Acquiring a Japanese company means choosing between a share purchase and an asset purchase, clearing Foreign Exchange and Foreign Trade Act (外国為替及び外国貿易法, FEFTA) screening if the target sits in a designated sector, and mapping every entity-level regulatory license before closing. A typical cross-border deal runs five to six months from NDA to closing, longer if FEFTA prior notification or GK member consent is required. The rest of this guide walks through each gate in order.
How Is Acquiring a Japanese Company Different From a Western Acquisition?
Japan is the world's third-largest economy and an increasingly active target for cross-border acquisition. But the mechanics of acquiring a Japanese company diverge from Western M&A practice in ways that consistently surprise experienced deal teams. If your target is a subsidiary or joint venture rather than a standalone company, review the Japan joint venture structure guide alongside this one, since JV exit and buyout mechanics overlap with acquisition mechanics.
Key differences to understand before signing an NDA:
1. FEFTA pre-screening is a deal gatekeeper. Designated industries require government clearance before a transaction can close. Timing violations expose both buyer and seller to penalties and potential forced divestiture.
2. Entity type determines acquisition mechanics. Acquiring a KK (株式会社) and acquiring a GK (合同会社) follow fundamentally different legal procedures. GK acquisitions require unanimous consent of existing members by default - a single dissenting member can block the entire deal.
3. Employment rigidity is a major deal variable. Japanese labor law makes post-acquisition workforce restructuring extremely difficult and expensive. This must be modeled into deal economics, not treated as a post-close negotiation.
4. Regulatory licenses do not always transfer. Many Japan-specific licenses (customs, pharmaceutical, telecommunications, food) are not automatically transferable in an asset purchase. Every license the target holds must be mapped during due diligence.
5. Cultural and timing dynamics differ. Negotiation pace is slower than in Western markets. Key decision-makers may not appear in initial meetings. Advisors familiar with Japan-side dynamics reduce timeline surprises and protect transaction certainty.
Share Purchase or Asset Purchase: Which Structure Fits a Japan Acquisition?
The first strategic decision in any Japan acquisition is whether to buy the company (shares or membership interests) or buy the business (selected assets and liabilities). Share purchase transfers the whole entity, including undisclosed liabilities; asset purchase lets the buyer select what it acquires but requires each regulatory license to be re-applied for.
Share Purchase (株式譲渡, share transfer / 持分譲渡, membership interest transfer)
In a share purchase, the buyer acquires ownership of the target entity itself. All assets, liabilities, contracts, employees, and licenses transfer automatically with the entity.
| Factor | Share Purchase |
|---|---|
| What transfers | The entire legal entity: all assets, liabilities, contracts, licenses, employees |
| Successor liability | Yes - buyer inherits all known and unknown liabilities |
| Regulatory licenses | Remain with the entity (no re-application required) |
| Employee consent | Not required - employment is with the same entity post-closing |
| Transaction simplicity | Simpler: one transfer, one closing document |
| Stamp duty | None on the share transfer agreement itself (株式譲渡契約書 is not a taxable document under the Stamp Tax Act (印紙税法)). Stamp duty applies only if physical share certificates are issued, based on the stated value. |
| Hidden liability risk | High - buyer assumes all undisclosed liabilities of the entity |
| Typical use case | Strategic acquisitions where brand, licenses, and established relationships are core value drivers |
Asset Purchase (事業譲渡)
In an asset purchase, the buyer selects which assets and liabilities to acquire. The target entity remains intact as a separate legal person, now holding only residual assets and liabilities not transferred.
| Factor | Asset Purchase |
|---|---|
| What transfers | Only selected assets and liabilities as defined in the purchase agreement |
| Successor liability | Limited to specifically assumed liabilities |
| Regulatory licenses | Must be re-applied for in the buyer's name - not automatic |
| Employee consent | Required individually - each employee must agree to transfer |
| Transaction complexity | More complex: each asset class has separate transfer mechanics |
| Real property transfer taxes | Registration and license tax (登録免許税) applies to real property |
| Hidden liability risk | Lower - buyer selects what it acquires and explicitly excludes the rest |
| Typical use case | Carve-outs, distressed acquisitions, situations where historical liabilities are a known concern |
Choosing Between the Two
Does Acquiring a Japanese Company Require FEFTA Approval?
Only if the target operates in a designated sector, and for an unlisted target in a designated sector, any share acquisition, including a single share, triggers prior notification. Outside designated sectors, a post-investment notification filed within 15 days of closing is sufficient and does not delay the deal. This is an educational overview of the FEFTA screening framework; a specific sector determination for a live transaction requires Director-level review before any client commitment.
