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Welcome to our November Newsletter

As we approach the end of 2025, several important updates are taking shape across the business and tax landscape. This month brings several changes that will affect company directors, self-employed individuals, and UK residents with overseas income. We begin with a reminder that, from 18 November, all company directors and people with significant control will be required to verify their identity with Companies House - a major step towards greater corporate transparency and accountability.
We also take a closer look at the new Foreign Income and Gains (FIG) regime, which replaces the remittance basis for non-domiciled individuals. This change marks a significant shift in how foreign income is taxed, and understanding the new 4-year FIG relief will be crucial for those recently becoming UK residents.

In addition, HMRC is urging young adults aged 18 to 23 to check whether they have unclaimed savings in dormant Child Trust Fund accounts - many of which could be worth thousands. For company directors and traders, new self-assessment reporting rules come into effect from April 2025, requiring more detailed disclosure when filing tax returns.

Finally, we’ve included the key tax diary dates for November and December to help you stay ahead of upcoming deadlines.

Have you verified your ID at Companies House?

From 18 November 2025, all company directors and people with significant control (PSCs) will be legally required to verify their identity at Companies House. This verification is being phased in over 12 months and Companies House is contacting companies directly with guidance regarding what needs to be done and by when.

These changes are intended to help ensure that people setting up, running and controlling companies are who they say they are. An estimated 6 to 7 million people will need to verify their identity by November 2026. The verification process will usually be a one-time requirement. Verification can be undertaken directly with Companies House through GOV.UK One Login or via an Authorised Corporate Service Provider (ACSP).

If you are using GOV.UK One Login you will be asked simple questions to find the best way for you to verify your identity. You must provide answers about yourself, not your company. Depending on your answers, you will then be guided to verify:

• with an app
• by answering security questions online
• by entering your details from your photo ID on GOV.UK One Login first, then going to a participating Post Office

To verify your identity at Companies House, you can use the GOV.UK online verification service if you have one of several accepted photo identification documents.

These include a biometric passport from any country, a full or provisional UK photo driving licence, a UK biometric residence permit or card or a UK Frontier Worker permit.

If you do not have any of the accepted forms of photo ID but live in the UK, there are alternative ways to verify your identity. This includes verifying your identity in-person at a Post Office or using details from your bank or building society account together with your National Insurance number.

If you are unable to verify your identity using any of the available online or in-person methods, you can appoint an ACSP, such as an accountant or solicitor to verify your identity on your behalf. The ACSP must be registered with Companies House and a UK Anti-Money Laundering (AML) supervisory body. You will need to provide approved documents as evidence of your identity and the agent may charge a fee for their services.

Claiming 4 years Foreign Income and Gains relief

The remittance basis of taxation for non-UK domiciled individuals (non-doms) was replaced with the new Foreign Income and Gains (FIG) regime from April 2025. This new regime is based on tax residence rather than domicile. Under the new rules, nearly all UK-resident individuals must report their foreign income and gains to HMRC, regardless of whether they had previously claimed remittance basis or are claiming relief under the FIG regime.

Former remittance basis users not eligible for the new FIG relief are now taxed on newly arising foreign income and gains in the same way as other UK residents. However, they will still be taxed on any pre-6 April 2025 FIG that is remitted to the UK.

A key feature of the new regime is the 4-year FIG relief. This is available to new UK residents who have not been UK tax resident in any of the 10 preceding tax years. These individuals can opt in to receive full tax relief on their FIG for up to four years. Claims must be made via a self-assessment return, with deadlines falling on 31 January in the second tax year after the relevant claim year. The FUG relief lasts for a maximum of 4 consecutive years starting from when a person first became a UK tax resident. Claims can be made selectively in any of the four years, but any unused years cannot be rolled over.

The types of foreign income which are eligible for relief includes:

• profits of a trade carried on wholly outside the UK
• profits of an overseas property business
• dividends from non-UK resident companies
• interest, such as interest paid on a foreign bank account

An individual’s ability to qualify for the 4-year FIG regime will be determined by whether they are UK resident under the Statutory Residence Test (SRT).

Check if you can cash in a Child Trust Fund

HMRC has issued a press release urging 18-23 year olds who have yet to claim their Child Trust Fund (CTF) cash to do so as soon as possible. According to HMRC, over 758,000 young adults in this age group have unclaimed funds, with the average savings pot estimated to be around £2,240.

Anyone who turned 18 on or after 1 September 2020 could have unclaimed money in a dormant CTF. Parents of children aged 18-23 should also check if their children have claimed the funds to which they are entitled.

Children born between 1 September 2002 and 2 January 2011 were eligible for a CTF account, with the government contributing an initial deposit, typically at least £250. These accounts were set up as long-term savings for newly born children.

HMRC’s Second Permanent Secretary and Deputy Chief Executive, said:

‘If you’re between 18 and 23, you could be sat on a savings payout and not even realise it. Just search ‘find my Child Trust Fund’ on GOV.UK to find your savings account today.’

More than 563,000 young people went online to find their CTF in the 12 months to August 2025. September 2024 was the busiest month when over 71,000 searches were submitted.

Approximately 6.3 million Child Trust Fund (CTF) accounts were created during the scheme's operation. If a parent or guardian was unable to open an account for their child, HMRC stepped in and set up a savings account on the child’s behalf.

Heads up for company directors

As of April 2025, directors of close companies and self-employed taxpayers face new mandatory reporting requirements on their Self-Assessment returns.

Up to 900,000 company directors and 1.2 million taxpayers carrying on a trade will be impacted by new rules that require them to provide more information when filing their 2025-26 self-assessment returns.

Legislation has been enacted that introduces mandatory reporting obligations for certain taxpayers, including those who begin or cease trading and directors of close companies. These measures came into effect on 5 April 2025 and apply for the current 2025-26 tax year and later tax years.

Company directors of close companies will face new reporting requirements. Most small private companies will meet the definition of a close company and there are some specific tax rules that apply to these companies. From 5 April 2025, taxpayers impacted by the change must confirm whether they are directors of a close company and provide further details, including the company’s name and registered number, the value of dividends received and their percentage shareholding in the company. If shareholding changes during the year, the highest percentage held must be reported. Answering these questions will be mandatory when submitting 2025-26 tax returns and beyond.

The new rules also introduce a mandatory requirement to report the start or cessation of a trade that was previously a voluntary requirement. Taxpayers are now required to include the date of commencement or cessation of their business in their tax return, whether for personal tax, partnerships or trustees. This change applies to tax returns for 2025-26 and beyond.

Tax Diary November/December 2025

1 November 2025 - Due date for Corporation Tax due for the year ended 31 January 2025.

19 November 2025 - PAYE and NIC deductions due for month ended 5 November 2024. (If you pay your tax electronically the due date is 22 November 2025.)

19 November 2025 - Filing deadline for the CIS300 monthly return for the month ended 5 November 2025.

19 November 2025 - CIS tax deducted for the month ended 5 November 2025 is payable by today.

1 December 2025 - Due date for Corporation Tax payable for the year ended 28 February 2025.

19 December 2025 - PAYE and NIC deductions due for month ended 5 December 2025. (If you pay your tax electronically the due date is 22 December 2025).

19 December 2025 - Filing deadline for the CIS300 monthly return for the month ended 5 December 2025.

19 December 2025 - CIS tax deducted for the month ended 5 December 2025 is payable by today.

30 December 2025 - Deadline for filing 2024-25 self-assessment tax returns online to include a claim for under payments to be collected via tax code in 2026-27.