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Taxes and finance in UK

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Double taxation
Personal tax
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Running a business

Tax investigation w UK: kiedy księgowość przestaje się zgadzać, a HMRC zaczyna zadawać kolejne pytania

Im więcej odpowiedzi otrzymywało HMRC, tym większy stawał się problem. W tle były rozbieżności w dywidendach, samochodach, prywatnych wydatkach i dokumentach spółki, a potencjalne zobowiązania sięgały setek tysięcy funtów. Żebyśmy mogli odpowiedzieć na pytania HMRC, najpierw musieliśmy ustalić, co naprawdę wydarzyło się w księgowości i które z wcześniejszych wyjaśnień zamiast zamknąć temat, otworzyły kolejne pytania.

Personal tax

Inheritance Tax w UK. Jak legalnie zmniejszyć podatek od spadku?

„Co powinnam zrobić, żeby po mojej śmierci większość majątku trafiła do rodziny, a nie do urzędu skarbowego?” To, co początkowo miało być rozmową o Inheritance Tax, szybko przerodziło się w analizę majątku znajdującego się w kilku krajach, zasad brytyjskiej rezydencji podatkowej oraz możliwości legalnego planowania sukcesji.

Running a business

TaxOne is a finalist for the 2026 Accounting Excellence Awards in the Tax Team of the Year category

This year's Accounting Excellence awards featured 176 finalists across 22 categories. In our category, Tax Team of the Year for small firms, only six tax teams from across the UK were selected. TaxOne is one of them.

Personal tax

Interest from Poland - how to declare it in the UK and what about the tax implications?

Many Poles living in the UK still use bank accounts in Poland, where interest accrues. In such cases, the bank automatically deducts a 19% tax, which in the Polish system typically concludes the matter. However, in relation to the UK, the situation is different. In this article, we explain how interest from Poland is treated, why the deducted tax is not always the final settlement, and what UK tax residents need to consider.

Personal tax

Belka Tax paid in Poland. Can HMRC still inquire about interest from your account?

Do you have a bank account in Poland and live in the UK? Then it's worth knowing whether the Belka tax truly settles all your tax obligations. In this article, we explain how interest taxation works in Poland, what British regulations say on the matter, and when it's advisable to review your settlements from HMRC's perspective.

Running a business

Signs you're not truly self-employed

HMRC's interest rarely arises by chance. It's usually the result of processes that remain invisible to self-employed individuals and businesses for a long time. In this article, we examine the moments when the tax authority begins to look more closely at self-employment and why this often happens only after a period of time.

Personal tax

New UK inheritance tax rules: how to protect your assets after returning to Poland

You may have moved your life back to Poland, but UK inheritance tax can still affect your estate. This guide explains the new rules for long term residence, why they may apply for up to 10 years after you leave the UK and what to review when planning your estate.

Personal tax

How does HMRC find undeclared income and unpaid tax?

HMRC rarely asks questions at random. Artificial intelligence, the Common Reporting Standard, banks and online platforms help it connect accounts, transfers, foreign income and tax returns. I show real letters from HMRC and the Polish tax office and explain why asking “how did they know?” may come too late.

Running a business

Salary or dividends in 2026/27: which leaves you better off?

Compare salary, dividends and self employment before deciding how to take money from your business.

Personal tax

What does MTD mean for the self-employed, landlords, and small businesses in the UK?

Making Tax Digital changes how many self employed people and landlords keep records and report income. This guide explains who must join, what qualifying income means, whether tax is paid quarterly and how suitable software can give you greater control of your finances.

Personal tax

All about Tax Disclosure in the UK: How I helped a priest put his tax affairs right

Using Father Piotr’s story, I explain how Tax Disclosure works, how HMRC may discover foreign income and why your first reply can determine whether the matter is resolved calmly or becomes a much bigger problem.

Running a business

Making Tax Digital. HMRC's digital revolution and its real significance for businesses

Making Tax Digital introduces a new tax reporting model in the UK. From 2026, self-employed individuals and those with income from property are required to keep digital records and submit quarterly updates to HMRC. In this article, we discuss the implementation timeline, income thresholds, and practical consequences of the new obligations for businesses. Find out how MTD will affect your operations!