What FEFTA Requires
The Foreign Exchange and Foreign Trade Act (外国為替及び外国貿易法, FEFTA), also known by its short Japanese name 外為法 (FEFTA), governs all cross-border investment into Japan. Under Article 26, non-resident investors - including foreign companies - acquiring shares in Japanese companies must comply with investment notification requirements.
Failing to comply is not a technicality. Violations can result in penalties, forced divestiture, or transaction unwinding.
Two Notification Tracks
| Sector Category | Notification Type | When to File | Waiting Period Before Closing |
|---|---|---|---|
| Non-designated sectors | Post-investment notification (事後届出) | Within 15 days of acquisition closing | None - deal can close immediately |
| Designated sensitive sectors | Prior notification (事前届出) | Before any binding agreement | 30 days (can be shortened to 2 weeks for straightforward cases) |
Designated Sectors Requiring Prior Notification
As of 2026, the following sectors require FEFTA prior notification before a foreign investor can acquire shares above designated thresholds:
- Defense and defense-adjacent manufacturing
- Telecommunications and broadcasting
- Energy (electricity, gas, nuclear, oil)
- Transportation (airlines, shipping, rail, port operations)
- Agriculture and forestry
- Financial services (banking, insurance, securities)
- Information and communication technology (including cybersecurity)
- Pharmaceuticals and medical devices
A transaction in a designated sector that closes without prior notification and clearance is voidable. The Ministry of Finance (MOF) and relevant sector ministry can order corrective action. Building FEFTA clearance into the transaction timeline from day one protects pricing, structure, and certainty.
How Prior Notification Works
Prior notification is filed with the Bank of Japan (日本銀行) on behalf of the foreign acquirer, with simultaneous filing with the relevant sector ministry (METI, MIC, or MOF depending on the sector).
The notification package includes:
- Identity of the acquirer and ultimate beneficial owner
- Description of the target company, its sector classification, and business activities
- Proposed shareholding percentage post-acquisition
- Purpose of the investment
- Description of any activities with national security relevance
The 30-day review period runs from the date of acceptance of the notification. In practice, the government often completes review faster for transactions that are clearly non-sensitive.
Threshold note: The prior notification trigger depends on whether the target is listed or unlisted:
- Listed target in a designated sector: prior notification is required when the foreign investor (together with closely related persons) would hold 1% or more of shares or voting rights. The 1% threshold was introduced in the May 2020 FEFTA amendment.
- Unlisted target in a designated sector: prior notification is required for any acquisition of shares by a foreign investor, including a single share. There is no minimum threshold.
Since most cross-border M&A targets in Japan are unlisted, the practical rule for typical acquisitions is: if the target operates in a designated sector, assume prior notification is required regardless of the stake size. Confirm the sector classification before any binding agreement.
Does Acquiring a GK Work Differently Than Acquiring a KK?
Yes. KK shares are generally freely transferable by a signed share purchase agreement, while GK membership interests require the unanimous consent of every other member under Companies Act (会社法) Article 585 unless the Articles of Incorporation say otherwise. A single dissenting GK member can block the entire deal.
Acquiring a KK (株式会社)
KK shares are generally freely transferable unless restricted by:
- The Articles of Incorporation (定款)
- A shareholders' agreement (株主間契約)
- A statutory right of first refusal or transfer approval provision
In the absence of restrictions, a share purchase agreement (株式譲渡契約書) between buyer and seller is sufficient. No consent from other shareholders is required (unless the Articles require transfer approval).
Post-acquisition, the buyer updates the company's shareholder register and files any required corporate registration changes (director appointments, address changes) with the Legal Affairs Bureau.
Acquiring a GK (合同会社)
GK membership interests (持分) are a fundamentally different instrument from KK shares. Under Companies Act Article 585, membership interest transfer requires the unanimous consent of all other members unless the Articles of Incorporation explicitly modify this default rule.
| Scenario | Practical Impact |
|---|---|
| Target GK has one member (sole member) | Transfer is straightforward - no other members to consent |
| Target GK has multiple members | Every other member must individually consent; any single member can block |
| Articles modified to permit transfer without consent | Follow the article-specific process; still more complex than KK share transfer |
Many cross-border buyers target GK subsidiaries of Japanese groups, assuming they function like a standard LLC acquisition under US or UK law. The unanimous consent requirement under Japanese Companies Act Article 585 regularly surprises deal teams. Reviewing the Articles and confirming the member register is a day-one step before signing any heads of terms.
