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Self-Assessment Tax Returns - File Your HMRC Tax Return Online with Ultra Tax Ltd

Discover the ease of filing your Self-Assessment Tax Returns with Ultra Tax Ltd. Our professional tax accountants ensure your HMRC tax returns are accurately prepared and filed online on time, maximising your tax refunds and minimising your liabilities. We specialise in comprehensive tax filing for individuals, sole traders, and limited company directors, providing personalised solutions that cover all aspects of tax deductions and compliance with HMRC regulations. Avoid the hassle and potential errors of self-filing - let our experts handle your tax return process from start to finish. Contact us today for seamless and stress-free tax management. Start now and experience the difference with Ultra Tax Ltd’s top-rated tax return services.

Self Assessment tax return filing

Self-Assessment Tax Returns:
How To Get Started

To get started with your Self-Assessment Tax Return, follow these three simple steps below. Our expert tax accountants will then prepare your Tax Return and send it to you for approval before filing it with HMRC.

Fill In Our Tax Return Form

Provide us with your basic details on our online form.

Speak To A Tax Accountant

Your dedicated accountant will speak with you about your tax situation.

Provide Your Tax Documents

Your accountant will request necessary documents from you to complete your tax return.

Construction Worker Receiving her tax return

How much will my
Self-Assessment Tax Return Cost?

Self Assessment tax returns done for you, from just £20.99 Per Month

Our expert accountants manage the entire process, ensuring it's quick, easy, and personalised to your needs. Experience completely stress-free filing!

Key features

Affordable one-off fee with flexible monthly payment options

Expert guidance on tax-saving opportunities

Effortless and hassle-free filing process

Dedicated tax experts supporting you every step of the way

Client Satisfaction Guaranteed:

Don't just take our word for it – join the many delighted accountancy clients who trust Ultra Tax Ltd for their accounting needs.

Mark Healer

Second time I've used ultra tax having only recently went self employed. I found them to be very efficient and friendly to use and wouldn't hesitate to use them again

Will Singh

Brilliant to work with, nothing is ever a hassle or a chore. 10/10 service very pleasant and this firm makes you feel at complete ease. I have used other companies in the past but 100% staying with Ultra tax for the foreseeable. Highly recommend and for me most importantly I can phone or email and they are there to support at all times.

Aleks Peeva

I had a really enjoyable experience working with Ultra Tax Ltd. Their knowledge and expertise clearly show, but what sets them apart is their unwavering commitment to providing an exceptional customer experience. The whole team is very diligent, organised, and results-driven. I couldn't recommend Ultra Tax Ltd enough.

HMRC Tax Return Filing Services: Simplifying Your Tax Filing Experience 

Navigating the online tax filing process with HMRC can sometimes be daunting, especially for those unfamiliar with digital platforms or tax terminology. Understanding which sections to complete, what information is required, and how to accurately input financial details can pose challenges. At Ultra Tax Ltd, we simplify the tax return process by offering expert guidance and support tailored to your specific tax situation. Our team of award winning tax advisors and accountants ensure that all necessary documents are correctly prepared and submitted on time, minimising the risk of errors or omissions that could lead to penalties. Whether you're self-employed, a company director, or have income from multiple sources, our dedicated professionals are here to make your tax filing experience straightforward and stress-free. Trust Ultra Tax Ltd Accountants to handle your tax return with precision, allowing you to focus on what matters most – your business and personal priorities.

What is a Self-Assessment Tax Return?

A Self-Assessment Tax Return is a straightforward way to inform HMRC about your taxable income, such as rental income, capital gains, and other earnings. It also allows you to detail your expenses and claim any tax allowances or tax reliefs you’re entitled to. HMRC processes this information to determine your total tax liability or potential tax rebate. For the self-employed, completing a Self-Assessment Tax Return is essential for calculating your allowances and tax obligations accurately.

Who Needs to File a Self-Assessment Tax Return?

Self-Assessment Tax Returns are not just for the self-employed. There are many circumstances under which HMRC may require you to file a tax return. If you are a company director, earn rental income, have substantial savings or investment income, or receive income from abroad, you must file a Self-Assessment Tax Return. Ignoring HMRC’s request for a return can result in penalties, so it’s crucial to stay compliant.

