🏗️ CIS Tax Specialist · Uxbridge UB8

CIS Accountant in Uxbridge, Subcontractor & Contractor Specialists

HMRC-registered CIS specialists serving Uxbridge subcontractors, contractors and construction trades across UB8 and the wider Hillingdon borough. Same-day refund filing, monthly contractor returns and gross payment status applications. Fixed monthly fees.

HMRC Registered AgentServing Uxbridge UB8Same-Day CIS Refund FilingMonthly Returns HandledFixed Monthly Fees
Free Tool · 2025/26 Tax Year

See what HMRC owes you — in 60 seconds

20% is deducted from every CIS invoice before your expenses are counted. Most subcontractors are owed a refund. Three numbers, instant estimate — no signup.

Calculate My CIS Refund →

CIS Accountant in Uxbridge

CIS Tax Made Simple for Uxbridge Construction Workers

Uxbridge anchors the western end of London's construction map: town-centre residential schemes, the long build-out of St Andrew's Park on the former RAF station, business park refurbishments along the A40 corridor, and a steady flow of extension and renovation work across Hillingdon's suburbs. The trades doing that work are overwhelmingly CIS subcontractors, and CIS is why most of them overpay tax: deductions of 20 per cent (30 per cent unverified) come off every payment with no regard to actual costs. A properly prepared Self-Assessment typically returns £1,500 to £5,500.

Your Tax Help Accountants, HMRC-registered, handles the whole CIS picture for Uxbridge trades: same-day refund filing from 6 April, every legitimate expense captured (van, fuel, tools, tickets, materials, phone), monthly CIS300 returns for contractors engaging subbies on local schemes, verification before first payment, and gross payment status for established businesses. Fixed monthly fees, fully online, with our Stanmore office half an hour round the A40 when you want to talk in person.

💡 As an HMRC-registered agent, we deal with HMRC directly on your behalf, filing monthly returns, processing refund claims and handling verifications. Same-day filing available from 6 April for the fastest refund.

What We Handle

Complete CIS Service for Uxbridge Subcontractors & Contractors

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Same-Day CIS Refund Filing

Self-Assessment filed within 24-48 hours of 6 April with every legitimate expense captured. HMRC refunds typically arrive 4-6 weeks later. Average refund £1,500-£5,000.

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Monthly Contractor Returns (CIS300)

Full monthly CIS300 returns filed direct to HMRC for Uxbridge contractors engaging subcontractors. Verification handled, payment statements produced, penalties avoided.

Subcontractor Verification

We verify your Uxbridge subcontractors with HMRC before you pay them, ensuring the correct deduction rate (gross, 20 per cent or 30 per cent) is applied from day one.

Gross Payment Status Applications

For established Uxbridge subcontractors meeting the turnover, compliance and business tests, we prepare and submit gross payment status applications so you receive payments without deduction.

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Receipt Capture & Bookkeeping

Simple receipt-capture app for tools, fuel, materials, PPE and CSCS card renewals. Every legitimate expense captured throughout the year, not scrambled together at the deadline.

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Late Filing & Penalty Mitigation

Behind on Self-Assessment or CIS returns? We bring you up to date and engage with HMRC about penalties, requesting reductions where there's a reasonable excuse.

Owed CIS Refund From a Previous Year?

You can claim CIS refunds for up to four prior tax years. Many Uxbridge subcontractors are owed several thousand pounds across multiple years. Book a free call and we will scope it out.

📅 Get Your Free Backdated CIS Review

Real Client Story

How we got a Uxbridge CIS subcontractor £5,500 back

Client U is a plumber from Uxbridge splitting his year between a St Andrew's Park residential phase and his own domestic customers across Hillingdon. Two income patterns, one van, and a filing history of copying last year's numbers forward.

We separated the CIS contract work from his private invoicing, captured both properly, claimed the van and 9,500 miles, his pressure-testing kit and tools, Gas Safe renewal, materials bought for domestic jobs, phone and insurance, and corrected an error where his private work had been double-counted against his CIS deductions.