Personal tax

Six months in Spain, six months in the UK – how to avoid the trap of double tax residency?

Remote work has led more and more people to dream of a life split between countries. A few months in the UK, a few in Spain, British earnings, and a southern climate – it sounds like an ideal compromise. In practice, however, such a lifestyle requires much more than just good flight connections, because the key question is: where does tax residency arise in such a situation?

Running a business

Is the document alone sufficient? How HMRC assesses self-employment

For many businesses, a contract is the primary safeguard for cooperation and a point of reference in case of an inspection. Find out why, when it comes to HMRC, the document's content alone may not be enough.

Double taxation

"Home is where the Wi-Fi is" – How HMRC checks where you really live

Remote work has blurred the lines between countries. Find out how the UK tax authority determines tax residency and why where you work from doesn't always mean where you pay taxes.

Personal tax

What penalties apply for not filing Self Assessment and how does HMRC treat undeclared income?

Do you think small extra earnings don't need to be declared? Many people only learn about this obligation after receiving a letter from HMRC. Read on to find out if this applies to you too.

Running a business

Business consulting, for when a company needs a plan, not just an accountant.

Do you feel like your company is moving faster than you can manage it? See how a few simple structural changes can bring real savings and peace of mind.

Personal tax

"Nudge Letter." What does it mean when the tax office "gently reminds" you about taxes?

At first glance, it looks innocent, but it can have serious consequences. More and more Poles in the UK are receiving letters from HMRC about foreign income, and many still don't know what they truly mean.

Running a business

Why cheap accounting can cost you dearly – about companies that ruin the market and put clients at risk.

It starts with a promise of full accounting for pennies and ends in financial chaos. The British government says "enough is enough"! See how upcoming changes will end the era of cheap mediocrity.

Personal tax

Tax disclosure in the UK. How one PIT from Poland revealed a chain of errors and a tax refund!

Poznaj historię Marka - Polaka, który przez lata płacił podatki w złym kraju. To kosztowało go milion, zanim odkrył prawdę.

Personal tax

Tax residency is not such a simple matter!

Each country has its own rules for determining tax residency, and for people living abroad, the lines often blur. Klaudia's story shows that it's not just about math or merely 183 days, but also the risk of double taxation and the daily reality of living between two countries.

Running a business

VAT refund was supposed to be a mere formality... The story of a company and an HMRC audit.

Read how a single inquiry from HMRC can expose gaps in your tax strategy and why formal VAT registration isn't always enough to secure your business!

Running a business

DOTAS explained: when tax avoidance schemes must be disclosed to HMRC

More people are being sold questionable tax solutions by unqualified accountants and property experts. Learn how DOTAS works, what HMRC may ask and what to do before an unsuitable arrangement becomes an expensive problem.

Personal tax

Taxation of employee shares in the United Kingdom

Receiving shares from an employer can seem like great news, especially when one believes they are part of a special program like SIP, which allows avoiding high taxes. Unfortunately, it very often turns out that the situation is not what it seemed.

Personal tax

You earned a pittance, but you could pay a fortune! Online selling demystified.

HMRC Doesn't Forget! What to do if you ignore a letter from the tax office?

Personal tax

Capital Gains Tax (CGT) - taxable and tax-exempt assets

Which assets are taxable and which are exempt from Capital Gains Tax (CGT)? An explanation with examples

Personal tax

He transferred rental income to his mother. What happened next?

Moving rental income to another person can lead to tax, interest and penalties. See what HMRC checks and how to avoid an expensive mistake.

Running a business

VAT: Will HMRC challenge your separate businesses?

Wondering whether to register for VAT for your new business? Find out what risks your company faces and how to avoid HMRC pitfalls!

Personal tax

HMRC is pursuing taxes on cryptocurrency transactions

HMRC is sending letters to individuals who have engaged in cryptocurrency transactions and may not have paid the correct amount of tax. Here's what you need to know.