Simplify Your Tax Return Filing with Ultra Tax Ltd

Navigating the complexities of Self-Assessment Tax Returns can be daunting, but Ultra Tax Ltd is here to help. Our expert tax accountants are experienced in managing all aspects of tax returns, ensuring accuracy and compliance with HMRC regulations. We take the stress out of tax filing, allowing you to focus on your business and personal goals. Whether you need assistance with tax calculations, expense tracking, or understanding tax deductions, our team provides personalised support to maximise your tax efficiency. Contact us today to get started with your Self-Assessment Tax Return and experience hassle-free tax management.

What Documents Do I Need To File My Self-Assessment Tax Return?

To file your tax return accurately, you will need to gather these essential documents:


1. P60

A P60 summarises your income and the taxes deducted by your employer throughout the tax year. It's crucial for reporting your employment income.


2. P11D

If you received benefits or expenses from your employer, a P11D form details these. It's necessary to report any taxable benefits.


3. Bank Statements

Bank statements provide evidence of income, such as interest earned, and any other payments received throughout the tax year.


4. Receipts and Invoices

Keep receipts and invoices for expenses you wish to claim as tax deductions. These could include business expenses, charitable donations, or other allowable expenses.


5. Rental Income Records

If you earn rental income from property, maintain records of rental income received and expenses incurred, such as maintenance costs or mortgage interest.


6. Pension Statements

Statements from pension providers show any pension income received during the tax year. Include these to report your total income accurately.


Having these documents organised ensures your tax return is complete and minimises errors in reporting.

When Is The Tax Return Deadline?

The deadline for submitting your tax return in the UK is a crucial date that varies depending on how you file:


Self-Assessment Tax Return Deadline:


Online Filing: 

The deadline for filing your tax return online is January 31st following the end of the tax year, which runs from April 6th to April 5th. This means if you're filing for the tax year ending on April 5th, 2024, (the 2023/24 tax year) your online submission deadline would be January 31st, 2025.


Paper Filing: 

If you choose to file your tax return on paper, the deadline is earlier, typically October 31st preceding the January online deadline. For example, for the tax year ending on April 5th, 2024, (the 2023/24 tax year) the paper filing deadline would be October 31st, 2024.

Penalties for Late Filing of Self-Assessment Tax Returns

Missing the self-assessment tax return deadline can result in penalties:


1 day late: A penalty of £100, even if there is no tax to pay or you have already paid the tax due.


3 months late: Additional penalties of £10 per day, up to a maximum of £900.


6 months late: Further penalties of 5% of the tax due or £300 (whichever is greater).


12 months late: Another 5% or £300 charge, depending on your circumstances. In especially severe cases, this penalty could be as high as 100% of the tax due.


These penalties highlight the importance of submitting your tax return to HMRC on time, even if you believe you don't owe any tax. HMRC imposes these penalties to encourage timely filing and compliance with tax obligations. It's crucial to mark these deadlines in your calendar and ensure all necessary documents and information are prepared well in advance to avoid unnecessary penalties and stress.

How Can I View My Tax Return Online?

One of the convenient aspects of managing your tax affairs in the UK is the ability to access and review your self-assessment tax return online through HMRC's secure platform.


Accessing Your Tax Return Online:


To view your tax return and manage your tax obligations digitally, follow these steps:


Log in to Your Government Gateway Account: 

Use your credentials to access the Government Gateway portal, where you can securely manage your tax affairs online.


Navigate to the Self-Assessment Section: 

Once logged in, locate the Self-Assessment section within your account dashboard. This section is specifically designed for individuals to file their tax returns and manage related tax matters.


Review and Amend Your Tax Return: 

Upon accessing the Self-Assessment section, you can review the details of your tax return. This includes verifying income sources, deductions, and allowances. If needed, you can make amendments to ensure accuracy before submission.


Submit Your Tax Return: 

After reviewing and confirming the accuracy of your tax information, securely submit your tax return through the HMRC online portal. This ensures that your tax obligations are fulfilled promptly and in compliance with HMRC regulations.


