Company lists · Data refreshed November 2026
Top 25 Communications consultancies based in Japan
RevenueBase identified 127 company matches for communications consultancies associated with Japan as of November 2026 and tracks 1,968 professional contacts across them, including 444 with verified work emails. Tokyo is the largest hub.
This list covers company matches for communications consultancies associated with Japan, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest communications consultancies based in Japan
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 241 contacts → | ||||
Exact match “Vector is a leading Japanese PR agency, founded 32 years ago and listed on the Tokyo Stock Exchange Prime Market (TYO: 6058).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 89 contacts → | ||||
Exact match “For over 25 years, we've honed our dual expertise in editorial and design, partnering with you to develop your business, branding, and communication strategies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 61 contacts → | ||||
Exact match “SEIYA NAKAMURA 2.24 is a multidisciplinary consulting agency founded in 2014, with offices and showrooms located in Paris, Tokyo and Shanghai and Hongkong.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 39 contacts → | ||||
Exact match “SivanS Group is comprised of digital, communication, and media companies that bridge the online-offline experience with a one-stop agency that provides tailor-made Strategies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 33 contacts → | ||||
Exact match “Connecting diverse PeopleProductsThings together Tsunagaru Inc, a PR & Advertising agency based in Tokyo, solves problems as a team, not as individuals, to create additional…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 31 contacts → | ||||
Exact match “Inoue Public Relations has been a pioneer in Japan’s public relations industry ever since our founding almost 50 years ago by Takashi Inoue, Founder & CEO.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 28 contacts → | ||||
Exact match “At the heart of every successful communications project is effective storytelling.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 27 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 25 contacts → | ||||
Exact match “At Ad-comm we develop and execute bold communication solutions that build and protect our clients’ brands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 18 contacts → | ||||
Exact match “Ashton Consulting is a leading international corporate communications advisory agency, established in and based in Tokyo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 17 contacts → | ||||
Exact match “Cosmo Public Relations is an independent public relations and strategic communications consulting firm based in Tokyo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 14 contacts → | ||||
Exact match “Born Global.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “Quallia is a creative consultancy offering online / offline / new-business strategies with deep insight based on various type of researches.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “HALF TIME provides PR and branding services and recruitment service to corporate clients, with industry-leading sports media and sports business conference.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “Trainspot is an integrated creative agency in Tokyo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “KREAB Tokyo is a Strategic PR Communications Consulting company based out of 2-5-1 MORI9F, Japan.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “TrainTracks offers a marketing commucniations solution that enables our clients to create and execute integrated marketing and communications programs with a one-stop express…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 7 contacts → | ||||
Exact match “LOVE & FAIR : ACTIO.INC supports your further growth and transformation through agile, strategic communication design targeted at resolving the issues you face.We will go beyond…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 7 contacts → | ||||
Exact match “AQUILA was founded to help Japanese companies get better at managing their global reputation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 6 contacts → | ||||
Exact match “SIPA Partners is a strategic intelligence and public affairs advisory firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “Parthenon Japan is a strategic communication firm based in Tokyo, Japan.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “Focused and clear communications with employees, customers, and a wide range of stakeholders has never been more important.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “communications consultancies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 127 communications consultancies based in Japan
See the full list, filter by size, metro and specialty, and access 444 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Communications consultancies based in Japan at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Japan, so it is reported there. Company counts and contact totals on this page are exact for Japan, over 127 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Japan whose business descriptions match “communications consultancies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 444 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Communications consultancies by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “communications consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many communications consultancies are there based in Japan?
RevenueBase identified 127 company matches for communications consultancies associated with Japan as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
株式会社ベクトル Vector INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most communications consultancies?
Tokyo leads with 29 company records, followed by Jing (19) and Chiyoda (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 444 professional contacts with verified work emails tracked across these 127 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 127 communications consultancies based in Japan. Start with a free account, no credit card.
