Home / Insights / The Next Wave of Japan–Korea Investment in Indonesia

The Next Wave of Japan–Korea Investment in Indonesia

October 01, 2025

Wiljadi Tan
Share :    

Over the past decade, Japan and South Korea have stood out as two of the most consistent sources of foreign investment in Indonesia. Their capital has financed infrastructure, expanded power generation, strengthened the financial system, and boosted industrial capacity.

Yet behind the headline numbers, recent M&A activity (2019–2025 YTD) signals that a new phase is taking shape. This phase will be driven not only by conglomerates and chaebols, but also by a growing cohort of mid-sized corporates seeking partnerships with Indonesian founders.

For Indonesian medium-sized and family-owned businesses, the question is no longer if Japanese and Korean investors will arrive—it is how they will enter, and what form those partnerships will take. The patterns of the last six years offer important lessons for those preparing for this next wave.

Cycles of Activity

  • Japan carried out 36 deals between 2019–2025, showing resilience through the pandemic, a sharp rebound in 2022–23, and a pause in 2024. The total disclosed value reached ~USD 1.8 billion, though the median deal size was a modest ~USD 14 million.

A graph with blue and green bars AI-generated content may be incorrect.

  • Korea, with 16 deals in the same period, moved differently: fewer in number, but generally larger in size. The total disclosed value was ~USD 815 million, with a median deal size of ~USD 85 million.

A graph on a white paper AI-generated content may be incorrect.

The takeaway: Japan dominates in volume of deals, while Korea stands out in deal size.

Sectors and Industries Attracting Capital

The two countries show distinct patterns in the sectors and industries where they place their bets.

Japan’s footprint is broad:

  • Sectors: Utilities & Renewables, Financial Services, Industrials, IT/Services, Healthcare, and Consumer.
  • Industries: Independent Power Producers, Consumer Finance, Trading & Distribution, Construction & Engineering, Healthcare Providers.

Korea’s focus is more concentrated:

  • Sectors: Industrials & Logistics, Financials, Utilities/Energy, and Materials.
  • Industries: Transportation Infrastructure, Construction & Engineering, Consumer Finance & Leasing, Renewable Power, Chemicals & Materials.

The takeaway: Japanese corporates are using M&A to explore a wide range of adjacencies, from renewables to healthcare. Korean investors, by contrast, remain closer to their industrial and infrastructure strengths, with a heavier tilt toward logistics, construction, and energy.

Deal Form and Size

Both Japan and Korea tend to follow a two-lane playbook when entering Indonesia:

  • Minority stakes and JVs (USD 10–40m): These deals act as options to control. They allow investors to learn, build trust, and integrate gradually without committing fully at the start.
  • Control deals (USD 250m+): These larger transactions are pursued when the target already demonstrates scale, regulatory clarity, and strong governance.

For Japan, about half of the transactions have been minority entries, often undisclosed or within the USD 10–40m sweet spot. For Korea, the median deal size is significantly higher, reflecting their preference for large industrial or infrastructure platforms.

The takeaway: Minority/JV deals are the preferred entry mode, but when confidence is high, both Japanese and Korean investors are willing to write much larger checks for control.

Buyer Personas

The profiles of Japanese and Korean investors show clear differences.

Japan:

  • Mid-sized specialists (22 deals) dominate by frequency. They move quickly, write smaller tickets, and often pursue learning-driven investments. These companies are ideal partners for Indonesian SMEs seeking strategic lift and market access.
  • Conglomerates and MNCs (8 deals) account for most of the disclosed dollar value, but they are fewer in number. Their focus is on larger, more established platforms.

Korea:

  • Today’s activity is led by chaebols and industrial majors, with larger platforms in logistics, construction, and energy.
  • The next wave will likely bring mid-tier Korean groups that mirror the Japanese model—smaller, faster entries aimed at growth-stage companies.

The takeaway: Japan has already embraced mid-sized, fast-moving specialists, while Korea is still more weighted toward its large groups. But the trend suggests both countries are converging toward a dual approach: large-scale plays when warranted, and smaller, quicker deals to test the waters.