Converting GK to KK Pre-Acquisition
If the target is a GK but the buyer needs KK-type share transferability (for regulatory, banking, or investor reasons), conversion from GK to KK is available before acquisition closes:
| Step | Cost / Time |
|---|---|
| Extraordinary resolution of current GK members | Internal |
| New Articles of Incorporation drafted | Professional fees |
| New registration tax at KK rate | ¥150,000 |
| Notarization of new Articles | ¥30,000–50,000 |
| Legal Affairs Bureau re-registration | 2–4 weeks |
| Total cost | ¥200,000–400,000+ in fees; 4–6 weeks elapsed time |
The pre-acquisition GK-to-KK conversion eliminates the unanimous consent constraint and gives the buyer freely transferable KK shares at closing, making future secondary sales, investment rounds, and reorganizations significantly simpler.
What Japan-Specific Due Diligence Do Foreign Buyers Often Miss?
Standard financial and legal due diligence applies, but four Japan-specific areas are frequently underweighted: entity-level regulatory licenses, Labor Contracts Act (労働契約法) dismissal protection, transfer pricing exposure on intercompany transactions, and import/export compliance history. A full walkthrough of the regulatory due diligence process is in the Japan M&A due diligence guide.
Regulatory Licenses
Japan issues many business licenses at the entity level, not the individual or asset level. In a share purchase, the entity continues to hold its licenses. In an asset purchase, each license must be re-applied for in the buyer's name.
| License Type | Issuing Authority | Transfer on Share Purchase | Key Consideration |
|---|---|---|---|
| Customs broker license (通関業者) | Regional Customs (税関) | Yes - entity continues | Critical for any import/export business; verify no pending violations |
| Food import license | MAFF / Ministry of Health (MHLW) | Yes | Verify current inspection status and any pending orders |
| Pharmaceutical manufacturing license (医薬品製造販売業許可) | PMDA / prefectural authority | Yes | High scrutiny - any post-acquisition operational change may require re-notification |
| Telecommunications license | MIC (総務省) | Yes, but change-of-control notification required to MIC | Failure to notify is a violation |
| Construction contractor license (建設業許可) | MLIT / prefectural government | Varies by license type | Some require re-registration after change of control |
| Food sanitation license (食品衛生許可) | Local health authority | Yes | Inspect compliance status |
| Financial instruments business license | FSA (金融庁) | Yes, but FSA notification required | Strict AML/KYC requirements post-acquisition |
Due diligence mandate: Prepare a complete license registry for the target in the first week of the due diligence process. Confirm transferability, notification requirements, and any current regulatory issues for every license.
Employment
Japan's Labor Contracts Act (労働契約法) and Labor Standards Act (労働基準法) create significant employee protection. In a share purchase, all employment contracts transfer to the new owner automatically.
Key employment risks for foreign buyers:
- Dismissal protection: Post-acquisition workforce restructuring in Japan requires extraordinary justification. Under the four-part test applied by courts: (1) business necessity, (2) good-faith efforts to avoid dismissal, (3) fair and reasonable selection criteria, (4) adequate employee consultation. Failure on any element creates "abusive dismissal" risk.
- Retirement benefit obligations: Many established Japanese companies operate defined-benefit retirement plans (退職金制度). These liabilities may not be fully disclosed in financial statements. Quantify in DDA.
- Union agreements (労使協定): If the target has a union, any major operational change post-acquisition may require union consultation or agreement.
- Shadow employees: Individuals treated as contractors but functionally operating as employees create undisclosed labor liabilities.
Budget conservatively for any planned workforce restructuring. Court-mandated reinstatement or settlement costs in Japan significantly exceed equivalent costs in most Western jurisdictions.
Tax
| Tax Area | What to Check |
|---|---|
| Corporate tax returns (3–5 years) | Outstanding assessments, audit history, intercompany transaction treatment |
| Consumption tax (JCT) | Qualified Invoice System (QIS) registration status; outstanding JCT liabilities |
| Transfer pricing | Intercompany pricing with affiliates; NTA audit risk; existing APA (advance pricing agreement) |
| Fixed asset tax (固定資産税) | Outstanding assessments on real property; scheduled reassessment dates |
| Withholding tax obligations | On payments to overseas affiliates or non-residents; confirm compliance |
| Deferred tax liabilities | Timing differences that will crystallize under new ownership |
Import/Export Compliance
For targets with import or export activity, compliance history is a material liability category:
| Area | What to Check |
|---|---|
| HS classification integrity | Are declared classifications defensible? Any misclassification exposure under retroactive customs audit? |
| FEFTA dual-use compliance | Does the target handle goods subject to export control? Any outstanding METI assessments or pending licenses? |
| Customs duty underpayment | Any pending or threatened retroactive duty assessments from Japan Customs? |
| Import permit status (food, pharma, medical) | Are all permits current? Any Ministry of Health orders or import bans in last 3 years? |
| Denied party screening history | Has the target screened counterparties against US OFAC, EU, Japan MoF lists? |
How Long Does It Take to Acquire a Japanese Company?
