A critical question for policymakers is how Kenya’s GDP could grow- both in absolute size and sectoral diversity- if the country consciously financed and supported the emergence of large Kenyan conglomerates. Writes Nicasio Karani Migwi, Founder, MD and CEO of Afromaximus Consult and Afromillenium Awards.
Kenya’s long-term economic growth could be significantly accelerated by deliberately supporting the rise of large, diversified indigenous conglomerates capable of anchoring industrial ecosystems. Lessons from Japan’s Zaibatsu and their post-war successors, the Keiretsu, suggest that sophisticated conglomerates can play a central role in strengthening national competitiveness, expanding industrial capacity, and driving innovation.
A critical question for policymakers is how Kenya’s GDP could grow- both in absolute size and sectoral diversity- if the country consciously financed and supported the emergence of large Kenyan conglomerates. Could the deliberate nurturing of 100 indigenous conglomerates transform Kenya’s industrial structure in the same way large business groups helped power Japan’s economic rise?
Keiretsu are networks of companies linked through cross-shareholding and long-term business relationships, often centered around a major bank.
Large conglomerates often serve as anchors of national economies. Their scale allows them to finance large investments in research and development (R&D), expand internationally, and build extensive supplier networks populated by small and medium enterprises (SMEs). Such ecosystems can generate innovation, deepen value chains across industries, and accelerate the adoption of new technologies.
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The Rise of Japan’s Zaibatsu and Keiretsu
Before World War II, Japan’s economy was dominated by Zaibatsu, large vertically integrated conglomerates that controlled significant portions of the national economy.
These business groups emerged during the Meiji Era (1868–1912) and included powerful family-controlled conglomerates such as Mitsubishi, Mitsui, Sumitomo, and Yasuda.
A typical Zaibatsu structure consisted of:
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A family-controlled holding company
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A captive bank that financed the group
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Multiple industrial subsidiaries across sectors
These conglomerates benefited from government procurement, foreign trade, tax collection roles, and military production. Their scale and efficiency helped Japan successfully compete in conflicts such as the Russo-Japanese War (1904–1905) and World War I.
After World War II, Allied occupation authorities dismantled the Zaibatsu to reduce their influence. However, a new system of corporate organization soon emerged: the Keiretsu.
Keiretsu are networks of companies linked through cross-shareholding and long-term business relationships, often centered around a major bank. This structure shields companies from hostile takeovers and stock market volatility, allowing them to focus on long-term investment strategies.
Two main types exist:
Horizontal Keiretsu (financial groups)
These are centered around major banks and involve cross-shareholding among diverse corporations. The largest groups include Mitsubishi, Sumitomo, Mitsui, Fuyo, and Sanwa.
Vertical Keiretsu (industrial networks)
These consist of supply chain structures linking manufacturers, suppliers, distributors, and subcontractors within a specific industry.
Vertical Keiretsu are particularly prominent in industries such as automobile manufacturing, where layered supplier networks support large parent companies.
Could Kenya replicate aspects of the Zaibatsu-Keiretsu model by deliberately supporting the growth of its largest indigenous firms?
How Japan Supported the Keiretsu
Between 1955 and 1973, the country made significant investments in steel, manufacturing, and industrial infrastructure. Prime Minister Hayato Ikeda (1960–1964) introduced the landmark Income Doubling Plan, which aimed to double Japan’s economy within ten years.
The plan relied on a combination of policy measures including:
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Tax reductions
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Lower interest rates
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Massive infrastructure investment in highways, railways, ports, airports, and communications
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Expansion of the social safety net
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Export promotion and industrial development
The Bank of Japan supported this strategy through an “over-loaning” system, in which city banks extended large volumes of credit to industrial conglomerates.
The results were extraordinary. The targeted annual growth rate of 7.2% was surpassed, with the Japanese economy expanding at over 10% annually during the period. GDP grew from US$ 91 billion in 1965 to US$ 1.06 trillion by 1980.
Japan’s economic miracle slowed after the 1973 global oil crisis, when oil prices rose sharply from US$ 3 to US$ 13 per barrel, significantly increasing production costs and triggering a 20% drop in industrial output.
Global Competitiveness: Japan’s Advantage
Evidence of Japan’s structural strengths can be seen in the 2019 World Economic Forum Global Competitiveness Index (GCI), which assessed 141 economies across twelve pillars including institutions, infrastructure, ICT adoption, macroeconomic stability, market size, business dynamism, and innovation capability.
- •Japan ranked 6th globally with a score of 78%, compared to Kenya’s 95th position with a score of 54%.
- •Japan also outperformed Kenya significantly in key components of competitiveness.
- •Business dynamism, which measures entrepreneurial activity and administrative efficiency, saw Japan ranked 17th globally with a score of 75%, while Kenya ranked 51st with 64%.
