Best LINE Ad Agencies in 2025: Expert Japanese Marketing

Reach over 90 million users in Japan with LINE Ads. We compare top-rated agencies to help you scale your Japanese presence.

What is LINE Ads?

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

Tomira LINE Ad Operation & Consulting

Tomira's service features professionals well-versed in the characteristics of LINE Ads, implementing ad management in the most suitable form for our clients. Therefore, ad management reflecting the latest trends is possible, and significant growth in results can be expected.
In addition, because we have established Tomira's unique operational logic based on insights to date, stable long-term customer attraction is possible. By rotating the PDCA cycle quickly, higher cost-effectiveness can be expected.
Furthermore, we can handle a wide range of requests, from consulting for accounts managed in-house to integrated plans where we handle production, operation, and analysis together. This allow us to identify improvement points from daily operations, reflect them quickly, and support result enhancement.

Item	Content
Service Name	Tomira LINE Ad Operation & Consulting
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/ads/ads_line/

Anagram

Anagram is an agency strong in operational advertising. They handle a wide variety of advertisements and can support diverse ones including Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Criteo Ads, Amazon Ads, Pinterest Ads, TikTok Ads, and Pangle Ads. They support clients with the goal of discovering the hidden charms of a company and leading their business to success.

Item	Content
Service Name	Anagram
Company Name	Anagram Inc.
Address	Field Kita-Sando 1F/2F, 4-4-4 Sendagaya, Shibuya-ku, Tokyo

Glad Cube

Glad Cube is an advertising operation service provided by Glad Cube Inc. A total assembly of web marketing experts provides maximum support to increase clients' sales. They primarily handle Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Amazon Ads, YouTube Ads, and more.

Item	Content
Service Name	Glad Cube
Company Name	Glad Cube Inc.
Address	Shin-Kawaramachi Bldg 8F, 2-4-7 Kawaramachi, Chuo-ku, Osaka-shi, Osaka
Business Content	Marketing Solution Business Website Analysis and Improvement SaaS Business SPAIA Business

Wrinkle

Wrinkle is a marketing service provided by Media House Holdings, Inc. It is characterized by having certified experts with over 5 years of experience in charge, or the formation of specialized teams. The services they primarily provide include Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Criteo Ads, Amazon Ads, affiliate ads, and video production.

Item	Content
Service Name	Wrinkle
Company Name	Media House Holdings, Inc.
Address	Chuo Bldg 5F, 2-17 Kagurazaka, Shinjuku-ku, Tokyo

Geocode

Geocode is a web marketing company that has been providing web advertising agency services for over 14 years. The ad media they primarily handle include Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Criteo Ads, and affiliate ads.

Item	Content
Service Name	Geocode
Company Name	Geocode Inc.
Address	JR Shinjuku Miraina Tower 10F, 4-1-6 Shinjuku, Shinjuku-ku, Tokyo
Business Content	Web Marketing Business ・Organic Marketing ・Web Advertising Cloud Sales-Tech Business ・Development, sale, and support of cloud business support tools

ASUE

ASUE is a marketing company centered on ad operation. They support companies as a partner that moves forward together. They primarily handle ad operation for Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Criteo Ads, Amazon Ads, and TikTok Ads.

Item	Content
Service Name	ASUE
Company Name	ASUE Inc.
Address	Sanko Nishiki Bldg 6F, 3-5-30 Nishiki, Naka-ku, Nagoya-shi, Aichi
Business Content	Internet Advertising Business Web Production Business Website and Media Management Business

Zokujin

Zokujin is a web advertising agency with a strong focus on acquiring conversions. Their strength lies in operations that take an overview of marketing as a whole. They primarily handle ad media such as Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Pinterest Ads, and TikTok Ads.

Item	Content
Service Name	Zokujin
Company Name	Zokujin LLC
Address	1666-1 Kumagawa, Fussa-shi, Tokyo

Keyword Marketing

Keyword Marketing is an agency for operational advertising with a strength in its unique marketing methods to increase the success rate of advertisements. The advertising media they primarily handle are Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Criteo Ads, and TikTok Ads.

Item	Content
Service Name	Keyword Marketing
Company Name	Keyword Marketing Inc.
Address	THE TERRACE TSUKIJI 2F, 7-2-1 Tsukiji, Chuo-ku, Tokyo
Business Content	・Outsourcing for operational advertising ・Research and education business for search engine marketing

Unique One

Unique One Inc. is a digital communication company that provides web marketing businesses. They handle web advertising and video production. They primarily deal with Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Pinterest Ads, TikTok Ads, and YouTube Ads. They can also produce videos ranging from web commercials to YouTuber-style content tailored to the target audience.

Item	Content
Service Name	Unique One
Company Name	Unique One Inc.
Address	1-9-11 Konan, Higashi-ku, Niigata-shi, Niigata
Business Content	Internet Advertising Agency Business Internet Media Business

Prime Numbers

Prime Numbers is an advertising operation service provided by Prime Numbers Inc. They select and propose appropriate advertising media according to the advertiser's business format and products being promoted. They primarily handle ad media such as Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Criteo Ads, Amazon Ads, Pinterest Ads, TikTok Ads, Pangle Ads, and YouTube Ads.