A typical Japan cross-border M&A transaction runs five to six months from first approach to closing. Designated-sector deals needing FEFTA prior notification add 30 to 60 days before a binding agreement can be signed, and a GK target with multiple members needing unanimous consent adds another two to six weeks.
Month 1 Month 2–3 Month 3–4 Month 4–5 Month 5–6+
┌─────────────┐ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐
│ APPROACH │ │ HEADS OF │ │ DUE │ │ SIGNING │ │ CLOSING │
│ │ │ TERMS │ │ DILIGENCE │ │ │ │ │
│ NDA signed │ │ LOI / MOU │ │ Legal DD │ │ SPA signed │ │ Funds │
│ Initial │→ │ Price range │→ │ Financial DD│→ │ Reps & │→ │ transferred │
│ meetings │ │ FEFTA │ │ Regulatory │ │ warranties │ │ Registration│
│ Sector │ │ assessment │ │ Employment │ │ Conditions │ │ updated │
│ screening │ │ agreed │ │ Tax DD │ │ precedent │ │ FEFTA │
└─────────────┘ └─────────────┘ └─────────────┘ └─────────────┘ │ complete │
└─────────────┘
Designated-sector acquisitions: Add 30 to 60 days from FEFTA prior notification filing to clearance. This period runs before signing a binding SPA (not just before closing). Structure the LOI timeline accordingly.
GK target with multiple members: Add 2 to 4 weeks to obtain unanimous consent from all members, or 4 to 6 weeks if GK-to-KK conversion is planned.
What Regulatory Steps Come Immediately After Closing?
A completed acquisition is the beginning of the regulatory integration process, not the end of it. Regulatory obligations begin on Day 1 of ownership: corporate registration updates, FEFTA post-investment notification within 15 days if applicable, sector ministry change-of-control notice, and updated bank signatories all fall inside the first 30 days. If the acquisition is a sell-side transaction from the other party's perspective, the Japan M&A sell-side guide covers the seller's parallel obligations, and where the deal itself is FEFTA-screened, background on the notification framework is in the Japan FEFTA foreign investment screening guide.
Immediate Priorities (Days 1–30)
| Action | Authority | Deadline |
|---|---|---|
| Update corporate registration (new directors, address if changed) | Legal Affairs Bureau | Within 2 weeks of change |
| File FEFTA post-investment notification (if post-notification track) | Bank of Japan | Within 15 days of acquisition |
| Notify relevant sector ministry of change of control | METI / MIC / MOF (sector-specific) | Per ministry rules - typically 30 days |
| Update customs registration (if target has import/export activity) | Regional Customs (税関) | As soon as possible |
| Employee communications | Target's workforce | Japanese labor law requires good-faith communication; silence creates trust risk |
| Update authorized bank signatories | Target's corporate banks | Immediately - prevents operational interruption |
Medium-Term Integration (Days 30–90)
| Action | Notes |
|---|---|
| Review and renegotiate key contracts | Change-of-control clauses in material contracts may have been triggered at closing |
| Transfer pricing documentation | Required from the first intercompany transaction post-acquisition |
| QIS (Qualified Invoice System) review | Confirm registration is current; update for any invoicing entity changes |
| Social insurance review | Reassess employee coverage under new corporate structure |
| License renewal calendar | Establish a registry of all licenses, notification deadlines, and renewal dates |
Regulatory License Review
Any change in management, address, or business scope may require re-notification to licensing authorities. This varies significantly by license type. A license registry established within the first 90 days of ownership prevents missed renewal deadlines and change-of-control notification failures, which can result in license suspension.
What Mistakes Do Foreign Buyers Most Often Make in Japan M&A?