The first component of business dynamism, administrative efficiency, includes the cost and time required to start a business, insolvency recovery rates, and regulatory frameworks. Japan ranked 2nd globally with a score of 93.1%, compared with Kenya’s 71st position and score of 69.9%.
However, Kenya performed slightly better in entrepreneurial culture, which evaluates attitudes toward risk-taking, willingness to delegate authority, and openness to disruptive innovation. Japan ranked 35th with a score of 56.9%, while Kenya ranked 32nd with 57.9%.
The largest gap between the two economies lies in innovation capability. Japan ranked 7th globally with a score of 78.3%, while Kenya ranked 78th with a score of 36%.
Innovation capability consists of three components:
Interaction and diversity- including workforce diversity, cluster development, international co-inventions, and multi-stakeholder collaboration.
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Japan ranked 26th with 58.9%.
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Kenya ranked 61st with 41.3%.
Research and development- measured by scientific publications, patent applications, R&D spending as a percentage of GDP, and the prominence of research institutions.
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Japan ranked 1st globally with a perfect score of 100%, supported by R&D spending of 3.1% of GDP.
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Kenya ranked 62nd with 27.9%, reflecting R&D spending of only 0.8% of GDP.
Commercialization of innovation, including buyer sophistication and trademark applications.
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Japan ranked 20th with 73.8%.
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Kenya ranked 111th with 43.1%.
These disparities highlight the structural advantages that highly developed industrial ecosystems provide to advanced economies.
The Economic Impact of Keiretsu
Several of Japan’s largest conglomerate groups illustrate the scale and economic influence of this model.
The Mitsubishi Group, founded in 1870 by Yataro Iwasaki, includes around 40 companies with no central controlling parent. Major entities include:
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Mitsubishi UFJ Financial Group
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Mitsubishi Corporation
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Mitsubishi Heavy Industries
Together, Mitsubishi companies generate 7.7% of the total revenue of publicly listed companies in Japan, with group assets exceeding ¥433 trillion.
The Mitsui Group, whose origins date back to 1673, includes firms such as Mitsui & Co., Sumitomo Mitsui Banking Corporation, Toray Industries, Mitsui Chemicals, and Mitsui O.S.K. Lines. A total of 26 Mitsui companies are listed on the Nikkei 225 index.
The Sumitomo Group, founded in 1615, includes companies such as Sumitomo Corporation, NEC Corporation, Sumitomo Chemical, and Sumitomo Electric.
The Toyota Group represents a leading example of a vertical Keiretsu. Founded in 1937 by Kiichiro Toyoda, Toyota produces roughly 10 million vehicles annually, making it the world’s largest automaker.
The Toyota ecosystem includes numerous affiliated companies such as Denso, Aisin, Toyota Boshoku, Toyota Tsusho, and Toyota Industries, as well as hundreds of supplier and logistics firms.
Kenya’s Corporate Anchors
Kenya already has several indigenous corporations capable of evolving into large multinational conglomerates.
Safaricom Plc is the country’s largest indigenous multinational company. As of January 2026, its market capitalization stood at approximately KSh 1.17 trillion (US$ 9.1 billion)- equivalent to about 8.6% of Kenya’s GDP, which the IMF estimates at US$ 136 billion for 2025. The company reported assets of KSh 515.3 billion, revenues of KSh 388.7 billion, and a workforce of 6,777 employees.
Equity Group Holdings Plc had a market capitalization of roughly KSh 261.3 billion as of January 2026. The group employed 13,083 people in 2024, with total income reaching KSh 156.3 billion by September 2025 and assets totaling KSh 1.82 trillion- about 10.4% of Kenya’s GDP.
KCB Group Plc reported a market capitalization of about KSh 215.3 billion, with 12,094 employees in 2024. Revenues reached KSh 149.4 billion as of September 2025, while total assets stood at KSh 2.05 trillion, equivalent to approximately 11.7% of Kenya’s GDP.
A Strategic Opportunity for Kenya
Despite the scale of these firms, Kenya’s largest corporations remain significantly smaller than their Japanese counterparts in terms of assets, revenues, market capitalization, and employment.
This raises a strategic policy question: could Kenya replicate aspects of the Zaibatsu-Keiretsu model by deliberately supporting the growth of its largest indigenous firms?
The government could accelerate the emergence of large Kenyan conglomerates through:
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Strategic government financing
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Policy incentives and targeted subsidies
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Loan guarantees through domestic and international banks
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Support for technology transfer
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Preferential government procurement
Such measures could enable leading Kenyan corporations to diversify across industries, invest in emerging technologies, expand export capacity, and build extensive supplier networks.
If implemented effectively, this strategy could transform Kenya’s industrial landscape- creating powerful corporate anchors that drive innovation, strengthen value chains, and accelerate economic growth.
