5 Dangerous Assumptions About Day Counting That Could Spark an HMRC Tax Enquiry

Many HNWIs believe their day counting records are enough until an HMRC tax enquiry proves otherwise. From rough estimates to incomplete evidence, small assumptions can trigger costly investigations. Here are five common mistakes to avoid and how to safeguard your compliance.
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5 Dangerous Assumptions About Day Counting That Could Spark an HMRC Tax Enquiry

Compliance

Many HNWIs believe their day counting records are enough until an HMRC tax enquiry proves otherwise. From rough estimates to incomplete evidence, small assumptions can trigger costly investigations. Here are five common mistakes to avoid and how to safeguard your compliance.

A view of an office, representing the family office and the call to create bulletproof tax residency records.

The Family Office Guide to Bulletproof Tax Residency Records

Insights

Family offices manage wealth, safeguard reputations, cross-border structures, and tax compliance. Today, bulletproof tax residency records are essential to defend against audits, satisfy CRS/FATCA reporting, and support trusts and holding companies. With growing scrutiny in Europe and beyond, family offices that automate day counting, maintain strong evidence, and centralise compliance files can plan with confidence and protect the family’s legacy.

A picture of cardboard boxes representing the stresses of moving countries.

The Unspoken Stress of Moving Countries (and How to Ease It)

Featured Blog

Moving countries is exciting but it’s also a minefield of emotional strain, admin overload, and hidden financial risks. One of the most overlooked? Day counting for tax residency. Get it wrong, and you could face unexpected liabilities. This article explores the psychological side of relocation, why day counting is so important, and how to make it a stress-free part of your move.

An image of a woman waiting at the airport with lots of delayed flights, signifying exceptional days.

Exceptional Days: When a Day Doesn’t Count in Tax Residency Rules

Tax Residence

What happens when you’re stuck abroad due to illness or travel disruption? Some tax rules may let you disregard those exceptional days. But not all countries treat them equally, and claiming them isn’t easy. This article unpacks the concept of exceptional days in tax residency, explores global examples, and shows how to protect yourself with real-time tracking and solid documentation.

Family Office Planning

The Silent Risk in Family Office Planning: Tax Residency Drift

Featured Blog

In the evolving world of family office planning, tax residency drift has emerged as a silent risk. As HNW families live and operate globally, even a few untracked days in a tax jurisdiction can trigger serious tax exposure. This article explores how to detect, prevent, and manage the risks with strategic, tech-enabled solutions.

Distorted picture of a tax advisor explaining tax residency compliance to a client.

Proving Tax Residency: Why You Need More Than Just Good Intentions

Tax Residence

Think you can prove tax residency if asked? In an age of AI audits and digital trails, your word isn’t enough. This article breaks down what counts as real evidence, why weak records won’t cut it, and how automation can secure your compliance without disrupting your lifestyle.

A picture of London in a sunset, representing many HNWIs leaving the UK after the end of the non-dom regime.

Leaving the UK? A Checklist for HNWIs as the Non-Dom Regime Ends

Tax Planning

Leaving the UK isn’t just a matter of changing residence, it’s a strategic decision with lasting tax implications. As the non-dom regime ends in April 2025, HNWIs must carefully plan their exit. This checklist walks through essential pre- and post-departure steps to ensure tax compliance and protect your global interests.

A man standing at the airport looking at planes signifying the relocation process to different tax jurisdictions

Tax Jurisdictions currently supported by Daysium

Tax Residence

Explore the jurisdictions supported by Daysium and get a quick overview of the key tax residency or visa rules for each. From Monaco to the UAE, we break down essential thresholds like the UK 90-day rule so you can stay compliant.

Global Mobility Trends: Are Golden Visas Ending?

Tax Planning

With golden visas ending or being significantly reformed in countries like Spain and Portugal, HNWIs must adapt to new residency and compliance challenges. This article explores the latest changes, alternative residency options, and the importance of tax residency compliance to avoid unexpected liabilities.

Relocating Abroad? Key Tax Considerations to Avoid Costly Mistakes

Tax Planning

Thinking about moving abroad? Understanding tax considerations when relocating is essential to avoid unexpected tax liabilities. From exit taxes to residency rules, this guide covers key areas to review before your move.

An image with a man talking to a phone in the back of the car, representing globally mobile people.

Tax Compliance Apps to Protect Your Wealth

Featured Blog

With increased scrutiny on global wealth, tax compliance apps are becoming essential tools for managing tax residency and financial records. Here’s how to select the right tools to support your tax strategy.

Monaco city view

How to Become Resident in Monaco

Compliance

Thinking about how to get residency in Monaco? This guide covers key benefits, steps to apply, and how tools like Daysium ensure hassle-free compliance.