Benefits of Online Access:

Managing your tax return online offers several benefits, including:


Real-Time Updates: 

Instant access to your tax status and any communications from HMRC regarding your tax affairs.



Access your tax information anytime and anywhere with an internet connection, eliminating the need for paper forms and postal submissions.


Secure Communication: 

Directly communicate with HMRC regarding any queries or additional information needed for your tax return.


By utilising HMRC's online services, you streamline the tax filing process, ensuring accuracy and efficiency in managing your tax obligations.

What Is The Difference Between A Tax Return And A Tax Refund?

Navigating the intricacies of tax returns and tax refunds is essential for optimising your financial strategy:


Tax Return: 

A tax return is your formal submission of income, expenses, and other financial details to HMRC. It serves as the basis for calculating your tax liability for the year.


Tax Refund: 

When you've paid more tax than required, you may be eligible for a tax refund. This could result from overpayments through PAYE or claiming deductions and reliefs that reduce your taxable income.


Expert Guidance from Ultra Tax Ltd


At Ultra Tax Ltd, we specialise in maximising your tax efficiency and securing the tax refunds you're entitled to. Our dedicated team meticulously reviews your financial details to identify opportunities for tax rebates. Whether it's optimising claims for work-related expenses, charitable donations, or other allowable deductions, we ensure every avenue for refund is explored.


Simplifying Tax Management


Managing taxes can be complex, but with Ultra Tax Ltd, it's streamlined. We offer comprehensive services including precise tax planning, calculation of tax liabilities, and seamless submission of tax returns using HMRC-approved software. Our proactive approach minimises errors and ensures compliance, providing you with peace of mind.


Explore Your Potential Tax Rebate


Ready to unlock the benefits of tax rebates and efficient tax management? Contact Ultra Tax Ltd today to discuss how we can maximise your tax refunds. Our team is committed to delivering tailored solutions that enhance your financial well-being and optimise your tax position.


With our expertise and commitment to excellence in tax accounting, we're here to guide you through every step of your tax journey, ensuring you benefit from all available tax rebate opportunities.


Tax Rebate Calculator


Calculate your Tax Refund, determine your Tax Rebate, or estimate Tax Refunds easily with our free online Tax Return Calculator. Don’t wait! Use our UK Tax Rebate Calculator to start your claim or contact us for personalised support.

Remember, with Ultra Tax Ltd, calculating your Tax Rebate is just the beginning of maximising your Tax Returns.

When Can I Expect to Receive My Completed Tax Return?

At Ultra Tax Ltd, we understand the importance of timely and accurate tax return processing. Our dedicated team of HMRC-registered tax professionals ensures a seamless experience, tailored to meet your specific needs:


Efficient Processing of Your Tax Return:


Navigating the complexities of self-assessment tax returns can be daunting, but with Ultra Tax Ltd, you're in capable hands. We leverage HMRC-approved software and extensive expertise to expedite the preparation and submission of your tax return. Whether you're a sole trader, company director, or involved in property rentals, our comprehensive service covers all aspects of self-assessment with precision.


Swift Turnaround and Compliance:


Expect your tax return to be completed swiftly (typically within just 2 working days) when you choose Ultra Tax Ltd. We prioritise accuracy and compliance, ensuring all necessary tax calculations are meticulously handled. Our proactive approach includes notifying you promptly of any tax liabilities or potential tax refunds, empowering you to plan your taxes effectively.


Expert Guidance and Support:


As recipients of the "Tax Team of the Year 2024" award, we take pride in offering not just efficient services but also personalised tax guidance. Our team remains accessible throughout the process, ready to address your queries and provide strategic tax advice. Whether you're eligible for tax reliefs, exemptions, or seeking to maximise allowable deductions, we ensure your tax return reflects your financial situation accurately.


Client-Centric Approach:


We understand that navigating HMRC regulations can be complex, which is why we're committed to simplifying the process for you. From initial consultation to final tax return submission, our focus remains on delivering exceptional service that exceeds your expectations. We aim to build long-term relationships based on trust, reliability, and expertise in tax management.


