株式会社ライン

What 株式会社ライン does

株式会社ライン (Line Co., Ltd.) is a privately held Japanese posting (flyer distribution) advertising agency founded in March 2012 and headquartered in Shinjuku, Tokyo, with a registered capital of ¥5,000,000 and 15 employees as of November 2025. The firm operates as a total-produce offline advertising intermediary: it aggregates a curated network of 350+ regional posting-distribution companies covering all 47 Japanese prefectures and reaching approximately 30 million households, then sells to client enterprises a one-stop service spanning distribution-area proposal, planning, design and printing, on-the-ground distribution execution, progress management, and results reporting.

The company's core technology is an integrated posting-distribution management, media-planning, and creative-production platform built around two proprietary data assets: a condominium database that enables anonymous, addressless direct mail using building attributes (construction year, exclusive floor area, sale price, floor plan) instead of personal information, and a 4,000+ entry prohibited-distribution list that supports rapid complaint response. The firm cites 18 billion lifetime flyers distributed and 350 million flyers handled annually, with documented enterprise wins spanning hair-removal chains (4.5–6M flyers/month), law firms (8–9M flyers/month), delivery services (5.4–8.4M flyers/month), retail supermarket chains (10.7M flyers in a single drop), and electronic-cigarette promotions.

The business model is a mix of transaction fees on distribution volume (roller/area-wide at ~¥4 per flyer, segment/targeted at ~¥5 per flyer, single-distribution and condominium-segment at premiums above these levels, with prices varying by prefecture), plus professional-services fees on design and printing (creative from ¥20,000 for an A4 piece, full-color A4 printing from ¥2 per flyer). Go-to-market is sales-led, with a direct sales team handling enterprise clients end-to-end, an inbound inside-sales function via phone (0120-922-890) and web form, and a content-marketing/SEO program on the company's owned blog and resource pages. Primary customer segments are mid-to-large Japanese enterprises running nationwide campaigns and regional SMBs running hyper-local campaigns.

Name

株式会社ライン

Legal name

株式会社ライン

Website

https://line.jp.net

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

1–10 employees

Short description

株式会社ライン is a Japanese posting (flyer distribution) advertising agency founded in 2012, headquartered in Shinjuku, Tokyo. It aggregates a network of 350+ regional distributors covering all 47 prefectures and serves mid-to-large enterprises and SMBs with end-to-end offline campaign planning, distribution, and reporting.

Ownership category

akta.pro rank

Product category

Offline Advertising Services

NAICS

Advertising Material Distribution Services (54187), Direct Mail Advertising (54186), Direct Mail Advertising (541860), Advertising Material Distribution Services (541870)

SIC

Services-Direct Mail Advertising Services (7331), Services-Advertising Agencies (7311)

akta.pro primary industry

Street Team & Flyer Distribution Staff (HSACAEAF)

akta.pro secondary industry

Direct Marketing, CRM & Lifecycle (Email, SMS, Loyalty) (BPAFAAAJ)

Keywords

• Posting advertising services
• Flyer distribution
• Media planning
• Offline advertising
• Direct marketing services

Headquarters

HQ city

Shinjuku, Tokyo

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Supply Chain, Infrastructure

Revenue model

1. ポスティング広告代理事業: ポスティングの請負代理業務を主力事業としており、全国規模でのチラシ配布代理を提供する。配布费用的には配布エリア・サイズ・期間により変動し、ローラー配布で1枚4円〜、セグメント配布で1枚5円〜が相場。料金表は全國統一ではなく地域ごとに設定されており、 например Okinawa: B5~6.05円〜、A4:6.05円〜、B4:6.6円〜、B3:7.15円〜（税込）。Kagoshima: B5~4.4円〜、A4:4.95円〜、B4:5.5円〜、B3:6.6円〜。
2. クリエイティブ制作・印刷: チラシ・POP・ノベルティー・DM・販促ツール・会社案内などの制作・印刷業務を提供。制作費はA4片面の場合2万円〜、印刷費はA4フルカラー1枚あたり2円〜が相場目安。
3. メディアプランニング・サンプリング: 各種媒同等梱媒体の取り扱い、新聞・雑誌広告、・サービス提供。顧客獲得・休眠顧客の掘り起こしなどを目的に、ターゲットに直接PRするサンプリング業務を含む。

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

株式会社ライン (Line Co., Ltd.) operates as a comprehensive posting advertising agency offering nationwide flyer/leaflet distribution services across all 47 Japanese prefectures through a network of 350+ partner distribution companies reaching 30 million households. The agency handles the complete offline advertising cycle from campaign planning, area proposal, and creative design through distribution execution, progress management, and results analysis. The core posting service is supplemented by media planning (newspaper/magazine insertions), in-store and event sampling, flyer design and printing, and a unique building-data-driven condominium segment distribution that enables anonymous direct mail without personal information.

