Family Office Technology Architecture
Architecture is the deliberate version of what most offices have by accident. The architectural choice determines what the office can scale and what will trap it.
Key takeaways
- —Buy at the data and security layers; configure (not customise) at the reporting layer; build only where the office's edge demands it.
- —Integration cost compounds — minimise interfaces, prefer platforms that span layers.
- —Cloud-first is the working default; document any exceptions.
- —Architecture should be diagrammed and reviewed annually.
An architectural stance on technology in a family office boils down to a few rules. Buy at the data layer (custodian aggregators, fund-administration platforms) and the security layer (identity, endpoint, network) where commercial offerings are mature. Configure at the reporting layer using a platform that meets 80% of needs, rather than building bespoke systems. Build internally only where the family's specific operating model creates a real edge that no commercial product addresses. The discipline to follow these rules saves years of integration cost.
The under-rated practice is to diagram the architecture annually. The diagram shows every system, the data flow between them, the responsible owner, and the contract terms. The act of producing the diagram surfaces the shadow systems, the deprecated tools no one removed, and the integrations that have grown brittle. Most offices that do this exercise discover they are paying for two or three tools they have outgrown — and have at least one critical dependency they had forgotten existed.
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