Cis Tax Returns
In Portsmouth
Managing your tax affairs as a contractor or subcontractor in the construction industry requires specialist knowledge, particularly when it comes to the Construction Industry Scheme. Professionals listed on AccountingFirms can assist with CIS Tax Returns in Portsmouth, ensuring that deductions are correctly claimed and that all submissions to HMRC are accurate and timely. The process of completing a CIS Tax Return involves reconciling amounts deducted at source with your overall tax position, and a qualified accountant can help you navigate this complex area. Firms featured in the directory include ACCA, ICAEW, and AAT certified professionals who understand the nuances of the scheme. They can also assist with related obligations such as preparing year-end accounts, filing limited company annual accounts, and managing ltd company accounts. Whether you are a sole trader or run a limited company, getting your CIS Tax Returns right is essential to avoid penalties and ensure you are not overpaying tax. By using AccountingFirms, you can browse local firms and compare providers to find the right expertise for your specific needs. The platform was established in 2019, built by ICAEW and ACCA accountants, and connects you with regulated professionals who can handle everything from Self Assessment to Corporation Tax. When searching for CIS Tax Returns in Portsmouth, you can rely on the directory to present vetted specialists who are familiar with local HMRC requirements. These professionals can also advise on VAT registration and returns, helping you manage your cash flow and compliance. The directory makes it straightforward to find and compare accountants who specialise in the construction sector, so you can focus on your work whilst your tax affairs are in safe hands. For contractors and subcontractors alike, accurate CIS Tax Returns in Portsmouth are vital for financial planning and legal compliance. The professionals listed are committed to delivering clear advice and practical support, ensuring that your returns are filed correctly and on time.
CIS Tax Returns
CIS Tax Returns
- CIS Tax Return Preparation
- CIS Deduction Verification
- Subcontractor Income Reporting
- Allowable Expense Claims
- HMRC Compliance Support
- CIS Tax Rebate Claims
- Construction Industry Scheme Calculations
What's Included — Complete Transparency
✓ No hidden feesIncluded in £150+VAT
- CIS Tax Return Preparation
- CIS Deduction Verification
- Subcontractor Income Reporting
- Allowable Expense Claims
- HMRC Compliance Support
- CIS Tax Rebate Claims
- Construction Industry Scheme Calculations
Available as add-ons
- Additional Rental Property (£39.99+VAT)
- Auto Enrolment (£150.00+VAT)
- Capital Gains Tax (£350.00+VAT)
- Foreign Income (£49.00+VAT)
- HMRC Letter Response & Enquiry Support (£99.00+VAT)
- Management Accounts (£200.00+VAT)
- Prior Year (Late) Tax Return (£199.00+VAT)
- UTR Registration with HMRC (£38.99+VAT)
- Workplace Pension (£150.00+VAT)
Not sure if you need an add-on? Contact us first — we'll tell you honestly before you book.
How It Works — 3 Simple Steps
Book & Pay
Complete your booking online. Pay securely via Stripe. Receive instant confirmation with a document checklist.
Share Your Documents
Upload your P60, self-employment records and any other income details via our secure portal. No paperwork needed.
We File With HMRC
Your ACCA accountant prepares and submits your return within 5 working days. You receive your tax calculation.
Why Choose Accounting Firms?
Fixed, Transparent Pricing
No hidden charges or unexpected bills. Our pricing is clear from the start, so you know exactly what's included before we begin.
Fast & Stress-Free Process
We make accounting simple. Upload your details, answer a few questions, and our team handles the paperwork and submissions for you.
Qualified UK Accounting Experts
Work with experienced UK accountants who understand HMRC requirements and provide practical advice tailored to your situation.
HMRC Compliance & Accuracy
From tax returns to annual accounts, we help ensure your records are prepared correctly and submitted on time to reduce errors and penalties.
Dedicated Support When You Need It
Have questions? Our team is available to guide you through every step and explain things in plain English.
More Than Filing — Business Growth Support
Beyond compliance, we help businesses improve financial visibility, manage cash flow, and make better decisions for long-term growth.
What Portsmouth Clients Say
"Fixed price meant no nasty surprises. My return was done in 3 days and Sarah caught expenses I'd missed that saved me £340 in tax. Will be back every year."
"First time filing self assessment as a freelancer. I was dreading it. The whole process was explained clearly, everything was done online and I didn't have to do anything except provide my records."
"Used to pay £350 to my high street accountant. Same quality service here for £149+VAT and I didn't even have to leave the house. Absolute no-brainer."
HMRC Late Filing Penalties — What You Risk
1 day late automatic penalty
£10/day for up to 90 days
(after 3 months)
of tax owed or £300 after 6 months
further surcharge after 12 months late
Our ACCA accountant files your return in 5 days. Guaranteed on time.
Cis Tax Returns in Portsmouth — Complete Guide 2026
Frequently asked questions
What is a CIS Tax Return and who needs to file one?
A CIS Tax Return is a submission to HMRC that reports income and deductions under the Construction Industry Scheme. Contractors and subcontractors in the construction industry must file this return to reconcile tax deducted at source with their overall liability, ensuring they pay the correct amount.
How can an ACCA or ICAEW accountant help with my CIS Tax Return?
ACCA and ICAEW accountants are highly trained professionals who understand HMRC regulations. They can ensure your CIS deductions are correctly claimed, help with record keeping, and prepare your annual tax return to minimise errors and avoid penalties.
What documents do I need to prepare for a CIS Tax Return?
You will need your CIS statements from contractors, records of expenses, invoices, and any other income details. A qualified accountant can advise on exactly what is required and help organise your paperwork for a smooth filing process.
Can an accountant help with both my CIS Return and Self Assessment?
Yes, many accountants specialise in both CIS Returns and Self Assessment. They can integrate your construction income with other earnings, ensuring all figures are accurate and that you claim all allowable expenses and reliefs available.
What are the penalties for filing a late CIS Tax Return?
HMRC imposes automatic penalties for late filing, starting at £100 and increasing over time. Interest is also charged on any unpaid tax. Using a professional accountant helps ensure your return is submitted on time and correctly.
How do I find a qualified accountant for CIS matters in Portsmouth?
You can use AccountingFirms to browse and compare verified ACCA, ICAEW, and AAT professionals in Portsmouth. The directory allows you to filter by specialism, read profiles, and connect with accountants who understand the construction industry.
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