The Best Tax Residency App for HNWIs

Most day counting apps record where your device was. That is not the same as building a contemporaneous evidence record that holds up in an HMRC residency enquiry. This guide covers spreadsheets, day counting apps, and what the best tax residency app for HNWIs actually needs to do — including what an enquiry costs if your records do not hold up.
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The Best Tax Residency App for HNWIs

Tax Residency

Most day counting apps record where your device was. That is not the same as building a contemporaneous evidence record that holds up in an HMRC residency enquiry. This guide covers spreadsheets, day counting apps, and what the best tax residency app for HNWIs actually needs to do — including what an enquiry costs if your records do not hold up.

A picture of Richard Paul in front of a black background with the text stating 'In conversation with'.

Globally mobile creatives and tax residency: Why “One Level Below” is the smartest strategy

Tax Residency

Globally mobile creatives live across borders — but tax residency rules still count days. In this conversation with Richard Paul, we explore why strong travel records matter more than ever.

A picture of old filing cabinet to showcase tax residency record-keeping.

Tax residency record-keeping: Why “keep records” is no longer enough

Tax Technology

Tax residency record-keeping has evolved. For advisors managing globally mobile clients, it is no longer enough to count days and store documents. In a more scrutinised compliance environment, defensibility depends on whether the evidence tells a coherent, contemporaneous story that supports the residency position.

Picture of Isle of Man to represent relocating to the Crown Dependencies

Relocating to the Crown Dependencies: Why Day Counting Still Matters

Global Relocation

Relocating to the Crown Dependencies can feel like a fresh start, but day counting and tax residency rules often mean you need to remember your past. This article explores why UK days still matter, how residency rules differ across Jersey, Guernsey and the Isle of Man, and what HNWIs should prepare before and after a move.

A distorted picture of a tax advisor talking with a private client.

Why Spreadsheet Day Counting Is a Liability in 2026 (and What Advisors Should Offer Instead)

Tax Technology

Spreadsheet day counting feels familiar, but it often collapses under tax residency enquiries. We examine the hidden risks of spreadsheets and why advisors are increasingly recommending a professional, evidence-led alternative.

Hands holding two pieces of puzzle, representing family office technology solutions for better wealth management.

Family Office Technology Solutions: The Benefits and Risks to Consider

Family Offices

Family office technology solutions are a strategic tool to increase value. From automation and data integrity to proactive compliance, digitalisation is helping family offices operate smarter and more strategically. Discover the benefits, risks, and why tools like Daysium are becoming essential for modern, audit-ready tax residency management.

A European Union flag to represent the article's explanation of Schengen rules for family travel

Schengen Rule for Family Travel: What HNWIs Need to Know

Global Relocation

Visiting family in Europe can blur the lines of Schengen compliance. Many HNWIs assume family connections offer more travel freedom, but the 90/180-day rule may still apply. This article explains the nuances of the Schengen rule for family travel and how Daysium helps you stay compliant and confident wherever you go.

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

Tax Residency

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 picture of cardboard boxes representing the stresses of moving countries.

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

Global Relocation

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 Residency

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

Family Offices

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.

Picture of the Monaco harbour, reflecting the article's focus on Monaco Family Offices.

Monaco Family Offices Guide: Why Day Counting Still Matters

Family Offices

Monaco may offer tax-free living, but tax residency rules don’t stop at the border. This guide breaks down why Monaco Family Offices must go beyond local paperwork to manage global day counts to protect their clients from dual tax residency, audits, and unexpected liabilities.