Ensuring Compliance and Peace of Mind:


Avoid the stress of last-minute tax filings and potential penalties by partnering with the tax accountants at Ultra Tax Ltd. Our proactive approach and thorough understanding of HMRC guidelines ensure your tax return is not only filed on time but also compliant with all regulatory requirements.


Ready to start your self-assessment tax return process? Contact Ultra Tax Ltd today to discuss your tax needs and experience the difference our dedicated team can make.

What Is A UTR Number And Why Do I Need It?

A UTR (Unique Taxpayer Reference) number is essential for managing your tax affairs:


Understanding UTR Numbers:


Unique Identifier: 

The UTR number is a 10-digit reference assigned by HMRC to uniquely identify individuals and entities for tax purposes.


What Is A UTR Number Used For?

It's indispensable for various tax-related activities, including self-assessment tax returns, corporation tax filings, and interactions with HMRC regarding self-assessment matters.


Security and Accuracy: 

Safeguard your UTR as it serves as a personalised identifier, ensuring accurate tax reporting and compliance with HMRC regulations.


Having a UTR number streamlines your tax administration process, facilitating seamless communication with HMRC and ensuring that your tax affairs are managed efficiently.

What Is The Current Tax Year In The UK?

The UK tax year defines the period for which you report income and pay taxes:


Current Tax Year:


Dates: April 6th to April 5th of the following year.


Example: The tax year 2024/25 runs from April 6, 2024, to April 5, 2025.


Significance: Dates determine filing deadlines, tax allowances, and eligibility for certain benefits.


Understanding the tax year cycle helps in planning and managing your tax obligations effectively.

What are CIS Tax Returns and How Do They Work?

CIS (Construction Industry Scheme) tax returns are crucial for contractors and subcontractors operating within the construction industry. This scheme involves the deduction of tax from payments made by contractors to subcontractors for construction work.


Understanding CIS Tax Returns:


Construction Industry Scheme (CIS):


The Construction Industry Scheme (CIS) is a tax deduction scheme specific to the construction industry in the UK. It aims to prevent tax evasion by ensuring that taxes are deducted at source from payments made to subcontractors.


Subcontractor Payments:


Under CIS, contractors are required to deduct tax (known as CIS deductions) from payments made to subcontractors before paying them. These deductions are then paid to HMRC on behalf of the subcontractor.


CIS Tax Return:


A CIS tax return is a mandatory monthly submission to HMRC by contractors who are registered under the CIS. It involves detailing payments made to subcontractors and the tax deducted from these payments during the tax month.


Compliance Requirements:


Compliance with CIS regulations is essential for contractors to avoid penalties. This includes accurately reporting payments made to subcontractors, deducting the correct amount of tax, and submitting CIS returns on time.


Our CIS Tax Return Services:


At Ultra Tax Ltd, we specialise in handling CIS tax returns for contractors in the construction industry. Our dedicated team ensures compliance with CIS regulations, timely submission of returns to HMRC, and accurate processing of subcontractor payments.


Navigating CIS tax returns can be complex due to regulatory requirements and the need for precise documentation. Our expertise in CIS tax returns enables us to assist contractors in managing their tax obligations efficiently and effectively.


Contact us today to learn more about how we can support your CIS tax return needs and ensure compliance with HMRC regulations.

How Much Do Accountants Charge For Self-Assessment Tax Returns?

Accountants' fees for self-assessment tax returns can vary based on the complexity of your tax situation and the services provided. At Ultra Tax Ltd, we offer transparent and competitive pricing tailored to meet your specific needs.


Self-Assessment Tax Return Accountants Fees:

Tailored Pricing Structure: 

Our fees are customised based on the complexity of your tax affairs, ensuring you receive a quote that reflects the services required for your unique situation.


Comprehensive Service Coverage: 

Our fees encompass a range of services essential for accurate tax filing. This includes tax calculation, meticulous form preparation, and timely submission to HMRC.


Maximum Fee Assurance: 

Rest assured, our maximum fee for Self-Assessment tax returns is capped at £250. This ensures affordability while maintaining the high standard of service expected from a professional tax agency.


