Best Influencer Marketing Agencies in 2025: Expert Comparison

Scale your brand with high-impact influencer partnerships. We compare top agencies specializing in authentic influencer collaborations.

What is Influencer Marketing?

Influencer Marketing is a vital element of modern digital marketing strategy. Professional management ensures your campaigns are always optimized for results.

Tomira Influencer Casting

Tomira provides services specialized in influencer casting operations. Our dedicated team handles everything from casting to creative production and operation consistently, providing optimal support for our clients. We also utilize unique know-how obtained from extensive advertising and SNS operation experience.
Casting by Influencer Marketing Professionals
Because influencer marketing professionals perform proposals utilizing the latest raw data obtained from extensive casting experience, such as influencer track records, affinity with products, and global trends, we can generate results with a very high degree of accuracy.
From Casting to Creative Production and Operation
At Tomira, you can request not only the casting of talents and influencers but also creative production and account management as a whole. Professionals specializing in each department form a team to provide high-precision support.
Optimized Listing Based on Multiple Indicators
We visualize the influence of influencers active on Instagram and X (Twitter) through various indicators such as follower count, post engagement, demographic attributes, past results, and performance forecasts, and provide the optimal list for your company.

Item	Content
Service Name	Tomira Influencer Casting
Company Name	Tomira Inc.
Address	BIZ SMART 235, 2-12-8 Kita-Aoyama, Minato-ku, Tokyo
Business Content	・Web/Digital Marketing Support ・Recruitment Agency Business in the DX Field ・BPaaS / Remote Back Office Business (Accounting, Labor Relations, Assistance, Recruitment Operations)
Official Site	https://tomira.co.jp/marketing/casting/

TWIN PLANET

TWIN PLANET is a marketing company providing influencer casting services. You can receive support for influencer casting and SNS assistance across various platforms such as Instagram, X (formerly Twitter), YouTube, and TikTok.

Item	Content
Service Name	TWIN PLANET
Company Name	TWIN PLANET Inc.
Address	5-46-1 Jingumae, Shibuya-ku, Tokyo

CRAZE

CRAZE is a TikToker casting service operated by Greed Inc. As a TikToker agency with direct partnerships with creators, they enable casting at industry-leading low prices.

Item	Content
Service Name	CRAZE
Company Name	Greed Inc.
Address	Nishiazabu 3243 Bldg 5F, 3-2-43 Nishiazabu, Minato-ku, Tokyo

YOU MAY Casting

YOU MAY Casting is a casting agency operated by Pro Model Studio Inc. They enable casting across diverse genres, from influencers active on Instagram, X (formerly Twitter), YouTube, and TikTok to celebrities, models, comedians, and athletes.

Item	Content
Service Name	YOU MAY Casting
Company Name	Pro Model Studio Inc.
Address	Asano Bldg B1F, 8-5 Motoyoyogi-cho, Shibuya-ku, Tokyo
Business Content	Casting Business Production Business Nurturing & Support Business Talent Agency Business Studio Business

kamui tracker

kamui tracker is a casting service that also provides YouTube data analysis tools. By offering proposals based on detailed data such as "estimated views," "engagement," and "viewer evaluation" for each YouTuber, they provide the optimal casting tailored to each client.

Item	Content
Service Name	kamui tracker
Company Name	Eviry,Inc.
Address	MFPR Shibuya Bldg 12F, 1-2-5 Shibuya, Shibuya-ku, Tokyo
Business Content	Video Solution Business kamui tracker Business Production Business

wonderX Inc.

wonderX Inc. is a marketing company providing influencer casting services. Leveraging an extensive network, they can assign a wide range of creators, from top influencers to niche influencers.

Item	Content
Service Name	wonderX Inc.
Company Name	wonderX Inc.
Address	Wind Akasaka II Bldg 303, 2-17-65 Akasaka, Minato-ku, Tokyo

TUBERS

TUBERS provides casting utilizing a database for YouTube marketing analysis. They provide the optimal casting by leveraging various data such as channel searches with detailed conditions, channel and video reports, and tie-up examples.

