What changed on 6 April 2026: joint and several liability for PAYE
The headline change is now live. Where an umbrella company sits in a labour supply chain, HMRC can hold a “relevant party” jointly and severally liable for the PAYE and National Insurance that should have been accounted for on the workers’ pay.
“Joint and several” means HMRC can pursue the full amount from any liable party and leave them to recover from the others. In practice the order is clear:
- Where a recruitment agency supplies the workers, the agency closest to the end client it’s the one holding the client contract – is the relevant party HMRC pursues.
- Where there is no agency in the chain, the liability falls on the end client receiving the workers’ services.
The point of the reform is to close down a long-running problem: non-compliant umbrellas that deduct tax from workers’ pay and simply don’t hand it to HMRC, then disappear. By putting a solvent, identifiable party on the hook, HMRC gains someone to collect from.
The uncomfortable part is that this is effectively strict liability. There is no statutory safe-harbour that says “we did proper due diligence, so we’re off the hook.” Good due diligence is essential and will materially reduce your commercial risk, but if an umbrella in your chain fails to pay, the relevant party can still be pursued. Contracts and warranties help you recover from others; they don’t change who HMRC comes to first. Engagements through a worker’s own personal service company are not caught — those stay under the IR35 / off-payroll rules.