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If your Korean subsidiary pays dividends, interest, or royalties to its foreign parent, a filing obligation that used to be triggered only when the tax office asked is now a standing deadline.
Korea raised corporate income tax across every bracket, effective for fiscal years beginning on or after 1 January 2026. If you budgeted your Korean subsidiary off last year's numbers, those numbers are now wrong.
There is a step in Korean market entry that almost nobody asks about and almost everybody needs: foreign investment reporting. It appears in every incorporation checklist as a single line, usually between "deposit capital" and "register the company," and it is routinely treated as paperwork.
Every employer in Korea must enrol employees in four mandatory social insurance schemes. Foreign companies rarely dispute the requirement. What catches them out is the administration: when enrolment has to happen, who pays which share, and what triggers an adjustment.
Hiring in Korea looks straightforward until the first thing goes wrong. A foreign employer signs a contract that would be unremarkable in London or San Francisco, then discovers eighteen months later that they cannot let the person go, that a severance liability has been quietly accruing since day one, and that the probation clause they relied on does not do what they assumed.
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You want to hire someone in Korea. Maybe one engineer, maybe a small sales team. The question that follows is bigger than it looks: do you establish a Korean legal entity, or do you use an Employer of Record?
You can incorporate a company in Korea without ever setting foot in the country. What you cannot do is run it from inside Korea without the right visa. That gap catches a lot of foreign founders by surprise, usually after the entity is already registered and the bank account is open.
For foreign companies that already have an established parent entity abroad, a branch office is often the fastest way into the Korean market. Korea branch registration lets you operate under your existing corporate name, generate revenue, and sign contracts locally, without setting up an entirely new legal entity. But it comes with a trade-off that trips up companies who don't plan for it: the parent company carries full legal liability for everything the branch does.
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Foreign companies entering Korea face one unavoidable first step: Korea business registration....
Choosing where to structure your business isn't just a legal formality. It's a strategic move that...
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