Top 10 Advertising Agencies in Japan
Japan is one of the largest economies in the world and has tremendous market potential.
However, the Japanese market has its own rules and customs.
If your company wants to enter or successfully market in Japan, the cooperation of a Japanese advertising agency, which I will mention now, is essential.
These agencies maintain local networks and partnerships that allow them to quickly introduce your products and services to the market. They also have professional staff who are familiar with the local language and culture, which ensures that your advertising and promotions are appropriate and effective.
In addition, the agency understands the Japanese people well and can provide the right approach for your business. In addition, Japanese consumers tend to place a premium on reliability and brand history, and a campaign conducted through an agency can help build local trust.
In general, using a marketing agency can minimize risk and ensure an effective and sustainable entry into the Japanese market.
For this issue, we have selected the top 10 Japanese advertising agencies with strengths in a variety of marketing disciplines. Use this carefully selected list to grow and promote your business in Japan.
The 10 Best Advertising Agencies Japan 2024
1.hotice
Service: Influencer Marketing
https://hotice.jp/
hotice is a company specializing in influencer marketing across Japan and other Asian countries.
With a network of over 5,000 influencers active on major platforms such as YouTube, Instagram, Twitter, and TikTok, we are able to connect each brand or service with the most relevant creators based on their specific goals and industry needs.
Our support goes beyond influencer casting — we provide end-to-end solutions, from campaign planning and execution to in-depth performance analysis, enabling brands to drive both brand awareness and tangible sales growth.
In addition to influencer marketing, hotice provides a full range of digital marketing services, including social media management, consulting, ad operations, and video editing.
Our team of specialists designs data-driven strategies based on the latest trends, helping brands maximize their appeal and online presence.
hotice is staffed by a diverse, multinational team with both global perspectives and deep understanding of local markets.
With native English speakers on our team, we ensure smooth communication and localized strategies that bridge cultural and linguistic gaps for international clients.Backed by extensive experience working with well-known global and domestic brands, hotice offers reliable, strategic support that delivers results.
For companies seeking to enter or expand in the Japanese and Asian markets, hotice is a trusted marketing partner ready to help you succeed.
2.O’z
Service:Mid-sized advertising agency
https://enz-inc.jp
O’z is a comprehensive agency specializing in “sales promotion and brand awareness” across Japan and the Asian market.
With a network of over 1,000 in-house models and talents, and strong connections with talent agencies, O’z delivers fast, cost-effective casting solutions.
The company excels not only in digital marketing but also in on-site promotions for businesses operating physical stores, combining online and offline strategies seamlessly.
Unlike typical agencies, O’z takes a hands-on approach—analyzing regional characteristics and consumer behavior through both data and real-world experience.
Their integrated framework covering everything from casting to creative production and event management is rare even within Japan.
O’z is also home to multilingual staff capable of supporting global brands entering the Japanese market.
Having worked across various industries, including fashion, cosmetics, and food, the agency manages over 300 social media campaigns annually.
What sets O’z apart is not only its numbers but the authentic energy and commitment behind every project, ensuring tangible results for clients.
3.tete marche
Service:SNS Marketing
https://tetemarche.co.jp/
tete marche is a company that builds success through the dual pillars of data analytics and creativity, focusing on SNS operation support and brand production.
With its own in-house research institute and proprietary data analysis tools, the company has accumulated experience managing thousands of social media accounts and campaigns.
As Japan’s data analytics market has grown to around ¥600 billion (approx. USD 4.3 billion), tete marche stands out as one of the few agencies effectively combining “data × emotion” in practice.
What distinguishes tete marche is its ability to design brand empathy, not just social media operations.
By drawing on consumer insights revealed through data, the company helps brands build experiences that naturally encourage participation and sharing.
Many clients have reported measurable improvements in engagement and operational efficiency, especially those struggling with limited internal resources or know-how.Beyond being a marketing company, tete marche positions itself as a true brand partner.
Using consumer data accumulated through SNS marketing, it merges strategic planning with communication design to foster a new kind of trust between brands and their audiences.
The result is not merely follower growth, but the creation of brands that are genuinely loved—shared and resonated with by consumers.
4.Toridori Marketing
Service: Influencer Marketing
https://top-marketing.toridori.me/
Toridori Marketing operates one of Japan’s largest influencer-marketing platforms, with over 80,000 registered influencers and more than 1 million completed campaigns. It has already established itself as an accessible PR infrastructure for brands of all sizes.
Its biggest strengths lie in affordability and compliance. Starting from just ¥50,000 per month, Toridori offers companies a low-risk, easy entry point into influencer marketing while maintaining full legal compliance with Japan’s Act against Unjustifiable Premiums and Misleading Representations and the Pharmaceuticals and Medical Devices Act.
The sister service “toridori likes” focuses on Instagram operations—covering everything from strategic planning to performance analysis—and emphasizes long-term brand growth through authentic fan engagement.
From an analytical perspective, Toridori’s core advantage lies in its unique balance between scale and reliability.
It combines a massive influencer network and streamlined systems with transparent, law-compliant operations. For startups and global brands alike, it provides a safe, sustainable foundation to launch, manage, and continuously optimize influencer marketing campaigns in the Japanese market.
5.3minute
Service:Influencer Marketing
https://snsmarketing.3minute-inc.com/
3minute is a Japanese company that provides comprehensive support for social media marketing.
Its services cover the entire process—from strategic planning and content creation to live streaming support, data analysis, and influencer casting—all in one place.
The company has worked with major brands such as Kao, Marui Group, Rohto Pharmaceutical, Kracie, Lumine, ORBIS, and coen, earning strong trust across industries.
3minute has also achieved measurable results.
For example, The Kahala Hotel & Resort Yokohama gained about 13,000 followers on Facebook within six months of ad management.
