Spey Systems Ltd
Private limited company registered in Scotland. Legal entity behind the Axioma framework, SpeyTech portfolio, and SpeyBooks platform.
Last reviewed
Mission
Spey Systems Ltd builds deterministic computing infrastructure for contexts where correctness is not optional. The company's work spans verifiable AI execution, audit-critical financial software, and open-source tooling for safety-critical systems.
The unifying principle across all assets is determinism: the same inputs produce the same outputs, provably, across platforms, builds, and time. This is not a positioning choice — it is an engineering constraint that shapes every design decision the company makes.
Portfolio structure
Spey Systems Ltd is the holding entity for the following assets. Each operates under its own brand and domain; the legal and contractual surface is always Spey Systems Ltd.
Verifiable AI execution framework. Seven-layer architecture governing deterministic, verifiable, and governed AI behaviour in regulated industries. Public specification under AGPL-3.0. Primary contact: axioma@speysystems.com
Technical portfolio and insights surface. Open-source projects, engineering articles, and educational resources in deterministic systems and safety-critical software. Brand asset operated by Spey Systems Ltd — not a trading name for the company.
Accounting software for developers. Deterministic financial kernel, API-first architecture, UK-compliant double-entry ledger. speybooks.com is the marketing and documentation surface; app.speybooks.com is the product — React SPA, Fastify API, PostgreSQL deterministic financial kernel.
All public repositories under Spey Systems Ltd, including the Axioma framework specification, the certifiable-* ecosystem for safety-critical ML pipelines, and open-source educational tooling.
Murray Deterministic Computing Platform. Two granted UK patents covering deterministic computing architecture, assigned to Spey Systems Ltd. For IP and licensing enquiries, contact commercial@speysystems.com
Founder
William Murray is the founder and director of Spey Systems Ltd. He is a Senior UNIX and Batch Engineer by profession, a Visiting Scholar at Heriot-Watt University, and the inventor named on both UK patents held by the company.
He is the maintainer of all assets operated by Spey Systems Ltd. For technical correspondence regarding the Axioma framework, use axioma@speysystems.com. For general and commercial enquiries, use commercial@speysystems.com.
Funding
Spey Systems Ltd is bootstrapped. No external salary, no commercial investment, and no institutional grant currently supports the company's operations. All assets sit under the limited company and are developed from the company's own resources.
The company is actively pursuing grant funding through the NLnet NGI Zero Commons Fund for Axioma framework development. Commercial enquiries and conformance-service engagements are the primary revenue pathway.
Contact
Three purpose-separated addresses. Use the one that matches your enquiry — it routes to the right inbox without delay.
- Commercial
- commercial@speysystems.com General business, partnerships, IP and licensing
- Procurement
- procurement@speysystems.com Public-sector and tender enquiries
- Axioma
- axioma@speysystems.com Framework technical correspondence