Membership Fees

Tailored memberships for every globally mobile client

From individuals to trusts and family offices, Daysium simplifies tax residence compliance

Executive

A simple solution for clients with low-risk, single jurisdiction needs

£499

billed annually

Book a call
Includes:
  • 1 User Licence
  • 1 Tax Jurisdiction Ruleset
  • Automatic Day Counting
  • Photo Evidence
  • Self Onboarding

Private Client

For clients exposed to multiple jurisdictions and greater scrutiny

£999

billed annually

Book a call
Includes:
  • 1 User Licence
  • 2 Tax Jurisdiction Rulesets
  • Automatic Day Counting
  • Photo Evidence
  • Day Count Reports
  • Concierge Service £1,000

Platinum

Group membership for multiple Private Clients within a family or entity

from £1,799

billed annually

Book a call
Includes:
  • 2 or more User Licences
  • 3 Tax Jurisdiction Rulesets
  • All Private Client Features
  • Concierge Service from £1,000

Enterprise

For trusts, family Offices and firms managing complex tax compliance at scale

Transform tax residency compliance for your team.

Book a call

Executive

A simple solution for clients with low-risk, single jurisdiction needs

£499

billed annually

Book a call
Includes:
  • 1 User Licence
  • 1 Tax Jurisdiction Ruleset
  • Automatic Day Counting
  • Photo Evidence
  • Self Onboarding

Private Client

For clients exposed to multiple jurisdictions and greater scrutiny

£999

billed annually

Book a call
Includes:
  • 1 User Licence
  • 2 Tax Jurisdiction Rulesets
  • Automatic Day Counting
  • Photo Evidence
  • Day Count Reports
  • Concierge Service £1,000

Platinum

Group membership for multiple Private Clients within a family or entity

from £1,799

billed annually

Book a call
Includes:
  • 2 or more User Licences
  • 3 Tax Jurisdiction Rulesets
  • All Private Client Features
  • Concierge Service from £1,000

Enterprise

For trusts, family Offices and firms managing complex tax compliance at scale

Transform tax residency compliance for your team.

Book a call
Complete features list
Executive
Private Client
Platinum
Essentials
User Licences
1
1
2 or more
Tax Jurisdiction Rulesets
1
2
3
Optional Concierge Service
-
Features
Automated Day Counting
Timeline
Evidence
Photo Capture
Photo Gallery Upload
Add Notes
Audit Trail
-
Day Counts & Reporting
Tax Rule Configuration
Annual Tax Return Day Count
Global Physical Presence Count
Excel Summary Reports
-
Online Account Management
-
Security
Biometric Login
2FA*
-
SSO*
-
-
Advisory & Governance
Data Residency outside UK*
-
-
Data Trust
-
-
from £5,000/yr
Client Support
Email
AI Chat Support 24/7
Talk to a human, 9am-5pm UK
-
Private Client Advisor
-
* Available on request, subject to charge

FAQs

Got questions? We're here to help. Chat with our team anytime for support or explore our FAQ to quickly find answers to common questions.

Get in touch

What is Daysium?

What is Daysium?

What is Daysium?

Daysium is a tax compliance platform that automates day counting and record-keeping for high-net-worth-individuals, ensuring accurate tax residency status globally.

Will Daysium save me time as well as money?

Will Daysium save me time as well as money?

Will Daysium save me time as well as money?

Absolutely. Daysium significantly reduces the time spent on manual record-keeping, allowing you to focus on your business, travel, and personal life.

Are there any discounts available for new clients?

Are there any discounts available for new clients?

Are there any discounts available for new clients?

You can receive a special discount if you join through our Partner Network. If your tax advisor is not yet a Daysium Partner, ask them to contact our team.

Which Daysium Membership Plan is the right for me?

Which Daysium Membership Plan is the right for me?

Which Daysium Membership Plan is the right for me?

The right plan depends on your unique situation and tax compliance need. If you're unsure, please contact our team to discuss your options and select the right plan.

What does the Executive Membership include?

What does the Executive Membership include?

What does the Executive Membership include?

The Executive plan includes 1 tax jurisdiction ruleset, client support, membership and account management, tax rule configuration, and annual tax return day count—perfect for straightforward tax strategies.

Can I change my Membership Plan later?

Can I change my Membership Plan later?

Can I change my Membership Plan later?

Yes, you can upgrade or change your membership plan at any time to better suit your evolving tax compliance needs and preferences.

Get in touch

Discover how to be tax compliant with Daysium

Created in partnership with industry experts, tackling the complex challenges of day counting and tax record-keeping.

Guided by
tax experts

Created in partnership with industry experts, Daysium tackles the complex challenges of day counting and tax record-keeping. Our partner community plays an active role in realising this vision, bringing deep expertise in tax compliance for the globally mobile.

Founding Partners
Protect yourself in a tax dispute

"Users of Daysium will be unlikely to see any additional tax liabilities if the platform has been used correctly.

Should any additional tax liabilities arise though, I would certainly be confident to put forward arguments that the use of the software was itself a means of taking reasonable care to pay the correct amount of tax."

Sarah Scala,
Director NHD Tax
Solutions & Founder of
The Contentious Tax Group
Valuable Partnerships

"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."

Alan Kennedy,
Managing Director,
Trident Tax
Exciting technology

"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."

Rhys Thomas,
Managing Director,
WTT Group
Simplifying international tax

"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."

Stephanie Wickham,
Founder,
Expat Taxes