ICAEW
IR35 Tax Compliance Lead
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IR35 Tax Compliance Lead
At The Institute of Chartered Accountants England & Wales (ICAEW), you'll be part of an organisation that's shaping the future of business, finance and the accountancy profession on a global scale. Our bold 2030 Strategy puts members, innovation, sustainability and trust at the heart of everything we do; creating an exciting, forward-looking environment where your work has real impact. We invest in our people through our benefits package, continuous development and a supportive, inclusive culture that empowers you to grow and thrive. If you're looking for a role with purpose, influence and opportunity, ICAEW is a place where your future can truly take shape.
We're looking for an IR35 Tax Compliance Lead to join our team in Milton Keynes. This is a part-time role, working 21 hours per week, and offers a salary of £60,000 - £68,000 pro rata.
Job Purpose
The IR35 Tax Compliance Lead owns the end-to-end governance, risk management, and operational execution of the UK Off-Payroll Working (IR35) compliance framework. You will act as the business-wide Subject Matter Expert (SME), ensuring that all agency staff, personal service companies (PSCs), and statement of work (SoW) consultants are accurately assessed, documented, and managed.
What you will be doing
Assessment & Determinations
- Conduct Status Determination Statements (SDS) for all new and extending contract assignments using chosen assessment tools.
- Review, audit, and validate Status Determinations initiated by talent acquisition teams or hiring managers.
- Manage the formal Status Disagreement Process, resolving contractor or agency disputes within the statutory 45-day window.
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Governance & Framework Management
- Work with the Central Operations team to design, maintain, and continuously improve the company's internal IR35 policy, compliance workflows, and auditing processes.
- Monitor Statement of Work (SoW) agreements and consultancy vendors to prevent "hidden" workforce supply chains and ensure genuine service delivery.
- Partner closely with Legal, Payroll, Procurement and HR teams to integrate IR35 checkpoints natively into the end-to-end contingent worker lifecycle.
Risk, Audit & Reporting
- Lead routine internal audits of active contractors and supply chain partners to ensure continuous alignment with the issued SDS.
- Maintain accurate, audit-ready compliance logs and documentation to protect the business against potential HMRC investigations.
- Provide regular risk metrics, trend analysis, and operational reports to senior leadership.
Education & Stakeholder Engagement
- Deliver ongoing training and workshops to hiring managers, talent acquisition, and procurement teams to embed IR35 awareness.
- Serve as the primary point of contact for external recruitment agencies, Outsourced Service Providers (MSPs), and legal partners regarding off-payroll compliance.
What you will need
- Expert IR35 knowledge, with deep, demonstrative understanding of UK employment status case law, HMRC guidelines, and the off-payroll working rules.
- Proven track record of managing temporary workforce compliance within a large corporate environment.
- Ability to interpret complex tax legislation and translate it into practical, business-friendly operational processes.
- Strong negotiation skills, with experience handling sensitive contractor disputes and status appeals.
- Experience utilising third-party IR35 assessment tools.
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What you can expect from us
We believe doing your best work starts with feeling supported both professionally and personally. That's why we offer a range of benefits designed to give you flexibility, security, and peace of mind (benefits below are pro rata for part-time hours where applicable):
- A strong pension contribution from us of up to 9%
- Private medical cover with AXA (where eligible), alongside a healthcare cash plan
- Life assurance at 4x your salary
- 24 - 27 days' holiday depending on length of service, plus Christmas closure and the option to buy or sell extra days
- Flexible, part-time working to help you find the right balance
- Everyday savings through gym discounts, travel loans, and retail perks
- Enhanced family leave, including up to 6 months on full pay
- Ongoing wellbeing support, including access to CABA
- A paid day each year to volunteer for a cause that matters to you
It's all part of creating an environment where you can thrive, in work and beyond. For a full overview of our benefits package please see below.
Additional Information
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We reserve the right to close this vacancy earlier than the advertised closing date should we receive enough suitable applications. We therefore encourage interested candidates to apply as soon as possible to avoid disappointment.
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