Tax Preparation & Planning

Proactive Tax Strategies for Individuals & Businesses

UK tax rules change every year, and the cost of getting them wrong, from late filing penalties to tax paid that did not need to be, can be significant. Accutax Services prepares and files your returns accurately and on time, and looks ahead so that decisions are made before the deadline rather than after it.

We act for sole traders, landlords, limited companies and their directors, contractors and ecommerce sellers, as well as individuals with investment income or capital gains to report. With over 15 years of experience, our team handles everything from a single self assessment return to the full tax affairs of an owner-managed company and its directors.

We simplify the complexities of tax season. Our team ensures your taxes are filed accurately and on time, while proactively identifying deductions and credits to reduce your tax burden. Choose from a range of specialised services, including:

What's Included

Depending on your circumstances, our tax services can include some or all of the following.

Key UK Tax Deadlines

Missing a deadline can mean penalties and interest, even when no tax is due. These are the dates most of our clients need to know. We track them for you and remind you well in advance.

• 31 January Online self assessment tax return filing deadline, and payment of any balancing payment for the previous tax year plus the first payment on account for the current year.
• 31 July Second payment on account for the current tax year, if payments on account apply to you.
• 5 October Deadline to register for self assessment if you need to file a tax return for the first time for the tax year that ended on the previous 5 April.
• 9 months + 1 day Corporation tax payment is due 9 months and 1 day after the end of your company's accounting period (for most small and medium-sized companies).
• 12 months The company tax return (CT600) must be filed within 12 months of the end of the accounting period.
• 1 month + 7 days Quarterly VAT returns and payment are due 1 month and 7 days after the end of each VAT period.
• 60 days Capital gains tax on the sale of UK residential property must be reported and paid within 60 days of completion.
• Quarterly (MTD) Making Tax Digital for Income Tax quarterly updates apply from April 2026 for sole traders and landlords with qualifying income over £50,000, over £30,000 from April 2027 and over £20,000 from April 2028.

Read more in our guide to Making Tax Digital in 2026. Deadlines can differ for larger companies and in some specific circumstances, so please check with us.

Our Tax Services in Detail

Self assessment

We prepare and file your self assessment tax return, whether you are self-employed, a landlord, a company director or have income from savings, dividends or overseas. We check that allowable expenses and reliefs are claimed, explain your payments on account, and help you prepare for Making Tax Digital for Income Tax if it applies to you.

Corporation tax

For limited companies we prepare the corporation tax computation and CT600 return alongside your year-end accounts, making sure capital allowances and other available reliefs are considered. We tell you what is due and when, so the payment deadline never catches you out.

VAT

We advise on when you need to register, which VAT scheme suits your business and how particular transactions should be treated, then prepare and submit your returns digitally under Making Tax Digital for VAT.

Capital gains tax

Selling property, shares or a business can create a capital gains tax liability. We calculate the gain, consider any reliefs and exemptions that may be available, and handle the reporting, including the 60-day return for UK residential property.

Inheritance tax planning

We can help you understand your potential inheritance tax exposure and the general planning options available, such as lifetime gifts and the use of available reliefs, and work alongside your solicitor or financial adviser where wills, trusts or investments are involved.

R&D tax relief claims

If your company is developing new products, processes or software, it may be able to claim research and development tax relief. We review whether your projects are likely to qualify and prepare well-supported claims.

Director remuneration

How you pay yourself from your company, through salary, dividends, pension contributions or a combination, has a direct effect on the total tax paid by you and your company. We review the balance each year as rates and thresholds change.

Who It's For

Our tax services are designed for sole traders, landlords and limited companies, with specialist support for contractors, landlords and property investors, ecommerce sellers and construction businesses under CIS.

Unhappy with your current accountant? We make it simple to switch accountants, and handle the handover so there is no gap in your filings.

How It Works & How Our Fees Work

We begin with a call to understand your income, your business and any deadlines coming up. We then agree exactly what we will do for you, gather your records and take over your filings and correspondence with HMRC.

Most clients pay a fixed monthly fee agreed upfront, which spreads the cost across the year and means no surprise invoices at tax return time. You can compare our packages for sole traders, landlords, contractors and limited companies on our pricing page.

Tax Preparation & Planning FAQs

The information on this page is general guidance only and does not constitute tax advice for your specific circumstances.

Serving businesses and individuals in Watford, High Wycombe and Park Royal, London — and remotely across the UK.