Outcome: £2,950 refund plus a corrected prior year worth another £1,100, and a clean split going forward between contract and domestic income.

Why Your Tax Help Accountants

Your Local CIS Specialists.

  • HMRC-registered CIS agent serving Uxbridge online
  • Same-day refund filing from 6 April every year
  • Monthly contractor returns (CIS300) handled cleanly
  • Subcontractor verification before you pay
  • Gross payment status applications for qualifying trades
  • Receipt-capture app provided as part of the service
  • Fixed monthly fees, no per-return charges, no surprises
4.5★
Google Rating
Same Day
CIS refund filing
£1.5k-£5k
Typical CIS refund
Fixed Fee
No surprise bills

CIS Tax Questions Answered

Frequently Asked CIS Questions

How much CIS tax can I get back as a Uxbridge subcontractor?
Typical CIS refunds for Uxbridge subcontractors range from £1,500 to £5,000 depending on your gross earnings, allowable expenses (van, fuel, tools, PPE, materials, mobile, training) and how much was deducted under CIS during the year. Higher earners with substantial expenses and good record-keeping often see refunds at the upper end. We capture every legitimate expense and file for the maximum legitimate refund.
How quickly can you file my CIS refund after 6 April?
We file within 24-48 hours of the 6 April tax year end for clients who have their records ready. HMRC then typically processes the refund within 4-6 weeks. Filing in April rather than January means your refund lands months earlier. For a £5,500 refund that's a meaningful cash flow benefit.
I'm starting with a new main contractor in Uxbridge. Anything to sort before my first payment?
Get verified with HMRC before your first invoice so deductions start at 20 per cent rather than the 30 per cent emergency rate, keep your CSCS card current at the right level for your trade (plus NPORS or CPCS if you operate plant), and keep every payment and deduction statement the contractor issues. Start a mileage log on day one. Five minutes of setup is routinely worth thousands at refund time.
What CIS expenses can I claim as a Uxbridge subcontractor?
All genuine business expenses: van and fuel costs (HMRC simplified mileage rate of 45p per mile for the first 10,000 business miles or actual costs plus capital allowances), tools and equipment, PPE and work clothing, CSCS card renewal, training certifications, materials you purchase yourself, mobile phone (business proportion), accountancy fees, and a reasonable home-office proportion.
I'm a Uxbridge contractor paying subcontractors. What CIS returns do I need to file?
Monthly CIS300 returns are due by the 19th of each month covering the previous month's payments to subcontractors. The return shows total payments, deductions taken and any reasonable expenses. You also need to verify each subcontractor with HMRC before you pay them to confirm the correct deduction rate. We handle the verification, monthly returns and payment statements as part of our fixed monthly service.
How do I apply for gross payment status as a Uxbridge subcontractor?
Gross payment status lets you receive CIS payments without any deduction, improving cash flow substantially. You need to meet three tests: turnover above £30,000 per partner/director (or £100,000 for partnerships/companies), a compliance test (clean Self-Assessment and PAYE record for the previous 12 months), and a business test (genuine construction business with proper bank account, premises and equipment). We prepare and submit the application and handle any HMRC queries.
I do CIS contract work and my own private jobs. How does that work on one tax return?
Both go on the same Self-Assessment as self-employed income, but they behave differently: CIS work arrives with tax already deducted, private work arrives gross. Done right, your expenses spread across both and the CIS deductions often cover the tax on the private work too, producing a refund. Done wrong (a very common DIY error) the private income gets effectively taxed twice. We keep the two streams clean all year.
How do I get started?
Book a free 15-minute call via our Calendly link or ring 07478 645331 (or our office line on 020 8050 4564). We work with Uxbridge CIS clients fully online and we know UB8 and the wider Hillingdon borough well. We tell you honestly what refund you should be expecting and what records we need from you. No obligation, no hard sell.

Get Your CIS Refund Filed Today

No obligation. No jargon. A straightforward conversation about your Uxbridge CIS position, how much refund you should be expecting and how quickly we can get it filed.

Office: 020 8050 4564  |  Mobile: 07478 645331  |  info@yourtaxhelp.co.uk