Every public page, in one place.
A flat index of the public surface of yionstack.co.uk — 57 pages, grouped by purpose. App pages behind sign-in are not listed; crawlers should use the XML sitemap.
Get started
The first stops if you are new — what we are, what it costs, how to reach us.
- Home
The UK-first Business OS overview.
/ - Pricing
Plans, billing toggle, and the comparison matrix.
/pricing - Contact
Reach a real person — sales, support, security.
/contact - Why YionStack
The one-system case, against the stack you are running today.
/why-yionstack - Sign in or start free
One email, magic link or passkey.
/sign-in
What we believe
The long-form case for an operating system, and the architecture behind the claim.
- The manifesto
Our belief, our nine principles, our mission and the one question every feature answers.
/manifesto - The Business Operating System
What the category is, and six questions that tell a real one from a suite.
/business-operating-system - How it works
The core, the data boundary, the identity model, the event spine and the operator.
/how-it-works - The platform
Every module, and the six things all of them share.
/product - Yion, the operator
What it knows, what it can do, and what it will never do without asking.
/yion-ai - Security by architecture
Why the structure is the security, and what we commit to when it is tested.
/security
Product
Anchors on the home page that drop you into specific sections.
- Modules
Every module that ships with YionStack.
/#modules - AI Operator
How YionAI drafts, asks, and acts.
/#operator - Compliance
UK statutory, awarding bodies, internal assurance.
/#compliance - About / founder note
Why YionStack exists.
/#founder - FAQ
The questions buyers ask first.
/#faq - Notifications
How the OS decides what is worth interrupting you for.
/features/notifications - Integrations
What YionStack connects to, and what it replaces outright.
/integrations
Discover
Open listings from the UK businesses running on YionStack.
- Search everything
One search across published business profiles, live vacancies and public courses.
/discover - Business directory
UK businesses that have published a public profile. Company facts, services, areas served and accreditations.
/business - Meet Yion
Who Yion is, in its own words — and what it does for a business.
/ai/yion - Jobs board
Roles across every business hiring on YionStack. Apply without an account.
/jobs - Course catalogue
Courses and qualifications from UK training providers and colleges.
/catalog
Resources
What we are building, what is operational, and how to integrate.
- Roadmap
Shipped, in build, on the roadmap — updated monthly.
/roadmap - Live status
Operational status across every subsystem.
/status - Developers
API surface and integration guides.
/developers - Changelog
What shipped, when.
/changelog - Blog
Yion insights — the one editorial feed.
/blog - Help guides
Walkthroughs for the things UK businesses do every week — VAT, RTI, CIS, CS01.
/help - UK glossary
Plain-English explainers for the statutory terms you cannot avoid.
/guides - Move your data in
Migration guides from the tools YionStack replaces.
/move
Company
Who is behind this, who uses it, and how to work with us.
- About
Who we are and why we built this.
/about - Customers
UK businesses running on YionStack.
/customers - Careers
Open roles at YionStack.
/careers - Partners
Accountants and advisors — the referral programme.
/partners - Community
Where users of the OS talk to each other.
/community - Press
Media enquiries and brand assets.
/press - Trust centre
Security posture, sub-processors, compliance evidence.
/trust - Security
How we protect your business data.
/security
Legal
Counter-signable documents and statements aligned to UK law.
- Terms of Service
B2B, UCTA-aware, England & Wales jurisdiction.
/legal/terms - Privacy notice
UK GDPR Articles 13 & 14 — purposes, lawful bases, rights.
/legal/privacy - Data Processing Agreement
UK GDPR Article 28 processor agreement.
/legal/dpa - Security overview
How we protect your business data — plain English.
/legal/security - Vulnerability disclosure
How to report a security issue. RFC 9116 aligned.
/legal/vulnerability-disclosure - Accessibility statement
WCAG 2.2 AA target, live a11y controls.
/legal/accessibility - Cookie policy
Live preference toggles + full inventory.
/legal/cookies - Anti-bribery & corruption
Bribery Act 2010 policy — zero tolerance.
/legal/anti-bribery - Modern slavery statement
Voluntary statement under MSA 2015 §54.
/legal/modern-slavery - Whistleblowing policy
PIDA 1998 — confidential disclosure channel.
/legal/whistleblowing - Data subject requests
How we handle UK GDPR Articles 15–22.
/legal/data-subject-requests - Data retention schedule
Master schedule — what we keep, why, how long.
/legal/data-retention - DPIA framework
How we assess high-risk processing under Articles 35–36.
/legal/dpia - Incident response
Breach detection, containment, notification timeline.
/legal/incident-response - Company information
Companies Act trading disclosures + map.
/legal/company