Download this list →Related lists
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- Communications consultancies based in the Netherlands
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Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Communications consultancies based in the United States
- Communications consultancies based in France
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- Communications consultancies based in the United Kingdom
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Company intelligence · public preview
Top 25 communications consultancies based in Japan
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 127 matching company records for communications consultancies based in Japan, with 1,968 tracked contacts and 444 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 communications consultancies based in Japan
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  株式会社ベクトル Vector INCvectorinc.co.jpHQ: Minato-ku, JapanReported employees: 1,001-5,000 | Minato-ku, Japan | 1,001-5,000 | Exact match | 241 contacts → |
“Vector is a leading Japanese PR agency, founded 32 years ago and listed on the Tokyo Stock Exchange Prime Market (TYO: 6058).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Infobahn INCinfobahn.co.jpHQ: Shibuya, JapanReported employees: 51-200 | Shibuya, Japan | 51-200 | Exact match | 89 contacts → |
“For over 25 years, we've honed our dual expertise in editorial and design, partnering with you to develop your business, branding, and communication strategies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Seiya Nakamura 2.24 INCseiyanakamura224.comHQ: Tokyo, JapanReported employees: 51-200 | Tokyo, Japan | 51-200 | Exact match | 61 contacts → |
“SEIYA NAKAMURA 2.24 is a multidisciplinary consulting agency founded in 2014, with offices and showrooms located in Paris, Tokyo and Shanghai and Hongkong.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Sivans株式会社sivans.jpHQ: 渋谷区, JapanReported employees: 11-50 | 渋谷区, Japan | 11-50 | Exact match | 39 contacts → |
“SivanS Group is comprised of digital, communication, and media companies that bridge the online-offline experience with a one-stop agency that provides tailor-made Strategies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Tsunagaru INCtsunagaru.co.jpHQ: 中央区, JapanReported employees: 11-50 | 中央区, Japan | 11-50 | Exact match | 33 contacts → |
“Connecting diverse PeopleProductsThings together Tsunagaru Inc, a PR & Advertising agency based in Tokyo, solves problems as a team, not as individuals, to create additional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Inoue Public Relations, INCinoue-pr.comHQ: Shinjuku-ku, JapanReported employees: 11-50 | Shinjuku-ku, Japan | 11-50 | Exact match | 31 contacts → |
“Inoue Public Relations has been a pioneer in Japan’s public relations industry ever since our founding almost 50 years ago by Takashi Inoue, Founder & CEO.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Wild Tame Co. LTDwildta.meHQ: Chiyoda, JapanReported employees: 11-50 | Chiyoda, Japan | 11-50 | Exact match | 28 contacts → |
“At the heart of every successful communications project is effective storytelling.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 株式会社オズマピーアールozma.co.jp HQ: 千代田区, JapanReported employees: 11-50 | 千代田区, Japan | 11-50 | Exact match | 27 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 |  Ad-Comm Groupad-comm.comHQ: Tokyo, JapanReported employees: 51-200 | Tokyo, Japan | 51-200 | Exact match | 25 contacts → |
“At Ad-comm we develop and execute bold communication solutions that build and protect our clients’ brands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Ashton Consulting Japanashton.jpHQ: Minato-ku, JapanReported employees: 11-50 | Minato-ku, Japan | 11-50 | Exact match | 18 contacts → |
“Ashton Consulting is a leading international corporate communications advisory agency, established in and based in Tokyo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Cosmo Public Relations Corporationcosmopr.co.jpHQ: Minato-ku, JapanReported employees: 51-200 | Minato-ku, Japan | 51-200 | Exact match | 17 contacts → |
“Cosmo Public Relations is an independent public relations and strategic communications consulting firm based in Tokyo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Funkycorp LTDfunkycorp.comHQ: Minato-ku, JapanReported employees: 11-50 | Minato-ku, Japan | 11-50 | Exact match | 14 contacts → |
“Born Global.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Quallia INCquallia.jpHQ: Minato-ku, JapanReported employees: 11-50 | Minato-ku, Japan | 11-50 | Exact match | 12 contacts → |
“Quallia is a creative consultancy offering online / offline / new-business strategies with deep insight based on various type of researches.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Half Time LTDhalftime.co.jpHQ: Tokyo, JapanReported employees: 11-50 | Tokyo, Japan | 11-50 | Exact match | 11 contacts → |
“HALF TIME provides PR and branding services and recruitment service to corporate clients, with industry-leading sports media and sports business conference.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Trainspot KKtrainspot.jpHQ: Taito-ku, JapanReported employees: 11-50 | Taito-ku, Japan | 11-50 | Exact match | 10 contacts → |
“Trainspot is an integrated creative agency in Tokyo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 猿人 Enjin Tokyoenjintokyo.com HQ: 世田谷区, JapanReported employees: 1-10 | 世田谷区, Japan | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  Kreab Tokyokreab.comHQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 9 contacts → |
“KREAB Tokyo is a Strategic PR Communications Consulting company based out of 2-5-1 MORI9F, Japan.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Traintracks INCtraintracks.jpHQ: Shibuya-ku, JapanReported employees: 1-10 | Shibuya-ku, Japan | 1-10 | Exact match | 9 contacts → |
