FAQS

Daysium is a tax residency compliance platform for individuals and families with international lives. Daysium Mobile automatically counts your days across every jurisdiction you spend time in, while you build the evidence behind them — geo-tagged and securely logged. Daysium Portal gives you and the people you trust a live, shared view of your status, giving you clarity and confidence in the record behind your tax residency position.

Daysium Portal is a live, shared view of your day counts and status, built from your day counting data from Daysium Mobile. You can view your current compliance situation and see all travel entries on a calendar view. Invite your advisor in and you're both looking at the same live position. Portal is currently available to Daysium Platinum members.

Yes. Once set up, Daysium replaces the manual effort of spreadsheets and reconstructed records with an automated process that runs quietly in your smartphone, freeing you to focus on how you live and travel.

Daysium Mobile logs your location and calculates day counts based on the tax rules that apply to your situation. The result is an accurate, audit-ready record of your global presence, ready to support your position if questions arise.

You choose a membership plan on our website and we configure your tax jurisdictions with you during onboarding. Our team is on hand to guide you through the setup so that day counting begins accurately from the start.

Daysium is designed for individuals and families with international lives, including globally mobile professionals, entrepreneurs, and those who split their time across countries. Many come to Daysium through their tax advisors.

Tax investigations can be lengthy and costly even for people who are fully compliant. Daysium’s cost is small compared to the significant penalties, fines, and legal fees you could face without proper day counting records.

Daysium Mobile uses your phone's location data to log your whereabouts automatically, creating a complete timeline for every day of the year. Day counts are calculated against the specific tax rules that apply to your situation.

Yes. Daysium is built for cross-border lives and supports day counting across multiple tax jurisdictions simultaneously, each calculated according to its own rules. Daysium Mobile gives you a clear view of where you stand in each jurisdiction at any time, and Daysium Portal members can see the same picture in one live view, shareable with an advisor or family member.

Your data is encrypted and stored on Google Cloud in line with ISO 27001 standards. Access is permission-based, and your location data is never sold or shared. You control who can view your records — whether that's a report shared from Daysium Mobile or an advisor invited into Daysium Portal, where they see your counts and status only, never your evidence or location.

As a Daysium partner, you’ll gain access to cutting-edge tax compliance technology, exclusive networking opportunities with tax professionals, and comprehensive support to enhance your business and client services. You'll also have the opportunity to earn commission without taking on delivery or operational responsibility.

Daysium is best suited to tax advisors, wealth managers, and private client professionals working with internationally mobile, high-net-worth individuals. If your clients manage residency across borders, Daysium is relevant to them.

No. The most common starting point is simply introducing Daysium to clients on a case-by-case basis. If your firm wants to formalise the relationship over time, that option is there, but there's no obligation to do so.

We handle client onboarding and provide them with ongoing support. We also provide materials to help you introduce Daysium clearly and confidently so that the process is straightforward for you and reassuring for your clients.