Use case · Family offices
Built for Family Offices.
When your principals live across five jurisdictions, connectivity, day-counting, and deal-flow trust cannot be managed with spreadsheets and group chats. MeridOS gives family offices a single infrastructure layer built for global mobility.
The problem family offices actually have
Family office principals are among the most globally mobile people on the planet. A principal managing private capital across Europe, the Gulf, and Southeast Asia may split the year across four or five residences, spending weeks in Geneva, months in Dubai, a summer in the Hamptons, and the balance in Singapore or London. Each move that crosses a jurisdictional threshold carries potential tax exposure. Each one that does not get tracked creates a documentation gap that becomes a liability during audit, residency review, or wealth-structuring discussions with counsel.
The 183-day rule — the threshold at which most jurisdictions deem a person tax resident — is not difficult to understand in the abstract. It is extremely difficult to manage across multiple simultaneous principals when day-counting is manual, fragmented across assistants, diaries, travel records, and boarding-pass archives, and when the stakes of getting it wrong are material. High-net-worth individuals face asymmetric consequences: the downside of an undocumented residency claim is substantial. The upside of clean documentation is simply that nothing bad happens. Family offices therefore need systems that make clean documentation the path of least resistance, not a retrospective project.
Connectivity is a secondary pain point that compounds the primary one. When principals and their support staff travel on different carriers, use different SIM configurations, and manage roaming costs individually, the family office effectively has no standardised communication infrastructure. This creates operational friction during travel and makes it harder to enforce consistent security practices across devices and jurisdictions. A principal switching SIMs at borders is a principal whose device configuration, VPN state, and secure communication tooling is inconsistent — which is a risk management issue, not just a convenience issue.
Finally, peer trust. Family offices operate in a world where the quality of introductions matters enormously. Deal flow, co-investment opportunities, and operational intelligence arrive through personal networks — and those networks are only as valuable as the vetting behind them. A warm introduction from a trusted peer carries genuine signal. A referral from a LinkedIn connection or a conference exchange carries almost none. Family office principals need access to peer networks where the vetting has already been done — where every person in the room is operating at the same level of sophistication and discretion.
How MeridOS solves it
MeridOS provides three integrated capabilities that map directly to the problems above: standardised eSIM connectivity for principals and staff, per-principal 183-day tracking through Meridian Log, and access to a vetted peer network through MeridOS Founders.
Standardised eSIM for principals and their staff
The MeridOS eSIM gives every principal and their travelling support staff a single connectivity layer that works across jurisdictions without carrier switching, roaming charges, or SIM management overhead. The family office controls provisioning centrally. Principals arrive in any covered country with connectivity already configured. There is no carrier negotiation at the border, no missed calls during SIM swaps, and no fragmentation across personal and professional devices. For family offices with security-conscious communication policies, a consistent eSIM layer is the foundation everything else is built on.
Per-principal 183-day tracker
Meridian Log tracks physical presence by jurisdiction, per principal, continuously. Rather than reconstructing a travel history at year-end from calendar entries and boarding passes, the family office maintains a live view of day counts across every jurisdiction where principals hold residency interests. The 183-day residency thresholds for each jurisdiction are tracked automatically, with visibility into where any given principal stands at any point in the year. When a threshold is approaching, the office knows in advance — not in retrospect. This converts tax residency management from a reactive, document-recovery exercise into a proactive operational practice.
Vetted founder and principal network
Access to MeridOS Founders gives family office principals entry to a vetted community of globally-mobile founders, operators, and principals operating at a comparable level of sophistication. Every member has been through a structured vetting process. The network is built for people who understand multi-jurisdictional capital deployment, complex structuring decisions, and the operational realities of managing private wealth at scale. Introductions are brokered by community leads who know both parties. Co-investment conversations, deal flow, and specialist referrals flow through a network where the quality of every participant has been verified — not through an algorithm, but through a human process that treats trust as the product.
White-glove infrastructure for principals
MeridOS offers a principals tier designed specifically for family offices and the globally-mobile individuals they support. This is not a self-service configuration. It is a fully managed infrastructure layer — onboarded, configured, and supported by the MeridOS team — that covers eSIM provisioning across the principal and their key staff, Meridian Log setup and ongoing management for each tracked individual, and priority access to the MeridOS Founders network for eligible principals.
The principals tier is built around the reality that family office operations do not have time to manage infrastructure tooling themselves. Onboarding is handled by the MeridOS team. Configuration is managed centrally. When a new staff member joins or a principal adds a jurisdiction to their rotation, the update is coordinated through a dedicated account contact rather than a self-service portal.
We also offer MeridOS Black Label — our highest-tier concierge service — for family offices that require bespoke infrastructure arrangements, including custom reporting for counsel and advisors, multi-principal day-count dashboards, and dedicated MeridOS infrastructure specialists on retainer.
Pricing for the principals tier is not published publicly. It is structured to reflect the scope of principals, jurisdictions, and support requirements for each family office. Contact us directly for a principals-tier conversation.
Important: this is not legal or tax advice
Nothing on this page constitutes legal advice, tax advice, or financial advice. MeridOS provides infrastructure tooling — connectivity and presence-tracking technology — not structuring guidance. Tax residency rules are jurisdiction-specific, change frequently, and interact with individual circumstances in ways that general information cannot capture. Family offices should engage qualified tax counsel and legal advisors with direct experience in the relevant jurisdictions before making any decisions about residency structuring, domicile, or tax position. MeridOS Meridian Log provides presence data; the interpretation of that data for tax or legal purposes is the responsibility of the principal and their appointed advisors.
Explore the MeridOS stack
- →eSIMZero-roaming connectivity across 190+ countries
- →Tax Residency183-day threshold tracking by jurisdiction
- →Meridian LogContinuous per-principal presence tracking
- →MeridOS FoundersVetted network for globally-mobile principals
- →Black LabelBespoke concierge infrastructure tier
- →MeridOS HomeThe full platform overview
Principals tier · White-glove onboarding
Infrastructure that moves when your principals do.
Contact us to discuss a principals tier configuration for your family office. Onboarding is handled by the MeridOS team — no self-service setup required.
Contact us for principals tier