Seats, Enterprise and services, with every line labelled.
Checkout is not switched on for this site yet. Every capability marked LIVE below is open to everyone today, nothing is limited until checkout opens, and no buy button takes money before then.
One authoritative price configuration. The website, the checkout, the structured data, the contract and the sales documents read the same figures, and a release gate fails the build if any of them disagree. Prices are quoted exclusive of VAT. LEXUN is not currently VAT-registered, so none is added today; when it is, Stripe Tax adds it at checkout and business customers can enter a VAT number.
- The full engine and every released model, unlimited runs
- Three saved decisions under a LEXUN Key
- Three Copilot messages a day
- For individual advisers, fractional CFOs and decision professionals working alone
- Every decision kept; exports and PDF reports; the calibration view
- Bought by card on /plans
- For practices, fractional CFO firms and finance teams
- Everything in Pro for every seat; the audit-trail export; the board-ready report in the pilot
- Bought by card on /plans; by invoice from ten annual seats
- Annual contract, agreed after a pilot
- Never sold from a page
Pro — £9 a month or £79 a year
The individual plan, described here because every Organisation seat contains it. The maths is identical on Free: a paid plan never buys a better answer, only the kept record, the exports and the support.
| Included | Status | Notes |
|---|---|---|
| One personal workspace | LIVE | Local-first, encrypted on the device under a LEXUN Key; no account, no server copy |
| Full decision engine, all released models | LIVE | Runway, career change, major purchase — 5,000 seeded paths, probability bands, sensitivity, scenarios, cost of delay. The same maths on every plan, including Free |
| Unlimited decision runs | LIVE | No run counter on any plan |
| Every decision kept | LIVE | Free keeps three saved decisions; Pro keeps every one, with forecasts, outcomes, evaluations and the calibration record |
| Scenario comparison and assumption tracking | LIVE | Expected, upside, downside, stress and act-versus-wait; an assumption register with material-change checks and versioned reissue |
| Decision freeze | LIVE | Frozen criterion, sealed receipt, three-prompt freeze checklist |
| Outcome reminders | LIVE | .ics calendar files you download; emailed reminders are PLANNED · R2 |
| Calibration record | LIVE | Personal Brier record; no accuracy percentage below ten outcomes |
| PDF Decision Record and exports | LIVE | The print-quality Decision Record; the sealed .lexun package with its hash-chained audit trail; CSV evidence export |
| Share links | LIVE | Second-opinion invite links and receipt sharing; verifiable on /verify |
| AI Copilot, sixty messages a day | LIVEneeds the deployment key | Plain-English intake that fills the form from your own words, the explanation of a result and the assumption challenger; AI text is labelled and every number in it comes from the engine or is removed (Free: three a day) |
| 14-day trial, no card | LIVE | Ends by itself if no card is added; nothing saved is ever deleted when a plan ends |
| Email support | LIVE | hello@lexun.co.uk, one working day |
Organisation seat — £49 per seat per month
Everything in Pro for every seat, plus the items below. Seats are bought in any quantity from one; annual billing charges ten months for twelve (£490 a seat). From ten annual seats an invoice and a signed order form are available instead of a card.
| Included | Status | Notes |
|---|---|---|
| Everything in Pro, for every seat | LIVE | Each seat is a person’s workspace with the full Pro entitlement |
| Board summary and report | PILOT | The Copilot writes an executive summary of a frozen result for the Decision Record (every figure from the engine; two hundred messages a day a seat) LIVE; the full board layout of the sample report is produced with you in the pilot and templated in PLANNED · R2 |
| Audit-trail export | LIVE | The hash-chained ledger of what was decided, frozen, reported and evaluated, exported inside the sealed .lexun package and checkable on /verify |
| Seat quantity, proration, upgrade, downgrade, cancellation and invoices | LIVE | Self-serve in the Stripe billing portal from Settings → Manage plan, once checkout is switched on for this site |
| Server-verified entitlement | LIVE | A plan is confirmed against Stripe on every visit; the browser is never trusted as proof of payment |
| Shared client or departmental workspaces | PLANNED · R2 | One workspace per person today |
| Roles and permissions; review and approval workflows | PILOT | Run by LEXUN in the pilot and written into the frozen record; self-serve with the hosted service in PLANNED · R2 |
| Team audit history; decision ownership | PILOT | Recorded in the pilot record; enforced in software in PLANNED · R2 |
| Assumption monitoring; outcome follow-up; team calibration | PLANNED · R3 | Thresholds, owners and check frequency; evidence requests at the due date; an organisation Brier record gated at ten outcomes a domain |
| API keys and signed webhooks | PLANNED · R4 | The OpenAPI contract is published; there is no hosted API yet |
| SSO readiness | BY AGREEMENT · when implemented | SSO/SAML is not implemented; the hosted service is being designed for it. Not sold as live |
| itemised invoices | LIVE | Stripe issues them; business customers enter a VAT number at checkout |
| Priority support | LIVE | Same working day, named contact, from five seats |
Enterprise — £25,000 to £100,000 a year
Priced according to seats, business units, decision volume, implementation requirements, integrations, support and governance, and agreed after a pilot. Never represented as more than it is: SSO, SCIM, SLA, private deployment and custom integration are marked available by agreement, pilot or planned until each is implemented and tested.