Product overview

株式会社ライン operates as a comprehensive posting advertising agency offering a suite of offline advertising services centered on flyer distribution (ポスティング). The core product is the nationwide posting service covering all 47 Japanese prefectures through partnerships with 350+ local distribution companies reaching 30 million households. This core service is supported by complementary modules including media planning (メディアプランニング) for newspaper/magazine insertions, sampling (サンプリング) for in-store product promotions, flyer design and printing (チラシ制作・印刷), and a targeted condominium segment distribution (分譲マンションセグメント) that enables address-less direct mail based on building characteristics. The company positions itself as a total produce firm handling the complete cycle from planning and design through distribution and results analysis.

Differentiator

Problem solved

Functional benefit

Products and services

• Posting (ポスティング) - Nationwide Flyer Distribution Core flyer/leaflet distribution service covering all 47 prefectures of Japan through a network of 350+ partner distribution companies. Handles distribution area proposal, planning, distribution arrangement, progress management, reporting, and analysis for offline advertising campaigns. Leverages 1.8 billion pieces of cumulative distribution history to enable precise area targeting and effective campaign planning. Designed for enterprises, mid-market companies, and SMBs running nationwide or regional offline advertising campaigns.
• Media Planning (メディアプランニング) Media planning service handling various enclosed media insertions, newspaper advertising, and magazine advertising placements. Designed for clients seeking to supplement their posting campaigns with traditional newspaper and magazine advertising channels.
• Sampling (サンプリング) Sampling service for directly promoting products to target audiences at retail stores and event venues. Supports both new customer acquisition and dormant customer reactivation campaigns through direct product sampling.
• Flyer Design and Printing (チラシ制作・印刷) Creative design and printing service for various promotional materials including flyers, novelty items, direct mail, sales promotion tools, and corporate brochures. Design fees start at 20,000 yen for A4 single-side; printing starts at 2 yen per piece for A4 full color.
• Condominium Segment Distribution (分譲マンションセグメント) Targeted distribution service for condominium residents using proprietary building data (construction year, exclusive area, sale price, floor plan) without requiring personal information. Enables anonymous direct mail campaigns based on building characteristics rather than personal information, targeting building segments efficiently.

Named customers12 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• 全国350社以上のポスティング配布会社ネットワークcoreChannel Partner/ Reseller/ Distributor全国350社以上のポスティング配布会社との実績を基に、全国3,000万世帯への配布ネットワークを構築。全国津軽綱47都道府県対応の配布覆盖力を実現している。クライアント企业在の要望合ったエリアの選定~配布の手配~進捗管理~クレーム対応~配布報告書の作成に至るまで、全面的に連携している。

Scale indicators7 records

Recent moves4 records

Expansion highlights5 records

Broad incumbents

• 電通グループ: Japan's largest advertising holding group with full-service capabilities including direct mail and offline channel planning. Overlaps with Line in posting services as part of a much broader portfolio, but does not specialize in the posting niche.
• 株式会社セプテーニ・ホールディングス: Japanese digital advertising agency group with integrated marketing solutions. Overlaps with Line on the campaign planning and customer acquisition side, though its core strength is digital media rather than offline posting.
• 博報堂DYホールディングス: Major Japanese advertising group with integrated direct marketing and offline media capabilities. Provides comparable campaign planning and execution but at much larger scale across multiple channels beyond posting.
• 株式会社サイバーエージェント: Major Japanese internet advertising company with media planning, creative, and performance marketing capabilities. Competes for the same advertiser budgets, particularly through its digital-native agency subsidiaries.
• トランスコスモス株式会社: Japanese marketing services company offering end-to-end campaign support including direct mail, contact center, and digital marketing. Comparable total-support service positioning, but with a much broader portfolio than Line's posting focus.
• 株式会社リクルートホールディングス: Japanese media and platform company operating vertical advertising businesses (HotPepper Beauty, SUUMO, etc.). Many of Line's hair-removal salon and retail clients are also heavy Recruit advertisers, making it an adjacent competitor in vertical SMB marketing.

Direct peers

• 株式会社アドパック: Japanese direct mail and posting services provider offering flyer distribution and related offline advertising services. Competes head-to-head with Line for the same enterprise and SMB clients seeking nationwide posting coverage.
• 株式会社ジェイ・シティ: Tokyo-based Japanese posting distribution agency operating regional flyer distribution networks with comparable B2B agency services. Directly competes with Line in the same offline flyer distribution channel and customer base.

Emerging players

• 株式会社アドウェイズ: Japanese digital advertising and marketing company with affiliate, performance, and cross-channel marketing offerings. Adjacent competitor for integrated advertising budgets, particularly for SMB and mid-market clients.
• 楽天グループ株式会社: Japanese e-commerce and marketing group with direct mail, CRM, and data-driven advertising capabilities. Increasingly relevant as a competitor in measurable, data-driven offline/direct marketing solutions where Line's building-segment approach competes.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BE%E3%83%A9%E3%82%A4%E3%83%B3

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 株式会社ライン