ledger. Built on the same deterministic principles as the wider portfolio.

speybooks.com

The company.

Spey Systems Ltd is a private limited company incorporated in Scotland. It is the legal entity behind the Axioma framework, the SpeyTech technical portfolio, and the SpeyBooks accounting platform.

The company holds two granted UK patents covering the Murray Deterministic Computing Platform — GB2521625.0 and GB2522369.4 — and maintains an active open-source presence through the SpeyTech GitHub organisation.

Spey Systems Ltd is the contractual counterparty in all commercial and procurement engagements. For capability statements and tender enquiries, see the capability statement.

Registered name
Spey Systems Ltd
Company number
SC889983
Jurisdiction
Scotland, United Kingdom
Registered office
Inverness, Scotland
Brand assets
SpeyTech · Axioma · SpeyBooks
Patents
GB2521625.0 · GB2522369.4