Self Assessment Tax Return Service in the UK
Expert Self Assessment Tax Accountants for Quick and Accurate Filing Across the UK
Filing your self-assessment tax return doesn’t have to be stressful. Our expert self-assessment accountants in the UK make sure your tax return is accurate, filed on time, and fully compliant with HMRC rules. With clear pricing and a personalised approach, we help you save time, reduce stress, and get the most tax relief.
Easy Filing with Our Self-Assessment Accountants
Cartwheel International provides complete support for your self-assessment needs. Whether you’re a cab driver, food delivery worker, landlord, or contractor, our self-assessment accountants ensure your filing is correct, compliant, and optimised for available tax reliefs.
Self Assessment Fee
For up to two sources of income- Personal Tax Filing
- Capital Gain Tax Filing
- Dedicated Accountant
- Phone Support
Why Choose Our
Self-Assessment Accountants
We make self-assessment simple and stress-free. Our team helps you gather all your income records, including work, side jobs, property income, or benefits. We check what expenses you can claim, like home office costs, travel, or equipment. Then, we determine exactly how much tax you owe and file your return on time. We also remind you of payment deadlines and help you avoid penalties. Our goal is to ensure your return is accurate and complete and that you don’t pay more tax than you need to.
Our Self Assessment Tax Return Process
Initial Consultation
Get in touch with us by phone or online to start. We’ll review your income and situation and recommend a self-assessment package that fits your needs.
Document Collection
We ask for records like your P60, P45, P11D, and other income details. This includes earnings from work, self-employment, rental income, or benefits. We check everything to make sure no income is missed.
Allowable Expenses & Tax Relief
We help you claim valid expenses such as home office costs, vehicle use, and other business-related costs. We apply HMRC rules and use methods like simplified expenses or cash basis accounting if they help lower your tax.
Accurate Tax Calculation
Our qualified accountant will calculate your total tax and give you a clear breakdown. You’ll know how much you owe, why, and the payment dates. We review it with you before filing.
Reminders and Deadlines
We track your self assessment filling deadlines and send reminders, so you stay compliant and avoid penalties.
Filing Your Return
Once approved, we file your return online using your UTR. Most returns are submitted within 3 to 5 working days.
Ongoing HMRC Correspondence Support
If HMRC contacts you after filing, we help you understand and respond to any letters or notices.
Expert Advice at Every Step
You can ask us anything at any time. Our accountants are here to guide you through every step and offer tax-saving tips along the way.
Our Customers
Numerous businesses place their trust in us. Experience it firsthand by becoming one of our clients.
Frequently Asked Questions
You need to file a Self-Assessment tax return if you’re self-employed and earn over £1,000, a landlord earning rental income, or receive untaxed income such as dividends or foreign earnings. You also need to file if your income is above £100,000, if you’re liable for the High Income Child Benefit Charge, or if you’ve made profits from selling property or investments.
Self-assessment tax accountant helps you collect your income and expense records, calculates your tax, ensures everything meets HMRC rules, and submits your return on time. They also look for any tax relief you can claim to help reduce your bill.
You will need documents such as your P60, P45, P11D, bank statements, invoices, receipts, dividend vouchers, and any freelance or rental income details.
The deadline to file online is 31 January after the end of the tax year, which runs until 5 April. If filing by paper, the deadline is 31 October. Any tax you owe must also be paid by 31 January.
If you miss the deadline, HMRC adds a £100 penalty for late filing. Further penalties and interest can apply the longer you wait.
Yes, you can. We help you claim eligible expenses such as home office costs, mileage, travel, mobile phone bills, and more, based on HMRC rules.
Ready to File Your Self-Assessment with Confidence?
Take the first step with a free consultation. Our friendly accountants will answer your questions, review your situation, and guide you through the process.