Running a business

Do you have to pay VAT in Poland when providing services from the UK to a Polish client?

Tax analysis for a client selling services to Poland. Find out where you'll pay VAT!

Running a business

How Companies House Facilitates Financial Fraud

We uncover the risks associated with Companies House. Unverified information can lead to fraud and false registrations. Read on to learn how to protect yourself from criminals.

Running a business

Armed tax officers arrived at my home

“At 6.00 am, armed tax officers arrived at my home,” Andrzej recalled. See how the case unfolded and what helped him regain control.

Personal tax

Taxation of pensions in the UK: What Polish pensioners need to know.

Do you have to pay taxes in the UK on your Polish pension?

Double taxation

Why did my bank ask me to provide information about my tax residence?

Understand CRS, what information may be shared and why accurate answers matter.

Running a business

Is your accountant asleep? Wake him up! Part 3

Does every profit allow for investments?

Running a business

TaxOne among the LexisNexis Legal Awards finalists

What makes TaxOne a finalist for the LexisNexis Legal Awards?

Running a business

Is Your Accountant Asleep? Wake Him Up! Part 1

Rediscover accounting with support, communication, and tailored solutions.

Personal tax

Double taxation of British non-residents

Sprawa Marcina dotycząca jego statusu podatkowego i składek ubezpieczeniowych po planowanym powrocie do Polski, przy jednoczesnym kontynuowaniu pracy dla brytyjskiego pracodawcy.

Running a business

Trivial benefits: up to £300 for close company directors

See the £50 conditions, the annual director limit and the records your company should keep

Running a business

Company car leasing and tax savings

See the full cost, tax treatment and practical risks before choosing a vehicle or signing a lease.

Personal tax

Will HMRC catch you for renting in Poland?

The story of Mr. Robert, who had to face the consequences of tax negligence.

Running a business

How to reduce corporation tax using director's pension contributions

Discover an effective way for your Ltd company to achieve tax savings

Running a business

VAT refund without an invoice in the UK

Find out how you can do it!

Personal tax

Interest from a Polish bank account: where should a UK resident report it?

See when Polish bank interest may need to be reported to HMRC and how double taxation relief can apply

Personal tax

Property rental in the UK and expense accounting

Are you planning to earn income from property rental? Find out which expenses you can deduct!

Personal tax

The UK tax code - what does it mean?

Check if you have the correct tax code

Running a business

VIDEO: How to save on business taxes in the UK?

Well-managed accounting is key to success

Double taxation

VIDEO: Where am I tax resident?

See how days, homes, work and personal ties can affect your tax residence.

Running a business

Ways to pay income to a company director in the UK

Learn how to make withdrawals that benefit you and your company

Running a business

VAT – when does it apply to your business?

Here's the essential information

Double taxation

Income from Poland - declare your Polish pension in the UK!

HMRC needs to know about all your income

Personal tax

Self-assessment - do it yourself, step by step

Low-income individuals can complete their self-assessment in minutes. With good instructions, it's quite simple. Watch the video.

Running a business

Business cash flow and VAT in the UK

Learn how to plan VAT payments, protect your cash flow and keep your business running smoothly.

Personal tax

What penalties await you if you don't file your Self Assessment tax return?

Learn Adam's story – an Uber driver

Double taxation

What penalties are there in the UK for not filing on time or concealing income?

Marzena otrzymała od HMRC sławną szarą kopertę. Czy Ciebie dotyczy podobna historia?

Running a business

Employee Expenses – Can you reclaim VAT on them in the UK?

A company incurs expenses for which an employee initially pays. How to reclaim VAT?

Running a business

HMRC's Big Brother - small business audits

IR35 Regulations and how HMRC tackles tax avoidance.

Running a business

Inform HMRC about errors in your VAT return

Did you file a VAT return with errors? Correct them!

Running a business

How to close a self-employment business in the UK

You want to cease your self-employment. Here you will learn step-by-step what you should do.

Running a business

What should be included on a UK VAT invoice?

From general to specific - how to properly issue a VAT invoice and why this correctness is so important for your business.

