UK-owned AI infrastructure for regulated business.
Private AI platforms, GPU workstations, and managed storage — operated on hardware we own, in the United Kingdom. Built for organisations where confidentiality is a duty, not a preference.
Where your AI runs is a legal decision.
Most AI routes through infrastructure controlled by US-headquartered providers. For firms bound by client privilege, patient confidentiality, or regulatory duty, that is no longer an abstract concern. Two facts from the public record:
Microsoft France's chief legal officer testified under oath that he cannot guarantee European customer data will never be handed to US authorities under the CLOUD Act — regardless of where the data is stored.
The United Kingdom placed AWS, Microsoft, Google Cloud and Oracle under direct Bank of England, PRA and FCA supervision. Dependence on hyperscale cloud is now, formally, a UK financial-stability concern.
Our answer is architectural, not contractual. PureTensor Ltd owns its compute, operates it in the United Kingdom, and is registered in England and Wales. Your prompts, your documents, and your models run on infrastructure governed by UK law — because that is where the hardware physically is and who legally operates it.
UK-owned. UK-hosted. Governed by UK law.
PureTensor delivers managed AI environments for regulated UK organisations — legal, financial services, healthcare, and engineering. We operate the infrastructure; you consume the service. No cloud engineering required.
Private AI Platform
AI that understands your documents, answers your questions, and runs entirely within UK jurisdiction. Purpose-built for legal, healthcare, and compliance teams who need AI without the complexity or the risk.
Fully managed. Operated by us, governed by UK law.
Built for law firms, chambers, healthcare practices, and compliance teams.
Talk to the EngineersGPU Workstations
Remote GPU desktop environments for design, engineering, simulation, and visualisation — delivered as a managed service on infrastructure we operate. More powerful than anything in your office, accessible from anywhere.
UK-resident infrastructure. No cross-border data movement.
Ideal for architects, designers, engineers, and media teams.
Request a DemoManaged Storage & Data Platform
S3-compatible object storage, high-speed NVMe working sets, and resilient archival tiers. Engineered for AI pipelines, production data, and operational durability.
UK jurisdiction. Erasure-coded redundancy.
Ideal for AI teams, media teams, and organisations with large datasets.
Plan Your StorageWe own the silicon. Our prices are real.
Most AI services are built on rented capacity, priced by venture-subsidised cloud platforms. When that pricing normalises — and it has already begun — rented-infrastructure services reprice with it. PureTensor took the opposite position: we bought the hardware.
The market has validated the decision in an unusual way. The Blackwell-generation workstation GPU at the heart of our fleet has risen from $8,565 at launch (March 2025) to $16,000 (August 2026) — an 87% increase for identical silicon. The same card rents on US hyperscale cloud at rates that cross its full purchase price in roughly seven months of continuous use.
For our clients this is not an investment story; it is a stability story. Our cost base does not move when a hyperscaler repricing lands. Owned compute means service pricing that holds, capacity that is actually there, and an operator who answers for both.
Auditable Architecture, Operated by Its Owners
Every layer designed, tested, and operated as a single integrated system you can inspect and trust. Behind the service is PureTensor's AI-native infrastructure: autonomous operations, high-performance inference systems, and production platform engineering across Kubernetes, distributed storage, and GPU compute.
Compute & AI Services
Current-generation NVIDIA Blackwell inference on AMD Zen 5 platforms. Every model deployment is isolated, auditable, and entirely under your organisation's control.
Platform & Storage Services
Highly available erasure-coded storage pools with dedicated storage fabric. Documented deletion procedures for regulatory compliance.
Offices in Marylebone, London. Infrastructure owned and operated in the Thames Valley data corridor, governed by UK law.
Discovery. Deploy. Operate.
Every engagement follows the same three steps: a requirements and compliance discovery, a deployment we build and verify, and an operated service with named engineers behind it. Standard environments deploy in days, not months.
Private AI Platform
We design, deploy, and operate private AI environments tailored to your data, your compliance requirements, and your operational reality. No cloud engineering expertise required.
What's included
- —Requirements discovery and compliance review
- —Architecture design and deployment
- —Ongoing management, monitoring, and support
- —Quarterly performance review and optimisation
GPU Virtual Workstations
Secure remote workstation environments provisioned to your team’s specifications. Centralised management, predictable costs, no hardware refresh cycles.
What's included
- —Per-user GPU workstation provisioning
- —Application installation and configuration
- —Fleet management dashboard
- —Technical support
Managed Storage & Data Platform
S3-compatible object storage, resilient backup, and AI-ready data infrastructure. Scales with your data, not your overhead.
What's included
- —Storage capacity allocation
- —Data migration support
- —Monitoring and alerting
- —Geographic replication setup
Not sure which tier fits? Tell us about your project.
Start a ConversationNo commitment required. Talk directly to our engineering team.
The engineering is public.
PureTensor, Inc. — our US research affiliate — publishes the engineering records behind the platform: measured systems, documented failures, reproducible results. The infrastructure you rely on here is the infrastructure measured there.
Engineering Records
System records for the inference runtime, the self-healing operations layer, and the memory substrate — published as measured engineering, not marketing.
puretensor.ai →Threat Intelligence, Delivered
Continuous geopolitical and cyber intelligence briefings for UK organisations — delivered as a managed service on the PureTensor Argus platform, operated under UK jurisdiction.
Argus system record →Infrastructure With Conviction
Most infrastructure today is built for abstraction, not accountability. It promises scale while diluting ownership, performance while obscuring control, and convenience while increasing dependence. PureTensor takes the opposite view. We believe serious organisations require systems they can understand, trust, and direct. That means infrastructure that is not merely available, but intelligible; not merely powerful, but governed; not merely modern, but properly run.
Heimir HelgasonLinkedIn ↗
Founder & CEO
Designed and built PureTensor's AI platform from bare metal. 200G RDMA fabric, erasure-coded distributed storage, NVIDIA Blackwell inference. Background in algorithmic trading, cross-border capital markets, and entrepreneurship. Deep expertise in autonomous agent systems, sovereign infrastructure design, and large-scale model deployment.
Ahmed W. KhalilLinkedIn ↗
Strategic Advisor
CFA charterholder and former infrastructure finance lawyer. Career spanning top-tier international law, institutional capital allocation, and European private equity. Advises on capital strategy, investor relations, and market expansion. Fluent in Arabic, English, German, and French.
PureTensor Ltd and PureTensor, Inc. (Delaware, US) are independent companies under common founder ownership. The Ltd owns and operates the UK compute estate; the Inc is a US research laboratory.
We are building the team: platform engineering, regulated-sector delivery, and operations. Introduce yourself via the contact form.
Jurisdictional Clarity
UK-registered company, UK-resident infrastructure, UK law governs your data. Registrable facts, not marketing claims.
Technical Accountability
Named engineers, direct access, no ticket queues. You know who operates your environment.
Security by Design
Encryption at rest and in transit. Least-privilege access. Full audit logging. Documented deletion procedures on request.
Start a Conversation
Tell us about your project and we'll configure the right environment.
2 Portman Street, Marylebone, London W1
We respond within one business day.
Direct access to the engineering team. No ticket queues. No sales pipeline.