Answer 22 plain-English questions and Orion scores your engagement against the five IR35 factors, grounded in current tribunal case law. Borderline? A qualified UK IR35 specialist reviews it the same day. Get your free score in minutes — or unlock the full report, contract-clause analysis and a signed SDS for £9.99.
22 questions · verdict + confidence band · all five factor scores · no login.
Check my status free Launch dealEverything in Free, plus contract clause analysis, dual-model deliberation and a downloadable SDS PDF.
Get my full reportSubstitution, control, mutuality, financial risk and “in business on own account” — each weighted per HMRC ESM and case law (PGMOL, Atholl House, Armitage).
Upload your contract on the paid report. Orion extracts verbatim clauses per factor and blends them at 30% weight with your answers — per Autoclenz, practice trumps paper.
Below the Nebula house threshold — or inside the ±0.20 borderline band — the case routes straight to a qualified IR35 reviewer.
Every paid review is timestamped, model-versioned, and exportable as a Status Determination Statement PDF.
We're building Claire — your Nebula concierge — alongside a team of FCA-aware specialists for pensions, mortgages, savings and investing, with anything material always reviewed by a qualified human. It's launching soon. For now, Orion has your IR35 status covered.
Join the waitlistFree five-factor score in minutes — no card, no login. Upgrade to a signed, audit-ready SDS whenever you're ready.