コスモ石油株式会社

What コスモ石油株式会社 does

Cosmo Energy Holdings Co., Ltd. (コスモエネルギーホールディングス株式会社) is a Japanese integrated energy holding company whose core subsidiary Cosmo Oil Company (コスモ石油株式会社) operates petroleum refining (including the Sakai refinery) and a nationwide service station (gas station) network selling gasoline, diesel, kerosene, and heavy oil to individual drivers and commercial fleet operators. The group has diversified its revenue base beyond traditional petroleum by adding wind power generation (via Cosmo Eco Power), Sustainable Aviation Fuel (SAF) initiatives, a retail electricity brand (Cosmo Denki) sold through a digital sign-up flow, and a Corporate PPA program targeting enterprises seeking renewable energy procurement for carbon neutrality.

Consumer-facing operations have been expanded into an integrated mobility and energy ecosystem that includes car leasing (Cosmo My Car Lease), car sharing (Yasashii Carshare), vehicle inspection (Komitto Shaken), a proprietary official app, and co-branded card programs (Cosmo Card, Cosmo Card Opus with Aeon). Revenue is generated through transaction fees on fuel and card interchange, recurring electricity subscriptions, long-term renewable energy PPAs, and recurring or one-time mobility service fees. The group operates exclusively in Japan (domestic geographic scope) and supports its activities through sustainability programs such as the COSMO Eco Fund, J-Credit–registered forest conservation in Chiba Prefecture, and the integrated annual report (Cosmo Report 2025). Recent technology initiatives include a quadruped-robot Proof of Concept at the Sakai Refinery for autonomous equipment inspection and a joint demonstration with NSK on wind turbine bearing lubrication monitoring.

Name

コスモ石油株式会社

Legal name

COSMO ENERGY HOLDINGS Co., Ltd.

Website

https://coc.cosmo-oil.co.jp

Company type

Public

Operating status

Operating

Headcount range

11–50 employees

Short description

Cosmo Energy Holdings is a major Japanese integrated energy company operating a nationwide service station network, petroleum refining, wind power generation, retail electricity (Cosmo Denki), and consumer mobility services including car leasing, car sharing, and vehicle inspection.

Ownership category

akta.pro rank

Product category

Petroleum Refining and Marketing

NAICS

Petroleum Refineries (32411), Gasoline Stations and Fuel Dealers (457), Petroleum Bulk Stations and Terminals (424710)

SIC

Petroleum Refining (2911), Electric Services (4911)

akta.pro primary industry

Conversion Refineries (FCC/Hydrocracking/Coking) (EUALAGAB)

akta.pro secondary industries

Non-Fuel Retail & Ancillary Forecourt Services (Car Wash, Auto Care, ATM/Lottery, Parcel Lockers) (EUALAIAJ), Aviation Fuel Marketing (Into-Plane, Airport Fueling) (EUALAIAH), Hydrogen & Derivative Fuels for Industry (H₂, Ammonia, Methanol) (EUABAJAC), Branded Fuels Wholesaling & Jobber Distribution (EUALAIAB)

Keywords

• Petroleum refining marketing
• Service station operations
• Retail electricity supply
• Wind power generation
• Sustainable aviation fuel

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Infrastructure, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Petroleum products (refining and marketing): Refining and sale of petroleum products (gasoline, diesel, kerosene, heavy oil) through an extensive network of service stations (SS) across Japan. This is the core revenue driver, with stable recurring consumption from individual drivers and commercial fleet operators.
2. Electricity sales (コスモでんき): Retail electricity supply to households and businesses under the Cosmo Denki brand. Offers competitive pricing with a simple digital application process (as short as 3 minutes via smartphone). Revenue is recurring based on consumption.
3. Renewable energy (wind power) generation: Generation and sale of electricity from wind power and other renewable sources. Operated through group companies such as Cosmo Eco Power. Revenue from long-term power purchase agreements and energy sales to the grid.
4. Mobility services (car leasing, car sharing, inspection): Car leasing (MY Car Lease), car sharing (やさしいカーシェア), and vehicle inspection (コミっと車検) services. These are value-added services bundled with fuel and electricity offerings, generating recurring or one-time fees.
5. Card programs (コスモカード): Branded payment and loyalty cards (Cosmo Card, Cosmo Card Opus co-branded with Aeon's ion card) that generate transaction interchange revenue and deepen customer lock-in across the service ecosystem.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

Cosmo Oil Co., Ltd. is the core petroleum refining and marketing subsidiary of Cosmo Energy Holdings Co., Ltd., refining crude oil into gasoline, diesel, kerosene, and heavy oil, and distributing these products through an extensive owned service station (gas station) network across Japan. Beyond petroleum, the group sells retail electricity under Cosmo Denki, generates wind power through Cosmo Eco Power, develops Sustainable Aviation Fuel (SAF), operates corporate PPA programs, and offers bundled mobility services including car leasing (Cosmo MY Car Lease), car sharing (Yasashii Carshare), vehicle inspection (Komitto Shaken), and a co-branded card with Aeon.

Product overview

Cosmo Energy Holdings Co., Ltd. is an energy conglomerate operating a diversified portfolio of products and services. The core business centers on petroleum refining and marketing through its service station network, supplemented by renewable energy initiatives including SAF (Sustainable Aviation Fuel), Corporate PPA programs, and wind power generation. Consumer-facing offerings include car leasing, carsharing, vehicle inspection services, electricity provision (Cosmo Denki), and co-branded card programs. The group also operates an official smartphone app for service management and supports environmental activities through the COSMO Eco Fund. The portfolio represents an integrated energy and mobility ecosystem spanning B2B and B2C segments.