What This Means for Indonesian Founders

The next wave is not just a trend—it is a practical roadmap for Indonesian businesses seeking Japanese and Korean partners. The data highlights several implications:

Sectors & Industries in Focus

Investors are concentrating on areas where Indonesia combines growth potential with strategic importance:

  • Energy transition: Independent power producers, geothermal projects, and renewable electricity.
  • Financial services: Consumer finance, leasing, insurance, and banking.
  • Logistics & infrastructure: Transportation hubs, logistics providers, and supporting services.
  • Construction & industrials: Engineering, trading companies, and equipment providers.
  • IT/Services: Systems integration, IT services, and digital distribution.
  • Healthcare: Hospitals, providers, and related services.
  • Materials: Chemicals, metals, and packaging.

Deal Form

Minority stakes and joint ventures remain the preferred entry door. These structures give investors flexibility—allowing them to learn and build trust—while giving founders access to capital and networks without losing control too early.

Size Sweet Spot

The USD 10–40 million range is where most activity is concentrated. For investors, it’s an accessible entry ticket; for founders, it’s often the exact amount needed to accelerate growth, professionalize operations, or expand nationwide.

Buyer Profiles

  • Japan: Mid-sized sector specialists dominate. They invest more frequently, write smaller tickets, and move with speed—making them a strong match for SMEs seeking strategic lift.
  • Korea: Deals today are still led by chaebols and larger industrial groups, with bigger checks in infrastructure and heavy industries. But the next wave will bring mid-tier Korean players who will follow the Japanese model—smaller, quicker bets in high-growth companies.

The implication for founders: If your business operates in these sectors, design your capital strategy with minority/JV readiness in mind, understand the expectations of mid-sized specialists, and prepare to showcase scale-up potential within the USD 10–40 million band.

Readiness Checklist for Founders

To attract Japanese and Korean investors, founders must go beyond a compelling business model. They need to signal readiness through structures and practices that foreign corporates recognize and trust.

Entry-Friendly Minority Structures

Foreign investors often prefer to start small in new markets. Offering 10–30% stakes, combined with shareholder agreements that allow influence without daily interference, lowers the barrier to entry. Balanced minority protections reassure investors while preserving founder agility.

Rights to Increase

Minority deals are often “options to control.” Investors want the right—but not the obligation—to expand their stake once trust is established. Structured call/put options, staged tranches, and pre-agreed valuation formulas create a clear, dispute-free pathway for scaling up ownership.

Clear Governance & Transparent Reporting

For Japanese and Korean corporates, trust is built on process discipline. Being “audit-ready” is critical: set up clear board oversight, establish independent committees, and commit to regular financial and KPI reporting. Strong governance signals credibility and reduces friction during due diligence.

KPI-Linked Tranches

Investors often link funding to performance milestones. Deals may release USD 10–15m upfront, with additional capital tied to growth in revenue, customers, or margins. Objective, agreed KPIs ensure alignment: founders secure capital to scale, while investors see progress before committing further.

Why this matters: These four elements reduce risk for foreign investors, align interests, and create a foundation of trust. They transform a company from being “interesting” to being truly investment-ready.

Why This Matters Now

Japan has already shown the way: mid-sized corporates steadily entering Indonesia with USD 10–40m strategic tickets. Korea, so far, has leaned toward bigger, infrastructure-heavy plays, but its mid-tier groups are preparing to follow. Together, they represent a converging wave of capital and partnerships.

For Indonesian founders, the message is clear:

  1. Position your company as a “learning option.” A small minority deal today can pave the way for deeper partnerships and larger investments tomorrow.
  2. Get your house in order. Governance, reporting, and minority-friendly structures will determine whether you become the chosen platform—or get passed over.

The Future

The future of Japan–Korea investment in Indonesia is not only about waiting for the large conglomerates. The real momentum will come from mid-sized, fast-moving corporates—companies eager to grow through partnerships with ambitious Indonesian businesses.

Those who are ready—sector-focused, governance-prepared, and structurally flexible—will not just attract foreign capital. They will become the platforms through which Japan and Korea build their next chapter in Southeast Asia.

 ***