Item	Content
Service Name	TUBERS
Company Name	Creator Ninja Inc.
Business Content	Development and Provision of Platforms and Tools

BitStar

BitStar is an influencer casting service where professional planners perform selections. They can cast influencers from Instagram, X (formerly Twitter), YouTube, and TikTok, and dedicated representatives also support creative production.

Item	Content
Service Name	BitStar
Company Name	BitStar Inc.
Address	Shibuya Higashiguchi Bldg 10F, 2-22-3 Shibuya, Shibuya-ku, Tokyo
Business Content	・Creator Support Business ・Content Production Business

Hero Casting

Hero Casting is a casting service with an extensive track record. In addition to Instagram, X (formerly Twitter), YouTube, and TikTok, they enable casting across various genres, including celebrities, comedians, athletes, and intellectuals.

Item	Content
Service Name	Hero Casting
Company Name	A3 Inc.
Address	Croce Jingumae Bldg 6F, 3-35-2 Jingumae, Shibuya-ku, Tokyo
Business Content	(1) Integrated Casting Business (2) Integrated Human Resources Business Specialized for Entertainment (3) Integrated M&A Mediation Business Specialized for Entertainment (4) Talent Support Project

Cloud Casting

Cloud Casting is a casting service where you can search for and offer roles to influencers yourself. Smart casting is possible by handling everything from searching to ordering, contracting, and payment all in one place.

Item	Content
Service Name	Cloud Casting
Company Name	BIJIN&Co. Inc.
Address	bijin-BLDG., 4-6-8 Shibakoen, Minato-ku, Tokyo
Business Content	Internet Media Business Business Related to Planning, Development, and Operation of Internet Services Business Related to Planning, Production, Distribution, and Sale of Digital Content Advertising, Publicity, Sales Promotion, Marketing Research, and Agency Services

Eyes

Eyes is a service specializing in casting influencers, primarily focused on women. They can perform casting tailored to requests from more than 1,000 micro-influencers in various genres, such as reader models, housewives, office workers, gourmet, travel, and cooks.

Item	Content
Service Name	Eyes
Company Name	Eyes Inc.
Address	Shibuya Prestige 7F, 3-12-22 Shibuya, Shibuya-ku, Tokyo
Business Content	・Advertising Industry Platform "Media Radar" ・Buzz Marketing Platform "Trami" ・Internet Advertising Agency Sales (Operational Ad Outsourcing) ・Cloud Service Platform "Cloud Radar" ・Global Strategy Service Platform "Global Radar" ・Activity Platform "Wweekle" ・Infomation Media for Moms "mamaPRESS" ・Infomation Media for Women "Tramaga"

sharecoto

sharecoto is an influencer casting service provided by sharecoto Inc. They primarily cast influencers for Instagram, X (formerly Twitter), YouTube, and TikTok, selecting those who can deliver substantial results based on analysis by a specialized team.

Item	Content
Service Name	sharecoto
Company Name	sharecoto Inc.
Address	Akasaka Biz Tower 15F, 5-3-1 Akasaka, Minato-ku, Tokyo
Business Content	1. Social Media Business 2. Web Marketing Business 3. Content Marketing Business
Initial Cost	200,000 to 400,000 JPY (Excl. Tax)
Rate Plans	Monthly 300,000 to 600,000 JPY (Excl. Tax)
Detail	sharecoto is a service that provides end-to-end support for various social media challenges faced by companies. In addition to managing accounts for Instagram and other platforms, they also handle SNS monitoring and campaign execution. Based on expertise cultivated through a track record with major companies, they propose the most suitable support measures for each client. Total support from account creation to analysis Handling of SNS monitoring and campaigns Proven track record in asset production for various industries such as retail, lodging, and financial services
Official Site	https://www.sharecoto.co.jp/service/instagram-support/operation

Nacht

Nacht is a service for casting influencers active on SNS such as Instagram, X (formerly Twitter), YouTube, and TikTok. They can cast a wide range of creators, from mega-influencers with over one million followers to niche influencers with core fan bases.

