How Foreign Investment Review and Notification Works in South Korea for M&A Deals

Foreign investment review and notification is a critical early-stage consideration for many first-time inbound buyers in South Korea, where a well-established statutory regime governs who must notify, when, and to whom before a cross-border transaction can close. This guide sets out, in practical and transaction-focused terms, how Korea’s foreign investment review and notification system operates for mergers and acquisitions in 2026, covering the parties who carry filing obligations, the trigger events that set the clock running, the documents regulators expect, realistic timelines, fast-track routes, and the antitrust filings that frequently run in parallel.

The primary statute is the Foreign Investment Promotion Act (FIPA), administered chiefly by the Ministry of Trade, Industry and Energy (MOTIE), with merger-control questions handled separately by the Korea Fair Trade Commission (KFTC). Whether you are an in-house counsel, a foreign strategic buyer, a private-equity sponsor, or a litigator preparing for a contentious clearance, the goal here is to help you map obligations early, prepare clean filings, and reduce the risk of unexpected regulatory intervention.

Introduction, why foreign investment review matters in Korean M&A

South Korea actively encourages inbound foreign direct investment, but it balances that openness with a notification-and-review framework designed to protect national security, strategic industries and public order. For deal teams, the practical consequence is that foreign investment review and notification is not an afterthought to be managed at signing, it is a structural feature of the transaction that affects conditionality, timing and risk allocation. Understanding how foreign investment review and notification works allows you to price regulatory risk accurately, draft appropriate conditions precedent, and avoid the reputational and financial cost of a failed or delayed closing.

FIPA sits at the centre of this system, supplemented by its Enforcement Decree and sector-specific rules, and it is the first text any adviser should consult.

Who must notify, parties and covered transactions

The threshold question in any Korean deal is identifying which party carries the notification obligation and which transaction structures are caught. Korean foreign investment review turns on the status of the investor and the nature of the investment, not merely on the size of the investment.

Direct versus indirect investment

A direct foreign investment under FIPA typically involves a foreign person or foreign-controlled entity acquiring shares or an equity interest in a Korean company, or establishing a new Korean enterprise, subject to the statutory conditions. Indirect structures, where a foreign ultimate parent invests through an intermediate Korean or offshore holding vehicle, can still raise foreign-investment issues where the ultimate beneficial owner is foreign. Deal teams should map ownership to the ultimate parent before concluding that no filing is required, and confirm how the characterisation applies under the current statutory text.

Share deals versus asset deals versus control changes

The analysis differs by structure. A share purchase that gives a foreign investor a qualifying equity stake in a Korean company is the classic trigger. An asset purchase, for example, acquiring a business division or specific assets, may be treated differently and can involve distinct registration or notification steps. A change of control, including the acquisition of voting rights that shifts effective command of a Korean entity, is a particularly sensitive event. Each structure should be assessed against FIPA and its Enforcement Decree rather than assumed to be equivalent.

Foreign investors, foreign-controlled entities and downstream thresholds

The definition of a “foreign investor” is broad and captures foreign individuals, foreign companies and entities meeting the statutory criteria. Downstream, a Korean company that is already foreign-invested may itself be treated differently when it makes further acquisitions. Because the characterisation can be counter-intuitive, parties should confirm status early with reference to the statutory definitions on law.go.kr and the English translations published by the Korea Legislation Research Institute (KLRI).

Trigger events and notification thresholds in foreign investment review

Once the parties are characterised, the next step is to identify the trigger event. Korea’s regime is event-driven: specific transactional steps create a duty to notify, and the timing of that duty, before or after the event, depends on the nature of the investment and the sector involved.

Key trigger events

The principal triggers include the acquisition of shares or equity in a Korean enterprise by a foreign investor, an increase in a foreign investor’s voting rights or shareholding, and the establishment of a new foreign-invested enterprise. A qualifying long-term loan from a foreign parent to its Korean subsidiary can also constitute a reportable form of foreign investment in certain circumstances. Each of these events should be checked against the current text of FIPA, because the statute distinguishes between the forms of investment that qualify and the procedural step each requires.

