Self-Assessment
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Self-Assessment
Self-Assessment Tax Return Services
Stress-Free Tax Filing – Done Right, On Time
Filing a Self-Assessment tax return can be time-consuming, confusing, and easy to get wrong. At C&N Accountants, we take the stress out of the process by preparing and submitting your return accurately and efficiently — while helping you maximise deductions and avoid costly penalties.
Whether you’re self-employed, a landlord, a company director, or have income from multiple sources, our expert team is here to make sure your tax return is in safe hands.


Who Needs to File a Self-Assessment Tax Return?
You may be required to file if you:
Are self-employed or a sole trader
Are a company director receiving untaxed income
Earn rental income from UK property
Receive income from overseas
Have income over £100,000
Have capital gains to report
Receive dividends or other investment income
Are a high earner with Child Benefit
Are a partner in a business partnership
Not sure if this applies to you? We’ll help you find out.
Our Self-Assessment Service Includes:
Review of All Income Sources
We gather and verify income from employment, self-employment, property, dividends, interest, and any other relevant areas.
Expense and Allowance Claims
We ensure all allowable expenses, deductions, and reliefs are correctly applied — helping reduce your tax bill legally.
Accurate Tax Return Preparation
Your return is completed by qualified professionals with attention to detail and compliance.
Submission to HMRC
We file your return online, ensuring it is received on time and acknowledged by HMRC.
Deadline & Payment Reminders
We keep you informed of important deadlines so you stay ahead and avoid fines or interest charges.
Year-Round Support
Have a question about your tax situation? Our team is available beyond just January — we're here whenever you need us.
Why Choose C&N Accountants?
Expert Knowledge: We stay up to date with the latest HMRC rules and guidance
Fixed, Transparent Pricing: No hidden costs or surprise bills
Personalised Service: We tailor our approach to your unique tax situation
Quick Turnaround: We work promptly to meet HMRC deadlines and minimise delays
Peace of Mind: Rest easy knowing your return is accurate, compliant, and handled by professionals
Don’t Leave Your Tax Return to Chance
Late or incorrect tax returns can lead to unnecessary penalties. Let C&N Accountants manage your Self-Assessment so you can focus on what matters most.
Contact us today to speak with one of our tax experts and get your Self-Assessment sorted — the right way.