Your Day-Counting Companion

Daysium elegantly resolves the risk and complexity of day counting and record-keeping for globally mobile High-net-worth Individuals and Private Clients.

We enable people, their advisors and tax inspectors to confidently state: “There’s nothing to see here, everything is in order.”

Our Partner Network

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Your Digital Defence to Tax Enquiries

Governments worldwide are intensifying scrutiny on globally mobile HNWIs. Utilising advanced technology, they aim to identify individuals with complex tax situations that could yield significant tax revenues.

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The technology that Daysium has developed is incredibly exciting and I’ve really been enjoying getting under the hood of what’s in store for individuals that utilise the software!

The team's passion and vision for solving the ongoing nightmare of tracking for residency status is brilliantly evident.

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Rhys Thomas
WTT Group
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The Daysium team deliver technology that makes taxes easier for expats and globally mobile individuals. What's not to like about that?

We're really excited to work with them and offer our clients the ability to use this technology.

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Stephanie Wickham
Founder, Expat Taxes
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Trident Tax is a proud partner of Daysium, a pioneering company in the field of day counting and record-keeping.

Their innovative tool simplifies complex date-related calculations, offering immense value to our clients. This partnership marks a significant step towards enhancing our client services with advanced solutions.

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Alan Kennedy
Trident Tax

Poor tax records are a major handicap in a tax investigation. For international individuals, proving your whereabouts is crucial when challenged by a tax authority. Daysium automates this process with digital technology, eliminating record keeping chores and providing robust evidence, enabling effective planning. Great tech that frees you to focus on busy lives.

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Paul Aplin, OBE
Writer and Speaker on Tax and Technology

Redefining Tax Compliance and Record-Keeping

The Daysium Way is a cyclical process that starts and ends with your advisors.

Data is encrypted to the highest standards and only shared by you on a need-to-know basis.

Frequently Asked Questions

Everything you need to know about Daysium

Is Daysium a smartphone app?
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Daysium is a remarkable companion app designed to collect location data and evidence. The Daysium Portal, accessible securely from any web browser, offers a range of features including Activation, Configuration, and Reporting. With its user-friendly interface and robust functionality, Daysium empowers you to manage your data effectively and effortlessly.

Is it possible to purchase Daysium in the app stores?
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No, you can only acquire a subscription to Daysium through our website. The Daysium app, available for free on the Apple App Store and Google Play, serves as a companion app. However, it requires an activated account from your Daysium Portal to function properly.

Is there a free trial available?
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Unfortunately, we do not offer a free trial. However, we stand by our product with a thirty-day money-back guarantee. If you're not satisfied, simply reach out to support@daysium.com, and we'll promptly refund your subscription and securely delete your data, no questions asked.

Who can see my location data?
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Only you, and those you specifically share reports with in your Daysium Portal. We are guardians of your data, we never sell it, nor share it with anyone.

How do you count days correctly?
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Ensuring accurate day counting can be a complex task. Our network of Founding Partners consists of global mobility experts who collaborate with us to code tax rules. For instance, in the UK Statutory Residence Test, a day is counted as presence at midnight. In contrast, in Ireland, a day is counted as presence at any time during the day. With their expertise, we strive to provide precise and reliable day counting solutions.

Which Tax Jurisdiction Rules do you support?
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The Daysium platform currently covers various jurisdictions including the United Kingdom, Jersey, Ireland, and the Schengen area. We are continuously expanding our reach and will be releasing updates on specific jurisdictions in the near future. For more information, please reach out to us at hello@daysium.com.

What is the waitlist for?
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The waitlist is for individuals who are interested in becoming clients of Daysium. We’re currently onboarding our Founding Partner Clients, but by joining the waitlist, you will be next in line.