Credit Saison
Japanese financial services company known for Saison credit cards and a broad portfolio of consumer finance, leasing, guarantees, and related services.
Last updated August 21, 2026
Overview
Credit Saison Co., Ltd. is a Japanese financial services company whose best-known consumer brand is Saison Card. The company traces its origins to Midoriya, a department-store operator established in 1946 by Torajiro Okamoto with a business model centered on installment selling. Its later transformation was shaped by the retail and financial restructuring of the Seibu and Saison groups. In 1976, Seibu Retailing acquired Midoriya in an effort to add financial services to its retail portfolio. Midoriya's retail operations were transferred to Seibu Department Stores, while the remaining credit-management business was renamed Seibu Credit. Seibu Credit issued the first Saison Card in 1983. The card helped connect the company's financial activity with the customer bases of businesses associated with the Seibu and Saison groups. In 1989, Seibu Credit adopted the Credit Saison name. The company subsequently developed beyond a captive retail-finance operation and became a broad financial-services provider, offering card-based payments, consumer lending, leasing, credit guarantees, and related agency and settlement services. The collapse of Japan's asset-price bubble in the 1990s created severe pressure for the wider Saison Group. Group founder and longtime leader Seiji Tsutsumi left management in 1991, and creditor banks pushed the group toward restructuring. Credit Saison gradually separated from the group's other retail businesses and formed a strategic relationship with major Japanese banking institutions, including entities that later became part of Mizuho Financial Group. This relationship supported the company's expansion into bank-linked cards and other financial products while leaving Credit Saison as a separately listed company. Saison Card is issued on several international card networks, including Visa, Mastercard, JCB, and American Express, depending on the product. The portfolio has included standard cards, premium cards, bank-linked cash-card combinations, co-branded cards for commercial partners, and cards connected with retail, transportation, and lifestyle services. Historically associated partners and customer communities have included Seibu Railway, Seiyu, Parco, and MUJI, although corporate relationships and ownership structures have changed over time. Credit Saison has also issued cards for organizations outside the former Saison retail group. Beyond cards, the company operates in consumer finance, specialty lending, leasing, credit guarantees, and agency services. Its business model combines payment infrastructure, revolving and cash-credit products, merchant and partner relationships, and financial services distributed through corporate alliances. Credit Saison is commonly described as one of Japan's major card issuers, with the reference material identifying more than 20 million cardholders in Japan and placing it among the country's largest issuers. Current product details, customer numbers, and business mix can change by fiscal period and should be checked against the company's latest disclosures.
History
Credit Saison's roots lie in Midoriya, founded in 1946 by Torajiro Okamoto as a department-store business specializing in installment selling. Installment finance gave the retailer a way to broaden access to consumer purchases while building recurring relationships with customers. The company later became part of the Seibu retail sphere. In 1976, Seibu Retailing acquired Midoriya as it sought to add financial services to its portfolio. The retail division was transferred to Seibu Department Stores, and the residual credit-management business was renamed Seibu Credit. The corporate setting changed again in 1983 when Seibu Railway separated Seibu Retailing, which was subsequently associated with the Saison Group identity. That same year, Seibu Credit issued the first Saison Card. The card became an important bridge between retail customers and financial services, and its distribution benefited from relationships with companies linked to the Seibu and Saison businesses. In 1989, Seibu Credit changed its name to Credit Saison, marking the emergence of a financial-services company distinct from the group's department-store operations. Credit Saison's development coincided with the rapid expansion and later contraction of Japan's financial and property markets. After the asset-price bubble collapsed in the 1990s, the wider Saison Group encountered serious financial difficulties. Seiji Tsutsumi, its longtime president, left management in 1991. Creditor banks, including institutions that would later be associated with Mizuho Financial Group, pushed the group toward a reorganization of its businesses and finances. Credit Saison increasingly separated itself from the group's other retail companies rather than remaining solely a finance arm for affiliated stores. In the early 2000s, Credit Saison formed an alliance with Mizuho-affiliated banking institutions. The relationship helped the company participate in bank-linked card products and broaden its distribution beyond the original Seibu customer base. Credit Saison also developed cards for outside partners and maintained card products operating on Visa, Mastercard, JCB, and American Express networks. The company's historical network included relationships involving Seibu Railway, Seiyu, Parco, MUJI, and other retail or service organizations. These relationships have not all remained unchanged as ownership and group structures evolved. The modern Credit Saison business is broader than card issuance. It includes credit-card shopping services, cash advances, specialty loans, leasing, credit guarantees, agency services, and related consumer-finance activities. Its portfolio includes standard cards as well as premium, co-branded, partner, and bank-linked products. In Japan, the company is recognized as one of the largest credit-card issuers, and the reference material describes a customer base exceeding 20 million cardholders. The company remains publicly listed under ticker 8253 on the Tokyo Stock Exchange. Because products, partnerships, cardholder counts, and the exact contribution of each business change over time, current operating information should be confirmed through Credit Saison's corporate disclosures.
