What リンクシェア・ジャパン株式会社 does

LinkShare Japan K.K. (リンクシェア・ジャパン株式会社) is a Tokyo-based performance marketing company and a wholly-owned subsidiary of Rakuten Group (楽天グループ), operating as a legal entity with 8 disclosed employees and headquarters in Setagaya, Tokyo. The company self-describes as 'domestic largest-scale performance marketing company' (国内最大級) and operates a five-product platform: LinkShare Affiliate (an affiliate advertising platform supporting major Japanese EC operators including Rakuten Group), Programmatic Advertising (Rakuten SQREEM — leveraging Rakuten's proprietary data assets for high-efficiency ad operations), LINKSHARE REVO (a managed influencer marketing service provided by a Rakuten Group specialized company), LinkSurge (an SEO/AIO/GEO/LLMO integrated analysis tool for AI-era brand visibility and citation analysis with article rewriting capabilities), and IntelligentReach (a verification-based Data Feed Optimization service exclusively provided in Japan through a partnership with the UK's Intelligent Reach).

The company serves enterprise clients across diverse verticals including cosmetics (Shiseido Online Store), food and beverage (Ajinomoto), electronics retail (Bic Camera), fashion (PAL CLOSET, Onward Closet), and e-commerce marketplaces (au PAY Market). Case studies disclose quantifiable outcomes such as +20% YoY affiliate sales growth (Shiseido), approximately doubled new customer conversions and halved new customer acquisition cost (PAL CLOSET), and 2.8x sales following ASP platform migration (au PAY Market). Pricing is quote-based and not publicly disclosed, with a B2B direct sales motion targeting enterprise buyers.

The business model combines multiple revenue streams: performance-based affiliate (transaction fees), programmatic advertising (ad delivery and performance), influencer marketing (managed services), and AI/SEO tools (subscription or SaaS-style recurring). LinkShare Japan markets itself as a 'one-stop performance marketing partner' under the Rakuten brand umbrella, leveraging its parent's data assets, brand credibility, and global Rakuten Advertising network. The company is privately held by Rakuten Group, has no public listing, no disclosed funding rounds, and no disclosed revenue. Recent operational activity in 2026 — including Premier partner status in the LINE Yahoo Partner Program, new advertiser onboarding (OLIVE YOUNG), and active thought-leadership positioning on AI-era managed advertising — supports an active, product-expanding operating posture.

Name

リンクシェア・ジャパン株式会社

Legal name

LinkShare Japan K.K.

Website

https://jp.linkshare.com

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

LinkShare Japan K.K. is a Rakuten Group subsidiary that operates a five-product performance marketing platform — affiliate, programmatic, influencer (LINKSHARE REVO), AI-search optimization (LinkSurge), and data feed optimization (IntelligentReach) — serving enterprise clients across Japanese e-commerce, cosmetics, food, fashion, and electronics retail.

Ownership category

akta.pro rank

Product category

Performance Marketing Services

SIC

Services-Advertising Agencies (7311)

akta.pro primary industry

Lead Generation & Performance Media (B2B/B2C) (MPAAACAK)

Keywords

• Performance marketing
• Affiliate advertising
• Programmatic advertising
• Influencer marketing
• SEO analytics

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations

Revenue model

1. Affiliate Advertising: Performance-based marketing where advertisers pay for actual conversions or leads generated through the affiliate network. The platform connects advertisers with publishers to drive customer acquisition.
2. Programmatic Advertising: Automated advertising operations using Rakuten Group's data assets, with pricing based on ad delivery and performance metrics.
3. Influencer Marketing: Managed influencer marketing services under LINKSHARE REVO brand, with fees based on campaign execution and performance outcomes.
4. SEO/AI Optimization Tools: LinkSurge tool providing AI-powered brand visibility and citation analysis services.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

LinkShare Japan is a B2B performance marketing company that sells affiliate advertising, programmatic advertising, influencer marketing, AI-powered SEO/brand visibility analysis (LinkSurge), and data feed optimization (IntelligentReach) services to large e-commerce operators and enterprise brands in Japan, leveraging Rakuten Group's proprietary data assets.

Product overview

LinkShare Japan operates as a performance marketing company offering a multi-service platform architecture with five distinct core products: LinkShare Affiliate (affiliate advertising), Programmatic Advertising, LINKSHARE REVO (influencer marketing), LinkSurge (SEO/AIO/GEO/LLMO AI search optimization), and IntelligentReach (data feed optimization - exclusively available in Japan). These services leverage Rakuten Group's data assets and are designed to address diverse client business challenges through performance-based marketing across all channels.