Item	Content
Service Name	Nacht
Company Name	Nacht Inc.
Address	Shibuya Mark City West 13F, 1-12-1 Dogenzaka, Shibuya-ku, Tokyo
Business Content	Advertising Agency Business (Influencer ads, AD ads, Listing ads, SEO business etc.) Advertising Consultant Business (Casting, Video production, LTV improvement etc.) Production Business (Creator management, Content planning/operation etc.) Web Media Production Business (Owned media production/operation, System development etc.) D2C Business (Product development, D2C consulting etc.)

UNITY

UNITY is a service that primarily casts influencers, including Instagrammers. Partnered with many influencers in fashion, beauty, health, and lifestyle, they enable PR with high appeal to female audiences.

Item	Content
Service Name	UNITY
Company Name	UNITY Inc.
Address	Shibuya Dogenzaka Tokyu Bldg 1F, 1-10-8 Dogenzaka, Shibuya-ku, Tokyo

THECOO

THECOO is a marketing company providing influencer casting services. Regardless of agency affiliation or SNS platform, they enable influencer casting tailored to brand imagery, supporting various platforms including Instagram, X (formerly Twitter), YouTube, and TikTok.

Item	Content
Service Name	THECOO
Company Name	THECOO Inc.
Address	Sumitomo Fudosan Harajuku Bldg 10F, 2-34-17 Jingumae, Shibuya-ku, Tokyo
Business Content	・Operation of "fanicon," a membership-based fan community app for icons and core fans ・Operation of "Studio Coup," an influencer agency specialized in game commentators ・Operation of "iCON Suite," visualizing the value of influencers ・Operation of "iCON CAST," connecting YouTubers and companies ・Operation of "RIPPLY," thinking about influencer marketing

GOLD CAST

GOLD CAST is a service that casts influencers such as YouTubers, Instagrammers, and TikTokers. Based on an extensive track record and connections, they provide support that stays ahead of trends.

Item	Content
Service Name	GOLD CAST
Company Name	GOLD CAST Inc.
Address	Aoyama Ando Bldg 2F, 4-17-11 Minamiaoyama, Minato-ku, Tokyo
Business Content	1. Casting business for actors, celebrities, intellectuals, athletes, models, etc., in advertising. Management of performance contracts. 2. Planning, formulation, and execution of various events and lectures. 3. Advertising and planning business on the Internet. 4. Management of actors belonging to the company. 5. Discovery and nurturing of new talent. 6. Planning, formulation, and production of TV commercials. 7. All operations incidental to each preceding item.

GROVE

GROVE is a marketing company that operates influencer marketing, production, and creative businesses. They provide casting for influencers active on Instagram, X (formerly Twitter), YouTube, and TikTok. Their strength also lies in influencer management.

Item	Content
Service Name	GROVE
Company Name	GROVE Inc.
Address	Roppongi Hills Mori Tower 31F, 6-10-1 Roppongi, Minato-ku, Tokyo
Business Content	Influencer Marketing Business Production Business Creative Business

beaus

beaus is an influencer casting service provided by beaus Inc. They can cast influencers for Instagram, X (formerly Twitter), YouTube, and TikTok, across various genres such as fashion, parenting, food, and travel.

Item	Content
Service Name	beaus
Company Name	beaus Inc.
Address	Kobayashi Bldg 501, 3-13-1 Minamiaoyama, Minato-ku, Tokyo
Business Content	・Digital Ad Sales ・Social Marketing ・Branding and PR Outsourcing ・Casting Services (Celebrities/Experts) ・Production of EC Sites and Owned Media ・Writer School

Rooster

Rooster is a marketing company with a strength in influencer casting. They can cast influencers active on SNS platforms such as Instagram, X (formerly Twitter), YouTube, and TikTok. They also operate "ROOSTER," an Instagrammer casting platform.

Item	Content
Service Name	Rooster
Company Name	Rooster Inc.
Address	926 Yasunaga, Kuwana-shi, Mie
Business Content	Influencer Marketing Business, operation of "ROOSTER" (https://myrooster.net/client/), one of Japan's largest Instagrammer casting tools.

Humanize Your Brand with Tomira's Influencer Marketing

Influencer marketing bridges the gap between brands and people. Tomira helps you identify and collaborate with influencers who truly resonate with your target audience, driving both awareness and trust. If you’re looking to scale your influencer strategies, reach out to Tomira today.