Sector-specific thresholds and sensitive industries

Beyond the general regime, certain sectors attract heightened scrutiny. Defence and defence-related manufacturing, telecommunications, broadcasting, electricity and gas, and other strategically important industries can be subject to restrictions, caps on foreign shareholding, or an in-depth review. Where a target operates in a sensitive field, or handles dual-use technology, large volumes of personal data, or strategic materials, the foreign investment review process can extend well beyond a routine notification. Korea also operates a separate national core technology regime under the Act on Prevention of Divulgence and Protection of Industrial Technology, which can require government approval or reporting where a target holds designated national core technologies.

Deal teams should screen the target’s activities against the relevant restriction lists and MOTIE guidance before committing to a timetable.

How thresholds are calculated

Thresholds in the Korean regime are generally expressed by reference to shareholding percentages, voting rights or minimum investment amounts, with distinct treatment for the acquisition of controlling versus non-controlling stakes. Because numeric thresholds and minimum investment figures are set by statute and Enforcement Decree and are periodically adjusted, this guide deliberately does not assert fixed numbers. Instead, confirm the current thresholds directly on law.go.kr and the KLRI English pages, and cross-check MOTIE’s procedural guidance for the figures in force at the time of your transaction.

Legal basis and competent authorities

The Foreign Investment Promotion Act (FIPA) is the primary statute establishing the notification and review obligations for inbound foreign investment in South Korea. FIPA is supplemented by its Enforcement Decree and Enforcement Rules, together with sector-specific legislation that may impose additional restrictions in regulated industries. The authoritative text, including the relevant article numbers, is available on the National Law Information Center (law.go.kr), and the KLRI maintains English translations that are useful for foreign advisers who need to quote statutory language.

MOTIE is the competent authority for foreign investment notifications and reviews under FIPA, and much of the day-to-day processing is delegated to designated receiving institutions such as foreign-exchange banks and the Korea Trade-Investment Promotion Agency (KOTRA), which operates Invest KOREA as the national investment-promotion function. Where a transaction also meets merger-control thresholds, the KFTC runs a separate competition analysis. For deals touching national security, sensitive sectors or national core technology, additional review mechanisms may be engaged. Identifying the correct authority, and the correct receiving institution, at the outset prevents filings being made to the wrong body and losing time.

Documentation checklist, what to include in a notification

A clean, complete filing is the single most effective way to keep a review on schedule. Incomplete documentation is a common cause of delay, because the administrative completeness check cannot be cleared until every required item is supplied. The following checklist reflects the categories regulators typically expect, though the precise document list should be confirmed against current MOTIE guidance for the specific transaction type.

• Transaction overview. A clear description of the deal structure, the parties, the percentage stake being acquired and the form of investment.
• Investor identity and ultimate owner. Corporate documents evidencing the foreign investor’s identity, together with a chart tracing ownership to the ultimate beneficial owner.
• Source of funds. Evidence of the funding for the investment, which is particularly important where state-linked or opaque funding structures are involved.
• Business plan. A description of the intended business activity of the Korean enterprise following completion.
• Financial statements. Recent financial statements of the investor and, where relevant, the target.
• Transaction agreements. The share purchase agreement, asset purchase agreement, shareholders’ agreement or equivalent documentation.
• Corporate approvals. Board or shareholder resolutions authorising the transaction.
• Sensitive-activity statements. Where the target operates in or near a sensitive sector, a statement addressing those activities and any national-security considerations.
• Risk-mitigation undertakings. Where applicable, proposed undertakings or conditions designed to address regulatory concerns.

Deal teams frequently prepare a dedicated Korea foreign investment notification checklist at the diligence stage so that documents are gathered in parallel with negotiation rather than scrambled together at signing. Building that checklist early is one of the most reliable ways to control timing.

Timeline, stages and time-to-clearance (process map)

Understanding the review timeline is essential for drafting realistic conditions precedent and long-stop dates. The Korean process moves through identifiable stages, and while a routine notification can proceed quickly, sensitive-sector matters can take considerably longer. For the authoritative timeframes applicable to your filing, consult the current MOTIE procedural guidance; the stages below describe the typical shape of a review.

Initial filing and administrative completeness check

The process begins with the notification being lodged with MOTIE or the delegated receiving institution. The authority first confirms that the filing is administratively complete. A deficient filing is returned for correction, and the substantive clock does not meaningfully advance until completeness is confirmed, which is why the documentation checklist above matters so much.