Transparent Cost Communication: 

We believe in transparent pricing. Before proceeding, we discuss and agree on fees upfront, ensuring clarity on the scope of services provided and avoiding any surprises.


Choosing a qualified accountant for your Self-Assessment tax return ensures compliance with HMRC regulations and maximises tax efficiency. Our team of accountants at Ultra Tax Ltd is committed to delivering accurate and reliable tax solutions, providing you with peace of mind throughout the tax filing process.


Contact us today to discuss your Self-Assessment tax return needs and benefit from our expertise in tax compliance and optimisation.

5 Best Kept Secrets To Save Money On Your Self Assessment Tax Returns

Saving money on your Self-Assessment Tax return requires a strategic approach. Here are five best-kept secrets to help you minimise your Tax liability:


Utilise All Allowable Tax Deductions:


Many taxpayers miss out on allowable deductions that can significantly reduce their taxable income. Ensure you claim deductions such as home office expenses, professional subscriptions, and business mileage. Keeping detailed records throughout the year to support these claims is crucial. Retain receipts, invoices, and any other documentation that validates your expenses to maximise your deductions.


Claim Tax Relief for Charitable Donations:


Making donations to charity through Gift Aid or similar schemes allows charities to claim extra money from the government. This not only increases the value of your donations but also reduces your taxable income, benefiting both your taxes and causes you care about.


Maximise ISA Investments


Individual Savings Accounts (ISAs) provide a tax-free way to save, shielding income from taxation on interest or gains. By maximising your ISA contributions, you can secure a significant portion of your savings and investments from taxes, especially beneficial for long-term financial goals.


Capital Gains Tax Allowances


Take advantage of your annual Capital Gains Tax (CGT) allowance, which allows a certain amount of profit from asset sales before taxation applies. Strategic planning of asset sales across tax years can help manage and minimise CGT liabilities, potentially reducing your overall tax bill.


Use Marriage Tax Allowance


If you're married or in a civil partnership and one partner earns less than the personal allowance, Marriage Allowance allows for the transfer of up to 10% of the lower earner's personal allowance to the higher earner. This simple strategy can optimise your household's tax position and reduce the overall tax burden.


Bonus Tax Tip: Stay Informed and Plan Ahead


Tax laws are dynamic, and staying informed is crucial. Consult with tax professionals like those at Ultra Tax Ltd to plan your taxes effectively throughout the year. Strategic tax planning can prevent rushed decisions and maximise savings when filing your Self-Assessment Tax return.


Implementing these strategies can help you navigate tax season with confidence, ensuring you maximise your tax savings while complying with HMRC regulations.

What If I Am Owed Tax Back?

If you discover that you're owed money from overpaid taxes, Ultra Tax Ltd makes it straightforward to claim your tax rebate. Visit our dedicated Tax Rebates page and fill out the provided form to get started.


A tax rebate often occurs when you have paid more tax than you are liable for during the tax year. This situation can arise due to various reasons, such as not fully utilising your tax-free allowance, overestimation of taxable income, or incorrect tax code applications.


Receiving a tax rebate or tax refund allows you to reclaim any excess tax that has been over-collected. This could result from payroll deductions under PAYE (Pay As You Earn) or direct payments for self-assessed taxes.


For many individuals, a tax rebate represents a significant amount of money that can positively impact personal finances.


At Ultra Tax Ltd, we specialise in identifying overpayments and assisting our clients in reclaiming what rightfully belongs to them. By filling out our simple online form on our Tax Rebates page, you provide us with the initial information needed to assess your situation and calculate the potential rebate.


Our process is transparent, efficient, and user-friendly, ensuring you understand every step and feel confident that you're receiving the maximum tax rebate due. Whether you're an employee on the wrong tax code, a sole trader with advance payments exceeding tax liability, or a retiree under utilising personal allowances, our team is here to help.


After submitting your information, our tax professionals review your case, handle necessary calculations, and initiate your tax rebate from HMRC.


Don’t let the complexities of tax rebates discourage you from claiming what you're owed. Ultra Tax Ltd is dedicated to providing expert guidance and support throughout the entire process, facilitating the efficient recovery of overpaid taxes.