Differentiator

Problem solved

Functional benefit

Brands

• LINKSHARE REVO: Influencer marketing service operated by Rakuten Group's specialized company
• LinkSurge
• IntelligentReach

Products and services

• LinkShare Affiliate (リンクシェア アフィリエイト)
• Programmatic Advertising (Rakuten SQREEM)
• LINKSHARE REVO (Influencer Marketing)
• LinkSurge (SEO/AIO/GEO/LLMO Analysis)
• IntelligentReach (Data Feed Optimization)

Quantifiable outcome

• Affiliate sales growth of over 20% YoY achieved for Shiseido Online Store
• +3 more outcomes

Named customers6 records

Segments2 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature5 records

Partnerships

Three partnerships are on record, tiered core and flagship.

• LINE雅虎株式会社 (LINE Yahoo Corporation)coreStrategic or Co-development Partner · 1 January 2026LinkShare Japan maintains Premier partner status in the LINE Yahoo Partner Program for 2026, indicating a strategic partnership for advertising and marketing collaboration with LINE Yahoo's platform ecosystem.
• Intelligent Reach (英国)coreTechnology or IntegrationExclusive partnership providing IntelligentReach's data feed optimization technology to the Japanese market. LinkShare Japan serves as the exclusive domestic provider of this verification-based data feed improvement management service.
• 楽天グループ株式会社 (Rakuten Group, Inc.)flagshipStrategic or Co-development PartnerParent company relationship providing access to Rakuten Group's proprietary data assets, brand credibility, and integrated service ecosystem including Rakuten SQREEM programmatic advertising technology and LINKSHARE REVO influencer marketing services.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Emerging players

• Semrush: Semrush is a global SEO and AI search visibility platform that overlaps with LinkShare's LinkSurge product (AIO/GEO/LLMO). While not a direct competitor in Japan yet, it represents the category leader that LinkSurge must compete with as AI search optimization matures.
• Ahrefs: Ahrefs is a global SEO and content marketing platform comparable to LinkShare's LinkSurge tool. It competes for the same enterprise marketing budgets focused on organic search visibility and AI-era brand optimization.

Direct peers

• A8.net (Fan Communications): A8.net is the dominant affiliate advertising platform in Japan, operated by Fan Communications. It directly competes with LinkShare Affiliate for advertisers and publishers across the Japanese performance marketing ecosystem.
• ValueCommerce Co., Ltd. ValueCommerce is one of Japan's largest affiliate marketing networks and a direct competitor to LinkShare Japan's core affiliate business. Both serve enterprise advertisers with performance-based marketing solutions in the Japanese market.
• Zucks Affiliate (Zucks): Zucks Affiliate is a Japanese affiliate network owned by FreakOut Holdings. It competes directly with LinkShare Affiliate for performance marketing spend, particularly in mobile and app-focused campaigns.
• i-mobile Co., Ltd. i-mobile operates a digital advertising platform in Japan with affiliate and programmatic offerings. It is a direct competitor across LinkShare's performance marketing service lines targeting Japanese enterprise advertisers.
• Octopus (Octens): Octopus by Octens is a Japanese affiliate marketing platform offering performance-based advertising solutions to enterprise advertisers. It directly competes with LinkShare Affiliate in the Japanese affiliate space.
• Rakuten Advertising (Global): Rakuten Advertising is the global advertising arm of Rakuten Group and LinkShare Japan's sister organization. While LinkShare covers Japan, Rakuten Advertising serves global markets with overlapping affiliate and programmatic offerings, making them closely comparable business units.

Broad incumbents

• Google Ads Japan: Google Ads dominates performance marketing budgets in Japan with its search and programmatic stack. It is a broad incumbent that competes with LinkShare's programmatic and affiliate offerings for enterprise advertising spend.
• LINE Yahoo Corporation (Ads Division): LINE Yahoo operates one of Japan's largest advertising platforms via Yahoo! JAPAN and LINE. As LinkShare's Premier partner, LINE Yahoo is both a distribution channel and a broad incumbent whose owned-and-operated ad stack competes with LinkShare's programmatic offering.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key highlights7 records

Customer concentration

• Xx.com/linksharejapan
• LinkedInlinkedin.com/company/%E3%83%AA%E3%83%B3%E3%82%AF%E3%82%B7%E3%82%A7%E3%82%A2%E3%83%BB%E3%82%B8%E3%83%A3%E3%83%91%E3%83%B3%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BE

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

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 リンクシェア・ジャパン株式会社