Call us today: 📞 01494 312400
Call us today: 📞 01494 312400
Stay Compliant. Save Time.
Maximize Tax Efficiency.
Completing your self-assessment tax return can be time-consuming, confusing, and stressful—especially if left to the last minute. At IIA Accountants, we handle the entire process with accuracy and insight, so you can stay compliant and potentially reduce your tax bill.
Whether you're a sole trader, landlord, contractor, or company director, our expert team ensures your tax return is submitted correctly and on time, without the guesswork.
We prepare and submit your tax return using HMRC-approved software, making sure every detail is accurate and every allowance is claimed.
We calculate your tax liability and explain exactly what’s due, when, and why—so you’re never caught off guard.
We notify you in advance of payment deadlines, helping you avoid late payment interest and penalties.
With IIA Accountants handling your tax return, you get more time, less stress, and peace of mind knowing it’s done right.
Please reach us at Info@iiaaccountants.co.uk if you cannot find an answer to your question.
If you miss the deadline for your self-assessment tax return, it's important to speak to your accountant or HMRC as soon as possible. The sooner you rectify the issue and get the tax return filed and tax paid the better.
If you are late, you'll receive an automatic late filing penalty. You'll also be charged interest on late tax payments.
If you're filing your Self-Assessment tax return online, the deadline is 31st January. For paper submissions, it’s 31st October.
Filing early has major benefits, less stress, more time to plan, and quicker refunds
Copyright © 2025 IIA Accountants - All Rights Reserved.