Substantive review period

Once accepted, routine foreign investment notifications in non-sensitive sectors are generally processed efficiently. Matters that engage sensitive sectors, national security concerns, national core technology or foreign state-owned investors undergo a more substantive and potentially inter-ministerial review, which naturally extends the timeline.

Requests for additional information

During substantive review, the authority may issue requests for additional information. Each request can pause or reset elements of the timetable, so prompt, complete responses are the best way to maintain momentum. Anticipating likely questions, particularly on source of funds and ultimate ownership, and preparing answers in advance is a practical way to shorten the overall review.

Clearance, conditional approval or prohibition

Reviews conclude in one of three broad ways: clearance, approval subject to undertakings or mitigation measures, or, in rare national-security cases, prohibition or restriction. Conditional approvals are increasingly significant in sensitive-sector deals, and the negotiation of acceptable conditions can itself become a focal point of the transaction. A suggested process flowchart, from filing, through completeness check and substantive review, to decision, helps internal stakeholders visualise where a deal sits at any moment.

Fast-track routes, exemptions and pre-clearance options

Not every transaction requires a full substantive review, and understanding when a deal falls below the full-review threshold can save weeks of timeline.

Exempt and lightly treated categories

Certain investments fall outside the FIPA foreign-investment regime or are treated more lightly, for example, portfolio investments below the relevant shareholding threshold that do not confer control, which may instead be addressed under foreign-exchange reporting rules. The precise categories are defined by FIPA and its Enforcement Decree, and should be confirmed against the current statutory text rather than assumed from prior practice.

Pre-clearance and advance consultation

Where a transaction may raise sensitive-sector or national-security questions, early, informal consultation with MOTIE or the relevant receiving institution can clarify expectations before a formal filing is made. Advance engagement allows parties to understand the likely scope of review and to shape the documentation and any proposed undertakings accordingly.

Keeping routine filings fast

For straightforward, non-sensitive investments, the standard notification process is itself relatively fast. Where speed is critical, the practical levers are a complete first filing, proactive responses to information requests, and early identification of any sensitive-sector flags that could otherwise surface late and derail the timetable.

Antitrust and parallel filings, KFTC and merger control interaction

Foreign investment review under FIPA is distinct from merger control under the Monopoly Regulation and Fair Trade Act, administered by the KFTC. The two regimes serve different purposes, one addresses foreign-investment and national-security policy, the other addresses competition, and a single transaction can trigger both. Where a deal meets the KFTC’s merger-control thresholds, a separate merger notification is required in addition to any FIPA notification.

Practical tips to coordinate antitrust and FDI filings

Running two regulatory processes in parallel demands disciplined project management. The following practices help keep both tracks aligned:

• Map both regimes at the outset. Determine early whether KFTC merger-control thresholds are met and whether the FIPA notification is pre- or post-completion, so the critical path is clear.
• Align the information requests. The two authorities will seek overlapping information; preparing a single, consistent evidence base avoids contradictory submissions.
• Coordinate remedies. Where both regimes may impose conditions, ensure that undertakings offered to one authority do not conflict with those offered to the other.
• Synchronise closing conditions. Draft conditions precedent so that completion is not permitted until both clearances are secured.

Consult the KFTC’s official guidance on merger notification to confirm current thresholds and procedural requirements, as these interact with the overall transaction timetable.

Pre-deal diligence and deal planning to reduce surprises

The most effective risk management happens before signing. A disciplined pre-deal process identifies regulatory exposure while there is still time to structure around it, and it is here that experienced local counsel adds the most value. Knowing how foreign investment review and notification works before the signing date lets you build protection into the agreement itself.

A robust pre-deal checklist should address the following:

• Sector screening. Assess whether the target operates in a sensitive or restricted industry, defence, telecommunications, broadcasting, critical infrastructure, dual-use technology, national core technology or large-scale personal-data handling.
• Ownership mapping. Trace the investor’s ownership to the ultimate beneficial owner and flag any foreign state-ownership that may elevate scrutiny.
• National-security flags. Identify any feature of the target or buyer that could engage a national-security or national core technology review, and plan the filing strategy accordingly.
• Contractual drafting. Include appropriate representations, conditions precedent tied to regulatory clearance, and regulatory-cooperation clauses that oblige both parties to support the filing process.
• Escrow and holdbacks. Use escrow or holdback mechanisms to manage the risk that conditions are imposed or that completion is delayed.