Visit our Tax Rebates page today, complete the form, and take the first step toward securing your tax refund with our knowledgeable team.

Tax Return FAQs: Your Essential Guide to Common Self-Assessment Questions

Navigating the complexities of tax returns can raise numerous questions. Below, we address key inquiries about self-assessment, deductions, penalties, and more to help you stay informed and compliant. Whether you're new to filing taxes or seeking clarity on specific scenarios, our FAQs provide valuable insights to guide you through the process with confidence.


What Is Self-Assessment Tax?


Self-assessment tax refers to the system where taxpayers in the UK calculate and report their own income tax liabilities. It applies to self-employed individuals, business owners, and others with income not taxed at source.


Can I File My Tax Return If I Have Multiple Sources Of Income?


Yes, individuals with multiple sources of income must report each source separately on their tax return. This includes income from employment, self-employment, rental properties, investments, and any other sources.


How Can I Reduce My Tax Bill Legally?


Taxpayers can reduce their tax bill through various legal methods, including claiming allowable deductions, utilising tax reliefs and allowances, contributing to pensions, and making charitable donations.


What Should I Do If I Make A Mistake On My Tax Return?


If you discover an error on your tax return after filing, you should correct it as soon as possible. You can file an amended tax return or notify HMRC depending on the nature of the mistake. Prompt action can minimise penalties and interest.


Do I Need To Keep Records After Filing My Tax Return?


Yes, taxpayers should retain records and supporting documents used to prepare their tax returns for a specified period. This includes receipts, invoices, bank statements, and any other relevant documents.


Can I Claim Expenses For Working From Home On My Tax Return?


Yes, individuals who work from home may be able to claim certain expenses, such as utilities, internet costs, and office supplies, as allowable deductions. HMRC provides guidelines on what can be claimed.


What Happens If HMRC Audits My Tax Return?


If HMRC selects your tax return for an audit or investigation, they will review your financial records and check the accuracy of your reported income and expenses. It's essential to cooperate fully and provide requested information promptly.


Are There Tax Incentives For Investing In Certain Industries Or Activities?


Yes, governments often offer tax incentives to encourage investment in specific industries or activities. These incentives may include tax credits, allowances, or relief on qualifying expenditures.


What Is The Penalty For Late Payment Of Tax?


Penalties for late payment of tax depend on the amount owed and how late the payment is. Penalties can accrue daily and increase over time until the tax debt is settled.


Can I File My Tax Return Early?


Yes, taxpayers can file their tax returns early before the deadline. Filing early allows more time to review calculations, correct errors, and potentially receive any tax refund sooner.

Expert Tax Return Services At Ultra Tax Ltd

At Ultra Tax Ltd, we excel in simplifying tax returns for our clients. With a team of seasoned tax professionals and HMRC-certified software, we ensure precise tax calculations, timely submissions, and comprehensive support throughout the process. Whether you're self-employed, a company executive, or managing rental properties, our personalised approach addresses your unique tax requirements while maximising potential refunds and minimising liabilities.


Discover why Ultra Tax Ltd is the preferred choice for tax return services in Sunderland and beyond. Contact us today to streamline your tax obligations and secure your financial future with confidence.

Enhance Your Tax Return Experience with Ultra Tax Ltd

At Ultra Tax Ltd, transparency and exceptional service are at the core of everything we do. We're committed to handling all your Accounting and Tax Filing needs with diligence and expertise.

Schedule a Consultation with Our Tax Experts

Book a complimentary consultation with one of our experienced accountants, available either in person or over the phone. This initial meeting allows us to grasp your unique tax requirements and devise tailored solutions to meet your needs.

Consult with Our Dedicated Tax Advisors

Our team transparently outlines the range of support services available and proudly acts as business advisors to foster your company’s growth. We prioritise understanding your business needs to deliver expert tax advice and comprehensive accounting solutions.

Get Your Personalised Tax Return Quote

Our accounting fees are fixed and tailored to suit your specific requirements, ensuring you receive precise and cost-effective support. Experience seamless tax return services with Ultra Tax Ltd today.

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