From Assets to Strategy.

Leveraging the trust of a Tokyo Stock Exchange Prime Market listed group and our extensive network cultivated through M&A and consulting, we deliver operating leases for high-value assets like aircraft to empower our clients' optimal asset growth strategies.

Aircraft, Marine Vessels, and Helicopters

About About Us

Shaping Corporate Strategy and the Future

Backed by the expertise and network of the Quants Research Institute Holdings group, we specialize in operating leases for high-end assets like aircraft. Our optimal leasing structures are tailored to maximize asset efficiency and enhance financial stability. Rooted in the trust of a listed enterprise and a field-proven consulting mindset, we stand ready to support your high-level business decisions.

About Us

Service Our Services

High-Value Asset Investment.
New Horizons for Corporate Finance.

Our operating leases deliver strategic asset management schemes centered on high-end assets like aircraft. This investment model enables the execution of optimized financial strategies tailored to your corporate financial planning. We leverage our listed group’s reliability and professional insights to drive our clients’ growth strategies.

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News News

2026.01.05: We have completed our registration as a Type II Financial Instruments Business.

2026.01.05: We have completed our registration as a Type II Financial Instruments Business.

2026.01.05: Notice of Admission to the Type II Financial Instruments Firms Association.

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Message from the Representative Director

Yu Nakanishi

Representative Director

BIOGRAPHY
2007 Joined SBI Holdings, Inc.
2007 Transferred to SBI Mortgage Co., Ltd. (currently SBI ARUHI Corporation)
2015 Transferred to SBI MONEY PLAZA Co., Ltd., appointed as Manager of the Corporate Planning Department
2017 Joined Renewables Japan Co., Ltd., appointed as Deputy General Manager of the Strategic Business Department
2018 Joined Japan Investment Adviser Co., Ltd., appointed as Deputy General Manager of the PE Fund Business Department
2019 Joined SBI Leasing Services Co., Ltd., appointed as Assistant General Manager of the Aircraft Business Department
2025 Joined Souken Leasing Inc., appointed as Representative Director

Souken Leasing was established to leverage the Quant Research HD Group’s strong SME network and meet broad executive needs beyond M&A advisory. For our long-supported clients and profitable companies, we provide ongoing solutions for tax management, financial strengthening, and efficient surplus fund utilization.

Through Japanese Operating Leases (JOLCO) using aircraft and vessels, we support effective diversification and long-term asset formation for business stability. As an agile later entrant, we develop attractive products through corporate alliances, maximize efficiency via IT/DX, and contribute to the sustainable growth of SMEs as their best partner.

By collaborating with diverse companies, we will expand our product line and services to deliver highly convenient solutions for our clients.

Corporate Profile

Company Name: Souken Leasing Inc.
Business: Operating lease business
Representative Directors: Shunsaku Sagami / Yu Nakanishi
Established: January 30, 2025
Capital: 150 million yen
Shareholders: Quants Research Institute Holdings, Inc. (TSE Prime Market, Ticker: 9552) 100%
Address: 18F, Marunouchi Trust Tower N, 1-8-1 Marunouchi, Chiyoda-ku, Tokyo

CONTACT Contact

Discover how we can support your business through operating leases, tax strategies, and enhanced cash flow. Contact us today for a consultation.

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