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Guide

How due diligence works in investment migration

Before any residency or citizenship by investment application is approved, the applicant is screened. This guide explains the layers of that screening, why source of funds matters, and what tends to slow a file down.

Reference
Official authorityInvestment Migration Council and national programme units
Information current as ofJune 2026
Official source →

Information, not advice. Figures are indicative and current as of June 2026. Always confirm the present rules with the official program authority and a licensed professional before you act.

Written by Morten Andersen and reviewed by Fredrik Filipsson of the Passports for Kings editorial team. Last reviewed 24 May 2026.

Why programmes screen applicants

Due diligence protects the integrity of a programme and the value of the status it grants. A country that approves the wrong applicant risks its reputation, its visa free travel arrangements, and the trust of its banking partners. So programmes screen hard, and the strongest programmes treat screening as a selling point rather than a hurdle.

For the applicant this means the process is document heavy and personal. Expect to explain not just the money used for the investment but the story of how your wealth was built over time.

The layers of checking

Mature programmes use several layers rather than a single check. A typical structure begins with know your customer checks by the licensed agent who files your case. The government programme unit then verifies your documents. Independent international firms are commissioned to prepare background reports. Finally law enforcement and intelligence channels run their own checks before a decision is made.

Each layer is designed to catch something the previous one missed. As an illustration, the Maltese programme has used a four tier model that combines database screening, police and Interpol checks, banking and audit review, and two outsourced due diligence reports. The aim is redundancy.

Source of funds and source of wealth

Two phrases come up constantly. Source of funds is the specific money paying for the qualifying investment, such as a salary, a dividend, or the proceeds of an asset sale. Source of wealth is the wider explanation of how your overall financial position was built. You will usually need to evidence both. The Financial Action Task Force calls for multi layered checks with particular focus on the source of funds and on the finances of family members who join the application.

What slows a file down

Files stall when documents are inconsistent, when wealth cannot be traced to a clear origin, or when a name triggers a match that needs to be cleared. Gaps in a paper trail, unexplained large transfers, and complex company structures all invite more questions. Preparing complete, consistent and well translated documents up front is the single biggest thing within your control.

Common questions

Will minor issues in my past automatically disqualify me?

Not necessarily. Programmes weigh the nature, age and resolution of an issue. What matters most is full disclosure, because an undisclosed issue that surfaces later is treated far more seriously than one you declared. Discuss your specific situation with a licensed professional before applying.

Who actually pays for the due diligence reports?

The applicant typically bears the cost through a due diligence fee charged per adult, and sometimes a smaller fee for older children. The fee is usually payable whether or not the application succeeds, so confirm the amount and the terms with the official programme authority before you commit.

How long does screening take?

It varies by programme and by the complexity of your file. A clean, well documented application moves faster than one that prompts follow up questions. Ask the official authority for current published timelines rather than relying on marketing estimates.

Information, not advice. Figures are indicative and current as of June 2026. Always confirm the present rules with the official program authority and a licensed professional before you act.

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