Get expert tax guidance for PAYE refunds, Self Assessment, accounting and CIS — all handled with accuracy, speed and complete transparency.
Iridium Tax Ltd is a specialist UK tax agency committed to delivering accurate, compliant, and stress-free tax support to individuals and businesses across the country.
With a team backed by years of professional experience, we combine deep technical expertise with a client-first approach to ensure every tax matter is handled with precision and care.
We understand that dealing with HMRC can feel overwhelming — from complex rules to strict deadlines, the process often creates unnecessary pressure. Iridium Tax Ltd was founded to remove that burden.
To deliver exceptional results, build long-term client relationships, and continuously improve the way people manage their tax affairs.
Our team uses advanced digital tools, streamlined processes, and industry-leading knowledge to deliver a seamless experience from start to finish.
We uphold high standards of accuracy and ensure every claim aligns with HMRC regulations.
Explore our approachWe believe in honest communication, clear processes, and no hidden fees.
Learn moreYour experience matters. We provide personalised support and clear guidance from start to finish.
Discover supportOur digital systems allow fast applications, secure document handling, and efficient claim processing.
See digital toolsTo deliver exceptional results, build long-term client relationships, and continuously improve the way people manage their tax affairs.
To provide professional tax services that empower clients to claim what they are rightfully owed — without stress, confusion, or delays.
Iridium Tax Ltd is more than a tax agency — we are your trusted partner in navigating the UK tax system with confidence.
Iridium Tax Ltd provides a comprehensive range of tax services designed to help you claim what you are legally entitled to with accuracy, clarity and professional support.
We help employees check whether they have overpaid tax through PAYE and support eligible refund claims with careful review and guidance.
Get professional support with Self-Assessment tax matters, helping you prepare information correctly and reduce the risk of avoidable errors.
Our goal is to ensure you receive every penny you are legally entitled to — without unnecessary stress, confusion or avoidable mistakes.
Learn MoreBook a free consultation with Iridium Tax Ltd. Tell us your situation, and our team will guide you with clear, HMRC-focused tax support.
Fill in your details and our team will contact you shortly.
By submitting this form, you agree to be contacted by Iridium Tax Ltd. Your details remain confidential.
Below is a clear breakdown of the main claim categories. This is general guidance and should not replace HMRC legislation. For full details, refer to gov.uk.
This section explains common work-related expenses that may be claimed through Self-Assessment depending on your circumstances and HMRC rules.
These are costs incurred when travelling for business purposes, such as:
These include costs incurred while performing work duties:
If you use your own vehicle for work, you must claim using HMRC’s Approved Mileage Allowance Payments, also known as AMAP.
If your employer fully reimburses your travel costs, you cannot claim tax relief. If your travel costs are not reimbursed, you may be eligible.
For more details to check on HRMC.gov.ukFlat rate expenses allow you to claim a standard amount each year without receipts.
While you can submit a claim directly to HMRC, choosing Iridium Tax Ltd ensures your claim is handled professionally, accurately and with dedicated support from start to finish.
Your claim is reviewed and prepared carefully by experienced tax professionals.
We help organise the right information clearly to avoid unnecessary delays.
Our checks help reduce mistakes that can slow down or affect your claim.
Get clear guidance and regular updates throughout your claim process.
Let professionals handle the process while you stay informed at each step.
For more details to check on HRMC.gov.uk.
Four steps. Zero confusion. Complete financial compliance delivered.
Call, WhatsApp, or fill our form. Tell us your situation — we listen carefully before advising anything.
Your assigned tax specialist reviews the case, identifies eligible tax relief opportunities, and presents a clear action plan.
Upload documents digitally. We handle calculations, claim preparation, and HMRC or Companies House submissions on your behalf.
Receive acknowledgements, updates, and ongoing support for HMRC queries, follow-ups, and future tax years.
