Self Assessment is an essential responsibility for anyone with untaxed income, and our Self Assessment tax return service is just one feature of our monthly accounting subscription. With Oakstone Accountants, you can relax knowing your bookkeeping, accounting, taxes, and HMRC dealings are fully handled.
Our Self Assessment tax return service is just one feature of our monthly accounting subscription. With Oakstone Accountants, you can relax knowing that your bookkeeping, accounting, taxes, and HMRC dealings are all fully handled.
We’ll happily answer your questions
Call 020 3037 8883 now to see how we can help you.
At Oakstone Accountants, we understand how stressful running a small business can be. That’s why our monthly accounting services subscription is designed to relieve one of your biggest burdens. We support start-ups, sole traders, small businesses, freelancers, and limited companies with their monthly accounts.
For a single monthly cost with no hidden fees, you’ll receive exceptional support from our expert team of qualified accountants. Alongside Self Assessment tax returns, we also provide the following services:
If you’re self-employed, a company director, or receive untaxed income, you’ll need to file a Self Assessment tax return,
it’s HMRC’s way of collecting income tax.
Filing one yourself can be time-consuming and confusing. Many business owners struggle with HMRC’s system, spending hours calculating figures, tracking expenses, and trying to make sense of their taxable income. Even navigating the GOV.UK website can be a challenge, often requiring a call to HMRC just to understand the basics.
By choosing Oakstone Accountants, you can avoid the stress, spreadsheets, and guesswork. Simply send us your income and expense records, and we’ll take care of everything – from preparing and filing your return to ensuring accuracy and compliance. We’ll also guide you in budgeting for your payments on account, so you’re never caught off guard by large tax bills.
Mistakes, missed deadlines, or unpaid taxes can lead to HMRC fines. That’s why we don’t just handle your Self Assessment, we can even liaise with HMRC on your behalf if needed.
And remember, our Self Assessment service is just one part of our monthly accounting subscription. With a dedicated accountancy team managing your accounts year-round, we’ll document your income and expenses throughout the year, making the submission process smooth and stress-free, while giving you the wider benefits of professional bookkeeping and accounting support.
It’s all too easy to forget about your tax bill until an urgent letter from HMRC arrives and you realise you haven’t budgeted for it. We’ll help you stay ahead by providing advance notice of your tax schedule, so you can pay on time and avoid any unpleasant surprises.
Whether you’re learning new tax terms or looking for ways to be more tax-efficient, your dedicated Self Assessment team is here to help. From minimising Capital Gains Tax to clarifying how your pension affects your self-employed profits, we’ll provide clear answers and tailored advice to your questions.
You may need to complete a self-assessment if you:
--> Are self-employed or a sole trader.
--> Earn income from rental properties.
--> Receive untaxed income such as dividends or investments.
--> Earn over £100,000 in annual income.
Are a director or shareholder of a limited company.
--> Claim child benefit but your income exceeds £50,000.
Failing to file your tax return by the deadline can result in severe penalties: Initial Penalty: £100 for missing the 31 January deadline. Daily Fines: £10 per day after three months, up to a maximum of £900. Further Penalties: 5% of unpaid tax after six months, plus an additional 5% after 12 months. Interest Charges: Interest accrues daily on any unpaid tax. Late filing can also trigger an investigation by HMRC, which could disrupt your business operations and finances.
Make sure that you don't fall foul of HMRC's new laws by using our service.
You may need to complete a Self Assessment Tax Return if you receive income that is not taxed at source.
We assist a wide range of individuals and professionals in managing their annual tax filings accurately and on time.
Below are some of the most common groups we support:
Our Chartered Certified Accountants and Tax Advisers handle your return with accuracy and care. We assist landlords, contractors, freelancers, expatriates, investors (including crypto), and high earners across the UK. Whether simple or complex, we ensure full HMRC compliance, optimise reliefs, and file promptly to help you avoid penalties. With transparent fixed fees, professional service, and ongoing support from start to submission, you can have complete peace of mind.
You may need to file a UK Property Capital Gains Tax (CGT) Return within 60 days of completion. Our Chartered Tax Advisers handle all aspects, from reviewing your case and calculating your gain to filing the return with HMRC and guiding you through payment. Whether you are a UK resident, non-resident, landlord, or selling a former home, we ensure your return is accurate, compliant, and submitted on time. With transparent fixed fees starting from £399, you will receive expert advice, relief optimisation, and comprehensive aftercare support.
Our team of Chartered Tax Advisers and crypto specialists help investors, traders, and Web3 businesses remain HMRC compliant while minimising their tax liabilities. With Big Four expertise and over 1,000 clients supported last year, we provide accurate Capital Gains and Income Tax reporting for crypto, DeFi, and NFTs. From complex transaction reconciliations to voluntary disclosures and HMRC enquiries, we deliver defensible, compliant reports with fixed, transparent fees. Whether you are a long-term investor, active trader, or crypto business, we ensure your taxes are completed correctly, professionally, accurately, and on time.