On conditionality, buyers typically seek the broadest possible regulatory conditions precedent, while sellers resist deal uncertainty and long-stop extensions. A balanced outcome usually allocates the obligation to pursue clearance to the buyer, sets reasonable efforts standards, and defines clearly what level of remedy the buyer must accept. Red flags that warrant particular attention include foreign state-owned investors, dual-use or defence-related technology, national core technology, critical-infrastructure assets, significant personal-data processing and large land acquisitions.

Penalties, remedies and what happens on non-notification

Failure to comply with FIPA’s notification requirements carries consequences. Under the statute, non-notification or defective notification may expose parties to administrative sanctions, and in serious cases can create a risk to the recognition or continuation of the investment, together with the possibility of corrective orders. The precise sanctions and their application are set out in FIPA and its Enforcement Decree and should be confirmed against the current text on law.go.kr. Where a filing has been missed, the usual remedial path is prompt after-the-fact notification together with engagement with the authority to agree any necessary mitigation. Early, candid disclosure is generally preferable to allowing a defect to be discovered later in the life of the investment.

Comparison table, Korea vs US (CFIUS) vs EU FDI framework in foreign investment review

International investors benefit from seeing the Korean regime in context. The table below compares Korea’s framework with the United States CFIUS process and the European Union’s screening-coordination framework. Jurisdiction-specific figures should always be confirmed against the official sources cited below.

The headline difference is structural: Korea operates a national regime under FIPA with a dedicated promotion-and-review authority in MOTIE, the United States applies a security-focused CFIUS review administered inter-agency with the Treasury as chair, and the EU relies on Member State regimes coordinated by Regulation (EU) 2019/452 rather than a single centralised screener.

Practical case examples and recent enforcement trends

Across comparable regimes, enforcement trends in recent years have moved in a consistent direction: closer scrutiny of transactions involving sensitive technologies, critical infrastructure and foreign state-linked investors. In the Korean context, deals touching defence, advanced technology, national core technology and strategic industries attract the most detailed review, and approvals accompanied by undertakings have become a familiar outcome in sensitive matters. Two illustrative patterns, drawn from the general experience of practitioners rather than any single named transaction, are instructive. First, acquisitions of targets with dual-use or national core technology frequently prompt detailed source-of-funds and end-use questions, which well-prepared buyers answer with a pre-assembled evidence pack.

Second, transactions involving foreign state-ownership tend to invite inter-ministerial engagement, so parties increasingly build pre-clearance consultation into the timetable. For authoritative, named examples, consult the official press releases and decisions published by MOTIE and the KFTC, and relevant rulings available through the Korean courts.

Conclusion and next steps

Understanding how foreign investment review and notification works is a prerequisite for any confident cross-border acquisition in South Korea. The regime under FIPA, administered by MOTIE and running alongside KFTC merger control, is navigable, but it rewards early planning: characterise the parties, identify the trigger event, verify current thresholds against official sources, assemble a complete documentation pack, and build realistic timelines and conditions into the transaction documents. For sensitive-sector, national core technology or state-linked deals, pre-clearance consultation and carefully negotiated conditionality are often decisive. Because statutory thresholds, timelines and sector lists are periodically updated, always confirm the position against the current text on law. go. kr and the KLRI translations, and against MOTIE and KFTC guidance, before relying on it.

For broader transactional context, see the M&A transaction South Korea, step-by-step guide and the overview of Corporate lawyer fees, South Korea (2026), and engage experienced local counsel early to tailor the filing strategy to your deal.

Sources

1. National Law Information Center (Korea), Foreign Investment Promotion Act (FIPA)
2. Ministry of Trade, Industry and Energy (MOTIE)
3. Invest KOREA / KOTRA, foreign investment information
4. Korea Fair Trade Commission (KFTC)
5. Korea Legislation Research Institute (KLRI), English translations of Korean statutes
6. US Department of the Treasury, Committee on Foreign Investment in the United States (CFIUS)
7. EUR-Lex, Regulation (EU) 2019/452 on the screening of foreign direct investments
8. OECD, Foreign Direct Investment and related policy notes
9. Supreme Court of Korea