Item	Content
Service Name	Prime Numbers
Company Name	Prime Numbers Inc.
Address	Ryoka Yoyogi Bldg 2F, 4-2-12 Sendagaya, Shibuya-ku, Tokyo
Business Content	Internet advertising information dissemination, internet advertising outsourcing Search ad consulting services Landing page and website production SNS operation outsourcing, blog article production outsourcing Operation of various media (comprehensive weight loss sites, beauty, etc.)

DIGITAL ATHLETE

DIGITAL ATHLETE is a marketing company that provide integrated support for Web marketing strategy design, ad operation, and Web production. They handle ad operation, video production, and YouTube channel management. The ad platforms they handle include Search Ads, Facebook Ads, Twitter Ads, LINE Ads, Criteo Ads, Amazon Ads, and YouTube Ads.

Item	Content
Service Name	DIGITAL ATHLETE
Company Name	DIGITAL ATHLETE Inc.
Address	Nishi-Shinjuku Mitsui Bldg 4F, 6-24-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo
Business Content	Provision of search ad information, search ad outsourcing Search ad consulting services Landing page and website production Web marketing outsourcing and consulting services Nurturing, dispatch, and introduction of digital marketing personnel

Digimarl

Digimarl is a digital marketing company that creates digital advertising and creative production. In digital advertising, they handle Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Amazon Ads, Pinterest Ads, TikTok Ads, and YouTube Ads. They also develop video production and landing page production.

Item	Content
Service Name	Digimarl
Company Name	Digimarl Inc.
Address	3-16-12 Nishi-Gotanda, Shinagawa-ku, Tokyo
Business Content	Digital Marketing Business

CyberAgent

CyberAgent is an advertising agency with a strong focus on internet advertising. They primarily handle Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Criteo Ads, TikTok Ads, and Amazon Ads. In the field of internet advertising, they boast one of the largest scales in Japan.

Item	Content
Service Name	CyberAgent
Company Name	CyberAgent, Inc.
Address	40-1 Udagawacho, Shibuya-ku, Tokyo
Business Content	Media Business Internet Advertising Business Game Business Investment and Incubation Business

Opt

Opt is an advertising agency that provides operation for search ads, display ads, affiliate ads, and social media ads. In social media advertising, they handle Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Amazon Ads, TikTok Ads, Pangle Ads, YouTube Ads, Criteo Ads, and more.

Item	Content
Service Name	Opt
Company Name	Opt Holding, Inc.
Address	Tokyu Bancho Bldg, 6 Yonbancho, Chiyoda-ku, Tokyo
Business Content	Marketing Business

Septeni

Septeni is a digital marketing company that provides solutions utilizing data and AI, starting with digital advertising. The digital advertisements handled by Septeni primarily include Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Criteo Ads, Amazon Ads, TikTok Ads, Pangle Ads, and YouTube Ads.

Item	Content
Service Name	Septeni
Company Name	Septeni Ad Creative Inc.
Address	Sumitomo Fudosan Shinjuku Grand Tower 28F, 8-17-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo
Business Content	Digital Marketing Support Business

Irep

Irep is a company that provides digital marketing solutions. Their advertising services cover Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Amazon Ads, TikTok Ads, YouTube Ads, Criteo Ads, and affiliate ads.

Item	Content
Service Name	Irep
Company Name	Irep Inc.
Address	Ebisu Garden Place Tower 21F, 4-20-3 Ebisu, Shibuya-ku, Tokyo
Business Content	Ad Agency Business Solution Business Creative Business Others

FullSpeed

FullSpeed is a digital marketing company capable of multifaceted web promotion, including SEO, MEO, SNS management, and operational advertising. They primarily handle ad operation and account management for Search Ads, Facebook, Instagram, Twitter, LINE, Pinterest, TikTok, Pangle, YouTube, Criteo, and affiliates.

Item	Content
Service Name	FullSpeed
Company Name	FullSpeed Inc.
Address	E-Space Tower 8F, 3-6 Maruyamacho, Shibuya-ku, Tokyo
Business Content	Internet Marketing Business Ad Technology Business

Seed

Seed is a web marketing company that provides advertising agency and production businesses. They support the development of web customer attraction promotions by utilizing affiliate ads, search ads, and social media ads. In social media advertising, they handle Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, Pinterest Ads, and YouTube Ads.

Item	Content
Service Name	Seed
Company Name	Seed Inc.
Address	Yuho Bldg 3F, 2-14-2 Iidabashi, Chiyoda-ku, Tokyo
Business Content	Internet Ads / Digital Marketing Web Site Production

Value Agent

Value Agent provides operation outsourcing services for web marketing. They excel in internet advertisement operation such as SEO measures, Search Ads, Facebook Ads, Instagram Ads, Twitter Ads, LINE Ads, and YouTube Ads. They operate end-to-end web marketing measures.

Item	Content
Service Name	Value Agent
Company Name	Value Agent Inc.
Address	Kuken Bldg 5F, 3-9-12 Nishinakajima, Yodogawa-ku, Osaka-shi, Osaka
Business Content	Web marketing outsourcing business ・Marketing strategy design ・Site production/operation improvement ・Internet ad operation ・SEO/Content marketing ・Web analysis/consulting IT introduction support

Engage Over 90 Million Users with Tomira's LINE Ad Services

LINE is the indispensable communication infrastructure of Japan. Tomira expertise in LINE advertising helps you build direct connections with customers through official accounts and targeted ad campaigns. If you’re looking to leverage LINE for your brand, Tomira is your trusted partner. Reach out to us for professional support.