- 2000Alliance with Mizuho-affiliated institutions
Credit Saison forms a banking alliance during the reorganization of the former Saison businesses, strengthening its position in bank-linked financial services.
- 1991Saison Group restructuring begins
The post-bubble financial crisis affects the wider Saison Group, leading to a management change and pressure from creditor banks for restructuring.
- 1989Seibu Credit becomes Credit Saison
The company adopts the Credit Saison name while remaining one of the principal businesses associated with the Saison Group.
- 1983The first Saison Card is issued
Seibu Credit launches the first Saison Card, creating the card brand that becomes central to the company's identity.
- 1976Seibu Retailing acquires Midoriya
Seibu Retailing purchases Midoriya and separates its retail operations from the credit-management business.
- 1946Midoriya is founded
Torajiro Okamoto establishes Midoriya as a department-store operator specializing in installment selling, providing the historical origin of Credit Saison.
Products and positioning
A major Japanese consumer-finance and payments company combining a broad credit-card franchise with lending, leasing, guarantees, and financial-partner services.
SAISON CARDCredit cards1983
SAISON CARD is Credit Saison's core consumer card brand. The portfolio has included cards issued on Visa, Mastercard, JCB, and American Express networks. Products range from standard cards to premium and partner variants, with some cards linked to retail, transportation, banking, or lifestyle organizations. The brand originated with the first card issued by Seibu Credit in 1983 and subsequently expanded beyond the former Seibu and Saison retail base.
Bank-linked Saison cardsBanking and payment cards
Credit Saison has issued products that combine cash-card functionality with Saison Card credit features through relationships with banks, including Mizuho-affiliated institutions. These products connect deposit-account access and payment credit within a single customer relationship, although specific product names and availability vary by issuing institution and period.
Consumer finance and cash advancesConsumer finance
The company provides consumer-finance services associated with its card and broader financial-services operations. Activities described in reference material include cash advances and specialty loans, giving customers access to revolving or purpose-oriented credit in addition to payment functionality.
Leasing and credit guaranteesCommercial and financial services
Credit Saison's non-card activities include leasing, credit guarantees, and agency services. These businesses extend the company beyond direct card lending into financing, risk-support, and distribution services delivered through corporate and financial-sector relationships.
Flagship businesses
- SAISON CARD
- Visa, Mastercard, JCB, and American Express card products
- Bank-linked cash-card and Saison Card products
- Partner and co-branded Saison cards
Brand decisions
- 2000Build an alliance with Mizuho-affiliated banksStrategy
The former Saison Group was being reorganized after the financial stress that followed Japan's asset-price collapse.
What changed. Credit Saison separated from other retail businesses and formed a strategic relationship with banking institutions that later became part of Mizuho Financial Group.
Aftermath. The alliance supported bank-linked card issuance and helped Credit Saison develop as a diversified financial-services company rather than only a retail-affiliated card issuer.
- 1989Adopt the Credit Saison corporate nameStrategy
The credit business had become a significant standalone financial-services operation within the Saison Group.
What changed. Seibu Credit changed its corporate name to Credit Saison.
Aftermath. The new name consolidated the company's identity around financial services and the Saison brand.
- 1983Launch the first Saison CardProduct launch
Seibu Credit was developing financial services for customers connected with the Seibu and emerging Saison retail networks.
What changed. The company issued the first Saison Card.
Aftermath. Saison Card became the company's principal consumer-facing brand and later expanded through network, bank, retail, and commercial partnerships.
- 1976Acquire Midoriya and separate retail from credit operationsM&A
Seibu Retailing sought to add financial services to its retail portfolio through the acquisition of Midoriya.
What changed. Midoriya's retailing division was transferred to Seibu Department Stores, while the remaining credit-management operation continued as Seibu Credit.
Aftermath. The transaction established the organizational foundation for the later Saison Card and Credit Saison businesses.
Recent events
- 2000Credit Saison strengthens its relationship with Mizuho-affiliated banks
During the restructuring of the former Saison businesses, Credit Saison separated from other retail operations and formed an alliance with banking institutions that later became part of Mizuho Financial Group.
M&A - 1991Saison Group enters restructuring after the asset-price bubble
The collapse of Japan's asset-price bubble placed the wider Saison Group under financial pressure. Seiji Tsutsumi was removed from management, and creditor banks pressed the group to restructure.
OtherLeadership change - 1989Seibu Credit adopts the Credit Saison name
Seibu Credit changed its name to Credit Saison as the financial company became one of the core businesses associated with the Saison Group.
Other - 1983First Saison Card is issued
Seibu Credit introduced the first Saison Card, establishing the card franchise that later became the company's principal consumer-facing brand.
Product launch - 1976Midoriya is acquired by Seibu Retailing
Seibu Retailing acquired Midoriya to strengthen the financial-services component of its retail portfolio. Midoriya's retail operations were transferred to Seibu Department Stores, while the credit-management business continued under a new structure.
M&A
Sources
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