Running a business

Annual Accounting Scheme – Simplify your VAT return

Did you know you can file your VAT return once a year instead of quarterly or monthly?

Personal tax

England: Changes to tenant rights!

The government is changing the law to ensure tenants have the right to keep pets and to prevent no-fault evictions.

Running a business

Limited Company or Self-Employment

What will be more profitable for you?

Double taxation

Information flow between UK and Polish tax offices

How do tax authorities share taxpayer information?

Double taxation

Declaring foreign income to HMRC - Tax Disclosure

If you have foreign income that hasn't been declared on your tax return, HMRC will eventually catch up with you – it's only a matter of time. Read how we helped a TaxOne client sort out her tax affairs.

Double taxation

UK Tax Disclosure: how a priest put his tax affairs right

See what HMRC may know about foreign income, why the first response matters and how a complete disclosure can prevent one error becoming a much bigger problem.

Double taxation

Tax Residency for Individuals

You spend a lot of time in the UK and are unsure which country you should pay taxes to. Below are a few explanations on this topic. Read on!

Running a business

New penalty system for late submission and payment of VAT returns

Do you often submit and pay your VAT returns late? You'd better start meeting deadlines – from January next year, you could pay more!

Double taxation

How I Heard a Priest's Tax Confession

A priest once came to a tax advisor...

Running a business

Companies House Reform: Stopping Money Laundering. Find out how the changes will impact you and your business!

Changes to registration regulations

Personal tax

Residential relief on property sales – settling with the tax authorities

Here are some ways to reduce the tax owed on a sale

Personal tax

VIDEO: File your cryptocurrency taxes yourself!

What does cryptocurrency tax entail?

Running a business

Company profits or self-employment income?

Higher Corporation Tax rates from 2023 will increase tax liabilities on company profits.

Running a business

VIDEO: Pay VAT in installments!

VAT – the tax that sparks the most discussion and doubt. Here’s a solution that has greatly helped many TaxOne clients.

Personal tax

Reduce Your Taxes with Pension Contributions!

By paying pension contributions, you are entitled to tax relief – save on taxes by investing in your future.

Double taxation

HMRC tracks down hidden foreign income

HMRC sends letters based on CRS data to uncover offshore income

Personal tax

VIDEO: Cryptocurrencies and Taxes

Since HMRC published a new manual on cryptocurrencies, capital gains taxes have become even harder to declare

Running a business

Self-employment (self-employment) or employment (employment)?

More and more employers are unlawfully forcing their employees into self-employment.

Running a business

VAT and online sales platforms

Will the changes introduced, including those in cooperation between online sales platforms and HMRC, help more effectively track down and penalize tax fraudsters?

Running a business

Bounce Back Loan – nowe możliwości

Możesz zacząć spłacać BBL nie po 12, a 18 miesiącach od momentu uzyskania pożyczki - sprawdź, czy to lepsze rozwiązanie dla Twojej firmy.

Running a business

VAT: What is Domestic Reverse Charge?

VIDEO update! Answer a few questions from our text and check if the new tax law rules for construction workers also apply to you.

Running a business

"Angels Are Among Us" - II Christmas Story

This Christmas story will restore your faith in genuine, selfless human kindness.

Running a business

"The Uncut Diamond" - A Christmas Tale

We can't achieve anything alone – I strongly believe in these words.

Running a business

"Patience Pays Off" - Christmas Story III

The story of how I convinced two great talents to join TaxOne.

Running a business

When do I need to register for VAT?

Tips for those approaching the £90,000 threshold - what next?

Running a business

£500 government payments for low-income workers

Learn the essential conditions

Running a business

Poorly managed accounting

What to look out for?

Personal tax

How to optimize taxes and earnings?

You can earn up to £24,800 a year without paying any tax – legal tax optimization

Running a business

How to Fix Years of Accounting Neglect

Fixing Accounting Records

Running a business

How I saved a company, or about incompetent accountants

How NOT to run an Ltd company's accounting

Running a business

What construction workers don't know? A few words about CIS

Construction Industry Scheme - who needs to be registered for CIS and what penalties construction workers face.