For the apparel brand coen, the company helped improve engagement rate and reach for an account with over 100,000 followers.Its experienced team of video creators, art directors, and photographers delivers high-quality, data-driven creative output.
By integrating analytics and design, 3minute balances speed, quality, and legal compliance with Japan’s advertising regulations.
With a unique ability to connect data-driven insights with creative storytelling, 3minute stands out as a reliable partner for brands looking to accelerate their growth in Japan’s dynamic social media landscape.
6.Cyber Agent
Service: Major digital advertising agency
https://www.cyberagent.co.jp/
CyberAgent is one of Japan’s leading integrated internet companies, growing across three core businesses: advertising, media, and gaming.
With over 7,700 employees, the company operates a diverse group structure spanning multiple digital domains.
Its advertising division has continued to expand steadily since its early days, now serving a wide range of major clients in Japan.
Leveraging advanced technologies such as AI-driven optimization and 3DCG-based creative production, CyberAgent delivers high-precision advertising operations.
Beyond advertising sales, it is also expanding into new areas such as digital transformation (DX) support and AI development.
What sets CyberAgent apart is its vertically integrated approach, combining proprietary media, data, and technology to maximize advertising effectiveness while minimizing risk.
The company applies its accumulated data and technical expertise to initiatives such as its AI business “Kyokuyosoku AI” and video streaming platform “ABEMA,” strengthening its overall group competitiveness.
By uniting strategic digital planning with cutting-edge technology, CyberAgent continues to evolve beyond the framework of a traditional advertising agency—positioning itself as a true digital production company driving innovation in Japan’s digital economy.
7.Dentsu Digital
Service: Major digital advertising agency
https://www.dentsudigital.co.jp/
Dentsu Digital serves as the core digital arm of the Dentsu Group, supporting corporate digital transformation (DX) and marketing strategy development.
With four key domains—Transformation, Creative, Communication, and Global—the company provides comprehensive digital solutions that drive business growth for its clients.
Rather than focusing solely on advertising operations or content production, Dentsu Digital also addresses management challenges and designs customer experiences from a holistic perspective.
Its strength lies in marketing support centered on data utilization and technology integration, setting it apart from traditional advertising agencies.
By combining creativity and analytics, the company delivers strategic planning that enhances brand value and maximizes business outcomes.As Japan’s advertising market matures and the demand for DX accelerates, Dentsu Digital leverages the Dentsu Group’s expertise and vast data resources to lead clients through transformation.
It continues to establish itself not merely as an advertising agency, but as a true digital strategy partner for companies navigating Japan’s evolving digital landscape.
8.irep
Service: Major digital advertising agency
https://www.irep.co.jp/
IREP is a Japanese digital marketing company established in 1997 and is part of the Hakuhodo DY Group.
It is recognized as one of Japan’s leading companies in performance-based advertising, specializing in optimizing search and display advertising campaigns.
Beyond ad operations, IREP provides a wide range of services including data analytics, digital transformation (DX) support, and system development.
The company has established a PDCA-driven management approach that quantifies marketing performance and continuously improves results.
Rather than focusing solely on ad performance, IREP also helps clients strengthen their overall marketing infrastructure.While maintaining the agility and expertise of a specialized agency, IREP leverages the Hakuhodo Group’s network to ensure both scale and reliability.
With its strong operational capabilities and advanced data analytics, it serves as a results-oriented marketing partner that drives digital success for companies in Japan.
9.ADWAYS
Service:Affiliate/Ad network agency
https://www.adways.net
ADWAYS is a Japan-based marketing technology company operating across two main pillars: its proprietary advertising platform and comprehensive marketing consulting services.
The company has built a strong position in the affiliate advertising sector and has long been a driving force in Japan’s performance-based advertising market.
As of the fiscal year ending December 2024, ADWAYS reported consolidated revenue of approximately 126.8 billion yen and employs over 1,000 people.
Its platform focuses on optimizing ad delivery and seamlessly integrates consulting, data analytics, and full-funnel marketing strategy support.
By connecting advertisers, media, and consumers within a single framework, ADWAYS has contributed to improving transparency and trust in the affiliate advertising industry.The company is also expanding its presence internationally, particularly in Southeast Asia, by building partnerships with local firms and strengthening its global infrastructure.
Positioned not just as an advertising agency but as a technology-driven marketing partner, ADWAYS continues to establish itself as one of Japan’s leading digital marketing companies in the broader Asian market.
10.SEED
Strategy: Affiliate,Ad network
https://www.seedinc.jp
SEED Inc. is a Japan-based advertising agency specializing in affiliate marketing, with over 20 years of experience in the field.
Centered on performance-based advertising, the company manages one of Japan’s largest networks—over 3 million affiliate media sites and more than 10,000 affiliate partners.
What sets SEED apart is its ability to develop and operate customized media channels in-house, rather than relying on third-party affiliate service providers (ASPs).
This approach allows SEED to go beyond ad placement and deliver marketing strategies that directly enhance brand value and customer lifetime value (LTV).The company also focuses on maintaining transparency and reliability within the affiliate ecosystem, implementing strict measures against fraud and ensuring content quality.
As affiliate marketing continues to be a powerful channel in Japan, SEED stands out as a trusted partner that combines strategic design with operational excellence to drive measurable business results.
hotice Provides Matching Support
At hotice, we can help you select the right models for your marketing without you having to contact the influencers individually.
Selection of Japanese models, specifically the influencers for marketing purposes, can be very challenging.
hotice can help you facilitate the selection of influencers while also helping you communicate efficiently with these influencers.
Some models and influencers can be troublesome even after joining an agency, causing issues.
However, with hotice, you will have no problem of such.
If you are looking to optimize Japanese model marketing, hotice is the company for you.