| Included | Status | Notes |
|---|---|---|
| Annual contract; enterprise onboarding; implementation and training package | LIVE | Contracted and delivered by LEXUN; the former Business packages fold in here |
| Implementation support and quarterly decision review | LIVE | People, not software — included in the contract price |
| Contracted support targets | LIVE | Response-time targets in the contract; an SLA with service credits is BY AGREEMENT · when implemented |
| Security and procurement pack; data-processing agreement | LIVE | /procurement; the DPA is drafted against the current architecture, on request |
| Named customer-success contact; executive quarterly review; procurement support; security review | LIVE | People, not software |
| Custom approval workflows; portfolio risk dashboard; board reporting | PLANNED · R4 | Sequential or parallel approvals, required reviewers, delegation, expiry; exposure, deadlines, assumptions requiring attention, outcomes due |
| Organisation-wide audit log; data-retention controls; model-governance controls | PLANNED · R4 | Which model versions an organisation approves for use |
| Advanced audit exports; custom reporting; integration support | PLANNED · R4 | API contract published; no hosted API yet |
| SSO/SAML and SCIM | BY AGREEMENT · when implemented | Not implemented. Offered only once implemented and tested, and marked as such in the contract |
| Sandbox environment | PLANNED · R4 | The demonstration workspace is read-only today |
| Optional private deployment assessment | BY AGREEMENT · when implemented | Assessed, not promised |
| SLA options | BY AGREEMENT · when implemented | Response targets are contracted today; uptime SLAs depend on the hosted service |
What moves a quote within the range: seats, business units, decision volume, implementation support, integrations, support targets, governance requirements, and whether a private deployment assessment (assessment only; private deployment is available by agreement once implemented) is wanted.
Services
Founding pilot
£1,500 for a 30-day software-led pilot: one workspace, up to five users, one live decision, evidence workshop, scenario modelling, challenge session, approval and freeze, board-ready report, outcome-monitoring plan and a conversion option. £2,500–£5,000 over 60 days when workshops and Decision Audit support are included. The pilot fee is credited against the first four annual Organisation seats (£1,960) or an agreed contract signed within 60 days. A free pilot is not offered by default; it needs a specific strategic reason and written success criteria. The pilot →
Decision Audit
One consequential decision examined end to end. Focused £2,500–£4,000, Strategic £5,000–£8,500, Board £10,000–£15,000. What changes the price: number of decisions, scenarios, evidence volume, stakeholder count, data preparation, workshop requirements, custom modelling, reporting, follow-up period and governance requirements. The Decision Audit →
How buying works
| Path | Status | Detail |
|---|---|---|
| Self-serve subscriptions (Pro, Organisation seats) | LIVE | Stripe Checkout with cards, Apple Pay and Google Pay; VAT by Stripe Tax; annual shown first. The buy buttons appear only when the operator has configured Stripe for this site; until then the page says checkout is not switched on and nothing can be charged. |
| Server-verified entitlement, seat quantities, proration, upgrade, downgrade, cancellation, failed-payment grace, invoice access, customer portal | LIVE | Entitlement is checked against Stripe on every visit and never inferred from browser storage. A failed payment keeps the plan for Stripe’s retry window; a plan that ends loses nothing that was saved. Changes and cancellation happen in the Stripe billing portal from Settings → Manage plan. |
| Invoiced Organisation seats | LIVE | From ten annual seats: order form, invoice, purchase-order reference; seats provisioned by hand until accounts ship with the hosted service in PLANNED · R2. |
| Negotiated Enterprise agreements | LIVE | Annual contract with start and renewal dates, agreed after a pilot; enterprise billing and contract-management tooling is PLANNED · R4. |
| Annual incentive | LIVE | Two months free on annual Organisation seats (£490 for twelve months); Pro annual is £79 against £108 of monthly billing. |
Questions buyers ask
What does a seat actually buy today?
Everything in Pro for that person — the full engine, every decision kept, exports, the PDF Decision Record, the calibration view — plus the audit-trail export, VAT invoicing, priority support, and the founding-customer commitment that the shared workspace, roles and approvals arrive as they ship at no change to the price for the first year.
Why buy seats when the team features are planned?
Because the pilot delivers the workflow with people while the software catches up, and because founding customers set the roadmap. If that trade is not right for you, wait for Release 2 — the page will say when it ships, and the price will not have moved for those who joined earlier.
Is the maths different on a paid plan?
No. Every tier runs the same released models. A paid plan never buys a better answer; it buys the record, the workflow and the support.
Can I see it before paying?
Yes: the engine is free without an account, the demonstration workspace is a fictional company through the whole loop, and the sample board report is what a frozen decision looks like on paper.
Request a quote, an invoice for seats, or Enterprise pricing
Tell us the shape of your organisation and the decisions you have in mind. A person replies with a written quote against the figures on this page.