Ensure your business is compliant with the IR35 & off-payroll legislation

The trusted partner for compliance-focused businesses.
Total confidence with status tools, consultancy and IR35 defence.
Quickly and accurately prove you are IR35 compliant.

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IR35 status
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years' IR35
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The UK's first
IR35 status tool

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IR35 Status Assessments

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Trusted by thousands of proactive businesses every day

We've got your IR35 compliance covered

IR35 compliance checks and investigations are causing costly problems for hiring firms.

Be confident your organisation is in the right hands. Our unique blend of exceptional technology, protected by a team of proven experts will safeguard your business now and in the future.

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Loved by our partners and their teams

Don't just take it from us, listen to some of the reasons our partners recommend IR35 Shield.

“IR35 Shield saves us time, and its robustness leaves us comfortable in the knowledge that our workers have been assessed properly.”

Debbie Chinn

HR Advisor - PGA

“IR35 Shield ensures our assessment process is robust and compliant. The added benefit of Monitoring gives us peace of mind that potential tax risks arising during contracts are easily identified and resolved.”

Drew Horrocks

Head of UK TA Operations - Petrofac

“The assessment being weighted fairly across all factors gives us the confidence to reassure our clients that the outcome is correct.”

Katherine Miller

Head of Legal and Audit - La Fosse

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Why companies large and small trust IR35 Shield

000,000

IR35 status assessments delivered to our customers. And counting.

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The average recommendation score from our customers.

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The year we built and released the UK's first IR35 status tool.

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Definitive IR35 status results. Inside or outside IR35, no indeterminates.

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Over 20 years of experience at the cutting-edge of IR35.

£000K

Defence cost cover available with our Tax Investigation Service.

We know the details so you don't have to

We keep our finger on the pulse of IR35. You can trust our advice and guidance is always up to date.

The Small Consultancies Guide to IR35 - 3 essential steps to maximise value

How contractors can grow a small consultancy and adhere to IR35 compliance to maximise the sale value.

IR35 Shield

Guides

Off-payroll (IR35) Basics - The supply chain and risks

Differences between the new and old rules and key terms explained: chain, worker, fee-payer, intermediary and Status Determination Statement (SDS).

IR35 Shield

Guides

Relief as IR35 Shield Swiftly Closes HMRC IR35 Investigation

A long-time client turned to IR35 Shield for representation in an HMRC investigation, and within months the investigation was closed with no tax bill.

IR35 Shield

Blog

Does IR35 apply to overseas contracts? Explaining the overseas exemptions

The off-payroll rules apply only to contracts where either the client is a UK tax resident or the work is carried out in the UK...

Read the answer in detail

As a small company, should you assess your contractors IR35 status?

The IR35 reforms that came into effect in April 2021 do not affect small companies. Nonetheless, some small companies...

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