
Important Tax Deadlines & Events (Updated For 2026)
It is crucial to stay on top of key tax dates to keep your financial affairs in order. Here’s a friendly reminder of the important tax deadlines this year.
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It is crucial to stay on top of key tax dates to keep your financial affairs in order. Here’s a friendly reminder of the important tax deadlines this year.

Discover the suggested reimbursement rates for employees’ private mileage using their company car.

Now is the perfect time to review your finances and make sure you’re making the most of available tax reliefs and allowances.

It is that time of year again for staff parties and annual functions, so it is important to make sure you record it properly.

For landlords and property-based businesses, tax and regulatory costs continue to rise. Planning now needs to account for longer-term affordability, not just short-term compliance.

Tax around selling assets, passing on wealth and succession planning is becoming less generous and more complex. For business owners, landlords and families, the decisions you make over the next few years could have a lasting tax impact.

Tax relief on business investment remains generous, but it is becoming more nuanced. Understanding which relief applies, when to invest and how expenditure is structured is key to making the most of what is available.

Rachel Reeves has today delivered her Budget, setting out a range of tax, welfare and economic measures that will affect individuals, businesses, and investors across the UK. Please find below our breakdown of the main points announced.

Those on lower wages may benefit from minimum wage increases and frozen transport and prescription costs, while higher earners and investors could face increased tax pressure through threshold freezes and changes

The Autumn Budget 2024 signalled some significant changes on the way for families, landowners and business owners. From 6 April 2026

Making Tax Digital for Income Tax is being rolled out, and HMRC has now published guidance explaining how individuals who cannot use digital systems can apply for an exemption

In the last edition, we outlined HMRC’s Advisory Fuel Rates (AFRs) from 1 September 2025. One update worth noting is that there are now two separate rates for fully electric company cars, depending on where the vehicle is charged.

In a recent Upper Tribunal (UT) decision — Investment and Securities Trust Limited v HMRC — the taxpayer achieved a partial success. The case concerned whether a company was entitled to relief from the Annual Tax on Enveloped Dwellings

We’re in full Budget season, and speculation will swirl until 26 November 2025. One rumour currently causing concern is whether the Government might cut or remove the 25% tax-free pension lump sum.

The Chancellor is set to deliver the Autumn Budget 2025 on 26 November, and this one is shaping up to be significant. With the government facing ongoing fiscal challenges, we may see further tax rises aimed at tackling the public finance deficit.

A recent First Tier Tribunal case, Charlotte MacDonald v HMRC, has highlighted the importance of demonstrating that a trade is carried on with a genuine intention to make a profit. The taxpayer was denied sideways loss relief for losses arising from the organisation of an annual ‘woodland shoot’ on an estate.

Umbrella companies have recently come under renewed scrutiny. In June 2025, HMRC released Spotlight 71: Warning for agency workers and contractors who are moved between umbrella companies

HMRC withdrew Form VAT652 (Error Correction) on 8 September 2025. This form was previously used to notify HMRC of VAT return errors that could not be corrected on the next VAT return.

We are delighted to announce that we will now be able to support business funding solutions through our partnership with Swoop Funding. Through Swoop, we can now compare and tailor solutions across:

HMRC has issued a fresh warning to property buyers about misleading Stamp Duty Land Tax (SDLT) repayment claims.

Individuals born before 22 September 1959 and living in England, Wales or Northern Ireland are likely to be entitled to a Winter Fuel Payment

Retailers who sell kitchens, bathrooms, or flooring often work with third-party contractors to provide fitting services. While this may seem straightforward, HMRC is increasingly challenging these arrangements when it comes to VAT.

Artificial Intelligence (AI) is transforming the way we work and live. But a recent Upper Tribunal case, HMRC v Marc Gunnarsson, has highlighted the risks of relying on AI without proper checks.

The Department for Business and Trade (DBT) has confirmed that major reforms to Statutory Sick Pay (SSP) will take effect from April 2026. These changes are designed to improve employee rights but will also increase costs for many employers.

HMRC will be running a digital campaign aimed at encouraging accurate private use adjustments of business expenses that are reported via Self Assessment returns.