Türkiye’s Proposed Foreign Income Framework

At the centre of the proposed framework is the treatment of foreign-source income. If enacted as expected, qualifying new residents may receive favourable treatment on income earned outside Türkiye for a defined period — conceptually similar to non-dom or new-resident regimes that several other onshore jurisdictions have used to attract international capital.

For principals with international investments, operating companies, family holdings, fund interests, carried interest, dividends, royalties or distributed asset bases, this can become a major planning consideration. If foreign-source income is treated favourably for qualifying residents, the family’s overall effective tax exposure during their Turkish residency may be materially different from a fully domiciled scenario in higher-tax jurisdictions.

What makes the proposed framework distinctive is not the arithmetic. It is the underlying jurisdiction. Türkiye is not a small offshore territory — it is a G20 economy, a NATO member and a country of more than eighty-five million people, with mature banking, healthcare, education and real estate markets. The combination of a meaningful foreign-income regime with a real onshore base is uncommon globally.

A family evaluating the framework should begin by mapping where income actually arises, how capital is held, where reporting obligations already exist and how personal presence may realistically be managed over time. The opportunity lives in the specifics, not the headline.

Most low-tax jurisdictions ask families to accept a trade-off. Pure offshore hubs offer fiscal efficiency but limited lifestyle depth. Compact city-states offer infrastructure but constrained geographic reach. Some Gulf jurisdictions offer simplicity but require an expatriate rhythm that may not suit long-term family residence.

Türkiye’s proposition is different. Istanbul is a major city, not an expatriate enclave. The country has deep property markets across both Istanbul and the Aegean coast, a long tradition of family residence, established international schools, private healthcare at global standards, mature private banking relationships and a young, active commercial base.

Geographically, Istanbul sits at the practical centre of Europe, the Gulf, Central Asia and Africa. For families whose lives already move between two or three regions, the city functions as a logical hub rather than a remote retreat. Direct connectivity to most European capitals, the Gulf and major Asian centres makes a Türkiye-based rhythm operationally realistic.

Cultural depth matters too. For families positioning themselves across generations, an onshore base with civilizational history, language depth and a strong sense of place can be more sustainable than a jurisdiction defined primarily by its fiscal regime. This is one reason internationally mobile families increasingly evaluate Türkiye alongside, not just instead of, Dubai, Switzerland, Singapore and the UK.

Türkiye tax residency is fact-specific. Days physically present in Türkiye, family presence, centre of vital interests, property use, business ties, the location of management decisions and the structure of existing income flows can all affect outcomes. None of these are answered by a tax table.

This is why the proposed framework should not be treated as a simple product. A principal may qualify in theory but still need careful review across existing jurisdictions, exit rules, ongoing source-country obligations and family circumstances. Source countries do not necessarily release residents simply because a new residence has been established. Treaty positions, statutory tests and the practical realities of where work is actually done all matter.

Existing structures — holding companies, trusts, foundations, partnerships, fund vehicles, family investment vehicles — may also need to be reviewed in light of how the Turkish regime interacts with them. A move that solves one problem can create others if the broader structure is not considered.

The best planning begins before the move, not after residence has already shifted. Pre-move review is typically less constrained than retroactive review. Decisions made before the residency change can often be reversed; decisions made after are usually more difficult.

A residency move is rarely just a tax decision. Capital location and banking relationships often determine whether a strategy is sustainable in practice.

Internationally mobile families typically hold assets across private banks, brokerages, custodians, operating companies, holding vehicles, trusts, foundations, fund interests, digital asset wallets and property structures. Each layer has implications when residency changes — documentation, compliance, product availability, reporting and counterparty positioning may all be affected.

Some private banks treat residency changes routinely. Others reconsider relationships, request updated KYC, or restrict products in light of the new residence profile. For families with concentrated holdings, fund interests, carried interest, real estate exposure or digital assets, these conversations can be substantive.

Türkiye itself has a mature banking ecosystem. Local private banking relationships, multi-currency capability, custody arrangements and regulated reporting infrastructure all exist. But integration with the rest of a family’s capital map should be reviewed deliberately rather than assumed.

For crypto principals in particular, the evidentiary trail around custody, wallet control, source-of-funds documentation, exchange relationships and entity structure can determine whether a residency framework is practically usable, regardless of its theoretical attractiveness. Capital location should be mapped before a move, not improvised afterwards.

The proposed framework is unlikely to be universally relevant — that is part of its design. Several profiles, however, are worth highlighting.

Founders with global operating companies, fund stakes, intellectual property holdings or international service businesses often hold income streams that arise outside their residence country. For this group, the treatment of foreign-source income materially affects long-term planning.

Investors with international portfolios — public equities, private investments, fund commitments, real estate — may find Türkiye an interesting onshore base from which to hold capital that is genuinely international in source.

Multi-generational families considering relocation often prioritise lifestyle and family continuity alongside fiscal efficiency. Türkiye’s depth — schools, healthcare, property, culture, regional access — is unusually well aligned with that profile.

Crypto and digital-asset principals frequently need a jurisdiction that combines reasonable fiscal treatment with mature banking infrastructure and structuring options. Türkiye may sit closer to that combination than many alternatives.

Families currently comparing Dubai, the United Kingdom under its evolving non-dom rules, Switzerland, Monaco, Cyprus, Malta, Singapore or the Gulf states should consider whether Türkiye now warrants a place in that comparison.

Several questions remain open as the framework moves toward enactment, and serious planning should account for them.

The final legislation may differ from the proposed framework in detail or scope. Qualification criteria — who counts as a new resident, what period applies, what income categories are covered — can shape outcomes meaningfully.

Implementation rules and administrative practice take time to mature. Even after enactment, the practical experience of structuring, reporting and substantiating positions may evolve in the first years.

Reporting obligations both in Türkiye and in source countries can interact in non-obvious ways, particularly for families with substantial assets, fund interests or operating companies abroad. Treaty positions, transparency frameworks and source-country anti-avoidance rules continue to apply.

Banking and custody questions — including how international counterparties treat newly Turkish-resident clients — may require attention case by case. Some institutions have established processes; others will work through them.

These are not reasons to avoid the framework. They are reasons to evaluate it carefully, with qualified counsel, on a family-specific basis.

Porte does not treat the proposed framework as a standalone tax product. The review begins with the family: where they actually live, where capital sits, where obligations arise, what daily life requires and what timing makes sense.

From that foundation, the office coordinates the relevant work — residency, structuring, banking and custody alignment, property strategy, family-transition planning and succession architecture — through one senior-led relationship rather than fragmented across providers. The shape of that work is described in more detail in our engagement process.

Confidentiality is part of how the office is built, not an afterthought. Submissions are reviewed individually by a partner. Engagements are senior-led, deliberately limited in number and handled with the discretion the work requires.

The aim is to help principals think clearly about Türkiye before decisions become difficult to reverse — and to ensure the framework, if appropriate, is used as part of a coherent overall structure rather than a stand-alone fiscal move.

Türkiye’s proposed foreign income framework may become one of the more meaningful jurisdictional opportunities for internationally mobile families in this cycle. If enacted as expected, it places a major onshore economy alongside the kind of fiscal framework that typically belongs to smaller jurisdictions.

The opportunity, though, lives in the specifics. The right answer depends on where the family lives, how capital is held, what obligations exist elsewhere and what the family wants its next chapter to look like.

For families considering Türkiye seriously, a confidential review with a senior-led office is the most efficient way to begin. Begin a confidential review when ready.