The recurring failure pattern is sequencing: commercial terms get negotiated before the FEFTA sector screen, license mapping, and labor cost model are done, so a deal team discovers a blocking regulatory issue after signing rather than before. Japan market entry and exit advisory that runs the regulatory screen in parallel with commercial negotiation, rather than after, is what closes this gap.
| Pitfall | Why It Happens | Prevention |
|---|---|---|
| Missing FEFTA prior notification | Teams focus on commercial terms; miss regulatory gate | Run sector screen as step one, before NDA signing |
| Assuming GK acquisition works like KK | Western buyers unfamiliar with Companies Act Article 585 consent requirement | Review Articles and member register before signing heads of terms |
| Underestimating labor cost post-acquisition | Japan dismissal rules are strict and often underestimated by foreign acquirers | Model restructuring cost as a purchase price condition, not a post-close hope |
| Incomplete license mapping in DDA | Licenses assumed to transfer automatically | Mandatory: map every Japan license in week one of due diligence |
| Closing without a Japan-resident director plan | Foreign-only board causes banking and operational bottlenecks immediately post-close | Plan director appointments as part of closing mechanics |
| Missing transfer pricing exposure | NTA actively audits intercompany transactions in acquired companies | Conduct transfer pricing review during DDA; establish documentation pre-close |
| LOI signed before FEFTA assessment | Sector turns out to be designated; deal repriced or transaction blocked | FEFTA sector screening is a pre-LOI obligation, not a post-signing fix |
| Failing to notify sector ministry post-close | Change-of-control notification deadlines missed | Assign a compliance owner on Day 1 with a notification calendar |
Checklist: Japan M&A for Foreign Buyers
Pre-LOI
- FEFTA sector classification confirmed: designated (prior notification required) or standard (post-notification)
- Target entity type confirmed: KK (shares) or GK (持分 with consent rules)
- If GK: Articles reviewed; member count and consent structure confirmed
- Deal structure decided: share purchase or asset purchase
- Labor restructuring cost modeled under Japan law assumptions
Due Diligence
- License registry created: every Japan license mapped, transferability confirmed
- Employment review complete: all contracts, union agreements, retirement benefit obligations assessed
- Tax review complete: corporate tax, JCT, transfer pricing, outstanding assessments (3–5 years)
- Import/export compliance reviewed: HS classification integrity, FEFTA/export control status, customs duty exposure
- Change-of-control clauses identified in all material contracts and licenses
Pre-Closing
- FEFTA prior notification filed (if designated sector); 30-day review period confirmed in transaction timeline
- Purchase price adjusted for any identified liabilities
- Director appointment resolutions prepared for closing
- Employee communication plan prepared
- Japan-resident director confirmed for post-closing entity operations
Post-Closing (within 30 days)
- Corporate registration updated at Legal Affairs Bureau
- FEFTA post-investment notification filed within 15 days
- Sector ministry change-of-control notification filed
- Customs registration updated (if applicable)
- License registry established with renewal calendar
Frequently Asked Questions
Does every acquisition of a Japanese company need FEFTA approval before closing?
No. Only designated sectors, defense, telecommunications, energy, transportation, agriculture and forestry, financial services, ICT and cybersecurity, and pharmaceuticals and medical devices, require prior notification before signing a binding agreement. Outside those sectors, a post-investment notification filed within 15 days of closing satisfies FEFTA and does not delay the transaction.
Can a single dissenting member really block a GK acquisition?
Yes, under Companies Act (会社法) Article 585, transferring a GK membership interest requires the unanimous consent of every other member unless the Articles of Incorporation modify that default rule. One dissenting member is enough to stop the deal, which is why reviewing the Articles and member register before signing heads of terms is a day-one due diligence step, not a closing formality.
Is a share purchase or an asset purchase better for acquiring a Japanese company?
It depends on what the buyer is protecting against. Share purchase transfers the whole entity, including regulatory licenses that would otherwise require re-application, but the buyer also inherits every known and unknown liability. Asset purchase lets the buyer select which assets and liabilities to acquire, which is generally the cleaner route for carve-outs or distressed targets, but every license must be re-applied for in the buyer's name.
Official References
| Source | Link |
|---|---|
| Companies Act (English) | japaneselawtranslation.go.jp |
| FEFTA - Foreign Investment Screening (Ministry of Finance) | mof.go.jp |
| Bank of Japan - FEFTA Notification Procedures | boj.or.jp |
| METI - Inward Foreign Direct Investment | meti.go.jp |
| NTA - Transfer Pricing Guidelines | nta.go.jp |
| Labor Standards Act (English) | japaneselawtranslation.go.jp |
| Labor Contracts Act (English) | japaneselawtranslation.go.jp |
This article is for informational purposes only. Consult a licensed attorney (弁護士), judicial scrivener (司法書士), tax accountant (税理士), or M&A advisor for your specific transaction. M&A engagements involving regulated industries require Director-level review before engagement.