Differentiator

Problem solved

Functional benefit

Brands

• コスモ石油 (Cosmo Oil): Petroleum products and fuel sales business
• コスモでんき (Cosmo Electricity)
• コスモ MY カーリース (Cosmo My Car Lease)
• コミっと車検
• やさしいカーシェア (Yasashii Carshare)
• COSMOエコ基金 (Cosmo Eco Fund)
• COSMO SAF (Sustainable Aviation Fuel)

Products and services

• Service Stations (Petroleum Retail) Owned and operated network of gas stations across Japan selling petroleum products (gasoline, diesel, kerosene, heavy oil) with safety measures and latest environmental technologies, serving individual drivers and commercial fleet operators.
• Cosmo Denki (Retail Electricity) Retail electricity supply service by Cosmo Energy Group, marketed as reliable quality and savings, targeting household and small business consumers; signup can be completed in roughly three minutes via smartphone.
• Cosmo MY Car Lease Automobile leasing service provided by the Cosmo Energy Group for individual customers' car lifecycle needs from acquisition to disposal.
• Yasashii Carshare Carsharing service offering easy and accessible vehicle sharing for individuals seeking short-term vehicle access without ownership.
• Komitto Shaken (Vehicle Inspection) Vehicle inspection (shaken) service provided by Cosmo for regular legal compliance for consumer vehicles.
• Cosmo Card (Cosmo The Card Opus co-branded with Aeon ion card) Branded payment and loyalty card services (including Cosmo The Card Opus co-branded with Aeon ion card) that allow holders to participate in eco-activities simply by possessing the card and that deepen customer lock-in across the service ecosystem.
• Corporate PPA (Corporate Power Purchase Agreement) Corporate Power Purchase Agreement program enabling corporate customers to source renewable energy as part of their carbon neutrality strategies, supplied through direct enterprise sales.
• Cosmo SAF (Sustainable Aviation Fuel) Sustainable Aviation Fuel initiatives by the Cosmo Energy Group to provide cleaner aviation fuel options and contribute to carbon neutrality in the aviation sector.

Quantifiable outcome

• Sustainable aviation fuel (SAF) production contributing to aviation sector carbon reduction
• +1 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature4 records

Partnerships

Two partnerships are on record, tiered core and notable.

• 日本精工株式会社 (NSK Ltd. / Nippon Seiko K.K.)coreTechnology or Integration · 1 July 2026Cosmo Eco Power and NSK entered a joint technology demonstration for monitoring lubrication status of bearings in wind power generation equipment in real-machine operating environments. The collaboration aims to accelerate advancement in operation and maintenance of wind power facilities, supporting long-term stable operations and equipment longevity.
• Chiba Prefecture (千葉県)notableStrategic or Co-development Partner · 30 June 2026Cosmo Energy Holdings signed a partnership agreement with Chiba Prefecture to promote forest conservation and decarbonization. The '未来へ紡ぐ豊かな鴨川の森づくり' (Kamogawa Forest Creation Project) was registered under the J-Credit system, contributing to carbon offset and regional environmental preservation.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• ENEOS Holdings: Japan's largest integrated petroleum group, with refining, nationwide service stations, electricity retail, and emerging EV charging/SAF/hydrogen initiatives. Direct domestic competitor to Cosmo across every core business line.
• Idemitsu Kosan: Major Japanese integrated petroleum company operating refining, fuel retail, lubricants, and renewable energy businesses. Closely comparable to Cosmo in scale, product mix, and energy-transition strategy.
• Showa Shell Sekiyu (legacy): Historical Japanese fuel retailer/refiner now consolidated into ENEOS; relevant as a reference point for Japanese branded fuel retail and service-station economics similar to Cosmo's network.
• Taiyo Oil: Japanese petroleum refiner and marketer with refining and fuel distribution operations. A direct domestic competitor at smaller scale, comparable in core refining-and-marketing activities.

Broad incumbents

• ExxonMobil: Global integrated supermajor with refining, branded retail, and growing investments in biofuels, SAF, hydrogen, and carbon capture. Comparable on integrated petroleum model and energy-transition investments, but at vastly larger scale.
• TotalEnergies: Global integrated energy company with refining, retail, electricity, and aggressive renewables/SAF expansion. Comparable as an integrated downstream + new-energy model, though global in scale.
• Shell: Global integrated energy major with downstream retail, refining, and a leading SAF/renewables strategy. Comparable to Cosmo on integrated energy + mobility retail model and transition investments.
• JX Nippon Oil & Gas Exploration: Japanese upstream and integrated energy player under ENEOS group, with broader portfolio scope. Comparable as a domestic incumbent in Japan's energy ecosystem, though not directly overlapping Cosmo's retail/mobility focus.

Emerging players

• Neste: Global leader in renewable diesel and SAF production. Comparable as a reference peer for Cosmo's emerging SAF business and as a benchmark for refining-to-renewables transition execution.

Regional players

• SK Innovation / SK Energy: Korean integrated petroleum and battery materials company with refining, retail, and significant renewable/SAF investments. Comparable integrated downstream + energy-transition model in a regional Asian market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/%E3%82%B3%E3%82%B9%E3%83%A2%E7%9F%B3%E6%B2%B9%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BE

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about コスモ石油株式会社