Insights

Market Leadership IREP holds a leading market position in Japan with a ~25% share of online Search Engine Advertising on PCs, a strong track record of awards, and a long-standing affiliation with Hakuhodo DY Group. This suggests a compelling case for enterprise-level advertisers seeking scale, credibility, and proven performance in Japanese digital marketing.

Full‑Stack Digital As a one-stop digital marketing partner offering Paid Search, SEO, Web Analytics, LPO, and Mobile App Marketing, IREP can upsell integrated campaigns and cross-sell analytics and optimization services to advertisers looking to consolidate vendors and improve ROI across channels.

Tech‑Driven ROI Deployment of tools such as Yahoo Advertising, Google Tag Manager, Microsoft Clarity, HubSpot Analytics, Salesforce Marketing Cloud, and PHP-based capabilities indicates readiness for advanced measurement, attribution, and automation, enabling data-driven proposals for efficiency gains and lifecycle marketing improvements.

Expansion Readiness Recent leadership change and product launches like Customer Acquisition signal growth momentum and strategic investments in new offerings. This presents opportunities to target mid-to-large brands seeking fresh growth levers and modernized acquisition funnels.

Financial Scale With annual revenue in the estimated range of $100M–$250M and a substantial workforce, IREP demonstrates financial viability for long-term, high-value engagements and larger retainer-based or performance-driven contracts with regional and global advertisers.

Similar companies to IREP Co., Ltd.

IREP Co., Ltd. Tech Stack

IREP Co., Ltd. uses 8 technology products and services including Yahoo Advertising, Microsoft Clarity, HubSpot Analytics, and more. Explore IREP Co., Ltd.'s tech stack below.

  • Yahoo Advertising
    Advertising
  • Microsoft Clarity
    Analytics
  • HubSpot Analytics
    Analytics
  • JSON-LD
    Javascript Frameworks
  • Salesforce Marketing Cloud Account Engagement
    Marketing Automation
  • PHP
    Programming Languages
  • Yoast SEO
    Search Engines
  • Google Tag Manager
    Tag Management

IREP Co., Ltd.'s Email Address Formats

IREP Co., Ltd. uses at least 1 format(s):
IREP Co., Ltd. Email FormatsExamplePercentage
First_Last@irep.co.jpJohn_Doe@irep.co.jp
89%
FLast@irep.co.jpJDoe@irep.co.jp
7%
Last_First@irep.co.jpDoe_John@irep.co.jp
3%
Last@irep.co.jpDoe@irep.co.jp
1%

Frequently Asked Questions

What is IREP Co., Ltd.'s phone number?

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You can contact IREP Co., Ltd.'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is IREP Co., Ltd.'s official website and social media links?

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IREP Co., Ltd.'s official website is irep.co.jp and has social profiles on LinkedIn.

What is IREP Co., Ltd.'s SIC code NAICS code?

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IREP Co., Ltd.'s SIC code is 8742 - Management Consulting Services NAICS code is 541613 - Marketing Consulting Services.

How many employees does IREP Co., Ltd. have currently?

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As of July 2026, IREP Co., Ltd. has approximately 216 employees across 5 continents, including AsiaSouth AmericaEurope. Key team members include Managing Director / Team Jazz Representative: H. K.Web Director: N. T.Controller: J. L.. Explore IREP Co., Ltd.'s employee directory with LeadIQ.

What industry does IREP Co., Ltd. belong to?

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IREP Co., Ltd. operates in the Advertising Services industry.

What technology does IREP Co., Ltd. use?

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IREP Co., Ltd.'s tech stack includes Yahoo AdvertisingMicrosoft ClarityHubSpot AnalyticsJSON-LDSalesforce Marketing Cloud Account EngagementPHPYoast SEOGoogle Tag Manager.

What is IREP Co., Ltd.'s email format?

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IREP Co., Ltd.'s email format typically follows the pattern of First_Last@irep.co.jp. Find more IREP Co., Ltd. email formats with LeadIQ.

When was IREP Co., Ltd. founded?

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IREP Co., Ltd. was founded in 1997.
IREP Co., Ltd. logo

IREP Co., Ltd.

Advertising ServicesTokio, Japan201-500 Employees

IREP Co., Ltd. operates in the Advertising Services sector in Tokyo, focusing on digital marketing tied to search and listing ads. It is identified as the leading SEO/SEM agency and the top listing ads seller in Japan, offering a full spectrum of services including paid search, SEO, web analytics, landing page optimization, and mobile app marketing to improve user experience and ROI and drive sales for clients. The firm positions itself as a one-stop digital marketing partner that combines advanced technology with deep domain expertise to maintain a leadership role in the industry.

Founded in 1997 and headquartered in Tokyo, IREP has been listed on the JASDAQ since 2006 and is affiliated with the Hakuhodo DY Group. The company has earned industry recognitions such as a five-star Yahoo! Japan promotion ads official agency rating and the largest number of Google AdWords Certified Professionals in Japan as of 2016, and it held a leading share of PC-based search advertising in Japan at roughly 25%. In March 2021, Hiroto Kosaka was appointed President & Representative Director.

Section iconCompany Overview

Phone number
Website
irep.co.jp
SIC Code
8742 - Management Consulting Services
NAICS Code
541613 - Marketing Consulting Services
Founded
1997
Employees
201-500

Section iconFunding & Financials

  • $100M$250M

    IREP Co., Ltd.'s revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    IREP Co., Ltd.'s revenue is estimated to be in the range of $100M$250M

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