Private banking in Thailand: the landscape

The local landscape

Each of the major Thai banks runs a wealth pyramid: a mass-affluent tier with a branded card and a dedicated queue, a wealth tier with a named relationship manager, and a genuine private banking tier at the top. The names and cutoffs shift with marketing cycles, but the structure is consistent, and entry to the meaningful tiers generally starts around ฿10 million in assets with the bank, with full private banking treatment typically beginning in the ฿30 million to ฿50 million range.

Entry thresholds are lower than a Swiss or Singapore private bank, where USD 2 million to 5 million is the practical floor. That accessibility is a feature: a family can hold a serious onshore relationship with one of these institutions while keeping the bulk of investable wealth elsewhere.

What the local offering actually provides

The onshore private banks are at their best on everything connected to Thailand itself. A named relationship manager who answers the phone; priority handling of the FET paperwork and large transfers covered in our separate briefing on moving money; baht deposits and structured deposits; access to Thai equities, bonds and the local mutual fund shelf, including the tax-advantaged local funds; lending against Thai property and portfolios; and the practical, unglamorous services that matter when you live here, from cashier's cheques for a condo transfer to a branch manager who knows your household. The better desks have also built out offshore feeder access, giving qualified investors routes into global funds and foreign-currency products from an onshore account.

The limits are structural. The onshore platform is baht-centred and Thai-regulated: the global product universe is narrower than an international booking centre's, multi-currency capability is real but not the native habitat, offshore booking is by definition not what a domestic bank does, and research depth on global markets is thinner. Deposit protection is also modest, at ฿1 million per depositor per bank, which is irrelevant to invested assets but worth knowing for large idle cash balances.

The comparison with Singapore

Singapore's booking centres, the global names plus the strong Asian houses, offer what a domestic Thai bank cannot: the full global product shelf, true multi-currency accounts, custody in a jurisdiction whose entire regulatory identity is built on being a wealth hub, credit against internationally diversified portfolios, and portability if your Asian chapter ends. For most internationally wealthy families, the core portfolio belongs in such a centre, whether Singapore, Hong Kong, Switzerland or Dubai. The trade-offs run the other way for Thai matters: a Singapore banker cannot walk your FET paperwork through a Bangkok land office week, does not lend readily against Thai condos, and treats baht as an exotic.

The two-centre pattern

The arrangement most of our partners settle into is deliberately unexciting: an offshore booking centre holds the investable estate, and a Thai private or wealth relationship runs the life here. The onshore account receives planned remittances, sequenced with the tax analysis in our remittance briefing, holds working capital and the property-linked flows, and provides the local services. The offshore centre compounds quietly and reports cleanly under CRS. The two are connected by documented transfers rather than by improvisation. Families who instead try to run everything from offshore find Thai life full of small frictions; families who bring everything onshore give up platform quality for no corresponding gain.

Fees, and what to negotiate

Onshore private banking fees look modest at first glance because much of the economics sits in spreads rather than line items: FX conversion margins, structured deposit terms and fund retrocessions carry more of the cost than the visible advisory fee. At the balances that open private tiers, most of this is negotiable, and the FX spread on large conversions is the single most valuable thing to negotiate, since a family remitting and converting at scale can lose more to a retail spread in a year than any advisory fee. Ask for the dealing-room rate above a stated threshold, a written fee schedule, and clarity on which products pay the bank a distribution fee; the desks respect clients who ask, and the answers tell you a great deal about the desk.

Where a family office fits

Families above the private banking tiers increasingly run the Singapore pattern: a single family office entity in Singapore under its established incentive regimes holding the investable estate, with Thai banking kept deliberately operational. Thailand has signalled interest in attracting family offices and wealth management activity onshore, and the local banks have built family wealth advisory teams for the large Thai families, but the institutional depth for a full family office remains offshore for now. The pragmatic 2026 answer for most internationally wealthy families living here is unchanged: book globally, operate locally, and have one adviser who sees both sides whole.

Onshore tiers and thresholds are marketing constructs and move frequently; treat the figures here as orientation and confirm the current terms of any tier directly with the bank, in writing, before committing assets to reach it.

Choosing and opening well

In practice the choice of onshore bank turns less on the brochure than on the branch: the specific relationship manager, their authority within the institution, and their experience with foreign clients' documentation. Account opening for foreigners runs through the status and paperwork chain described in our banking briefing, and private tiers ease that path but do not exempt you from it. Asia Global Partners maintains working relationships with the private and wealth desks at each of the major banks, and with the Singapore booking centres our partners use, and we broker both sides of the two-centre arrangement: the right desk, the right banker, the accounts opened in the right order, and the flows between them designed before the first transfer moves. Sequencing matters here too: the onshore relationship is easier to open at the right tier when it is presented as part of a considered arrival, with the visa status, the address documentation and the initial funding plan arranged in advance, than when it is improvised at a branch counter. A morning of preparation buys years of a banker who takes your calls, and in Thailand, as everywhere, the relationship you establish at the start is the one you will actually get.

This briefing is general information, not legal, tax or investment advice. Thai rules change frequently and individual cases differ. Verify current requirements with the relevant authorities, including the Immigration Bureau, the Board of Investment, the Land Department, the Department of Business Development and the Revenue Department, and take advice on your own facts before acting.