“TrainTracks offers a marketing commucniations solution that enables our clients to create and execute integrated marketing and communications programs with a one-stop express…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Actio INCactioinc.jpHQ: 東京都渋谷区広尾1-6-1, JapanReported employees: 11-50 | 東京都渋谷区広尾1-6-1, Japan | 11-50 | Exact match | 7 contacts → |
“LOVE & FAIR : ACTIO.INC supports your further growth and transformation through agile, strategic communication design targeted at resolving the issues you face.We will go beyond…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Aquila PRaquila-pr.comHQ: Tokyo, JapanReported employees: 1-10 | Tokyo, Japan | 1-10 | Exact match | 7 contacts → |
“AQUILA was founded to help Japanese companies get better at managing their global reputation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Gram3 INCgram3.comHQ: Hamamatsu-cho Minato-ku, JapanReported employees: 11-50 | Hamamatsu-cho Minato-ku, Japan | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Sipa Partnerssipa-partners.comHQ: Tokyo, JapanReported employees: 1-10 | Tokyo, Japan | 1-10 | Exact match | 6 contacts → |
“SIPA Partners is a strategic intelligence and public affairs advisory firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  (株)ケー・アンド・エルklt.co.jpHQ: 千代田区, JapanReported employees: 51-200 | 千代田区, Japan | 51-200 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Parthenon Japanparthenonjapan.comHQ: Chiyoda-ku, JapanReported employees: 11-50 | Chiyoda-ku, Japan | 11-50 | Exact match | 5 contacts → |
“Parthenon Japan is a strategic communication firm based in Tokyo, Japan.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Lightning Communications, INClightning-communications.co.jpHQ: Tokyo, JapanReported employees: 1-10 | Tokyo, Japan | 1-10 | Exact match | 5 contacts → |
“Focused and clear communications with employees, customers, and a wide range of stakeholders has never been more important.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 127 company matches
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Communications consultancies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
124 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Japan, so it is reported there. Company counts and contact totals on this page are exact for Japan, over 127 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Communications consultancies by metro
Questions about this company list
What does Exact match mean for communications consultancies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many communications consultancies did RevenueBase find based in Japan?
The saved snapshot records 127 matching company records, 1,968 tracked contacts and 444 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Communications consultancies by geography
- Communications consultancies based in the United States
- Communications consultancies based in France
- Communications consultancies based in Brazil
- Communications consultancies based in the United Kingdom
- Communications consultancies based in Italy
- Communications consultancies based in Germany
- Communications consultancies based in Spain
- Communications consultancies based in the Netherlands
- Communications consultancies based in Australia
- Communications consultancies based in Canada
- Communications consultancies based in Argentina
- Communications consultancies based in Mexico
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 communications consultancies based in Japan. Snapshot: November 6, 2026. https://revenuebase.ai/companies/communications-consultancies/japan.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Communications consultancies based in the United States
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Company intelligence · public preview
Top 25 communications consultancies based in Japan
RevenueBase records 127 matching company records for communications consultancies based in Japan, with 1,968 tracked contacts and 444 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 communications consultancies based in Japan
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 株式会社ベクトル Vector INCvectorinc.co.jp HQ: Minato-ku, JapanReported employees: 1,001-5,000 | Minato-ku, Japan | 1,001-5,000 | Exact match | 241 contacts → |
“Vector is a leading Japanese PR agency, founded 32 years ago and listed on the Tokyo Stock Exchange Prime Market (TYO: 6058).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Infobahn INCinfobahn.co.jp HQ: Shibuya, JapanReported employees: 51-200 | Shibuya, Japan | 51-200 | Exact match | 89 contacts → |
“For over 25 years, we've honed our dual expertise in editorial and design, partnering with you to develop your business, branding, and communication strategies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Seiya Nakamura 2.24 INCseiyanakamura224.com HQ: Tokyo, JapanReported employees: 51-200 | Tokyo, Japan | 51-200 | Exact match | 61 contacts → |
“SEIYA NAKAMURA 2.24 is a multidisciplinary consulting agency founded in 2014, with offices and showrooms located in Paris, Tokyo and Shanghai and Hongkong.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sivans株式会社sivans.jp HQ: 渋谷区, JapanReported employees: 11-50 | 渋谷区, Japan | 11-50 | Exact match | 39 contacts → |
“SivanS Group is comprised of digital, communication, and media companies that bridge the online-offline experience with a one-stop agency that provides tailor-made Strategies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Tsunagaru INCtsunagaru.co.jp HQ: 中央区, JapanReported employees: 11-50 | 中央区, Japan | 11-50 | Exact match | 33 contacts → |
“Connecting diverse PeopleProductsThings together Tsunagaru Inc, a PR & Advertising agency based in Tokyo, solves problems as a team, not as individuals, to create additional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Inoue Public Relations, INCinoue-pr.com HQ: Shinjuku-ku, JapanReported employees: 11-50 | Shinjuku-ku, Japan | 11-50 | Exact match | 31 contacts → |
“Inoue Public Relations has been a pioneer in Japan’s public relations industry ever since our founding almost 50 years ago by Takashi Inoue, Founder & CEO.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Wild Tame Co. LTDwildta.me HQ: Chiyoda, JapanReported employees: 11-50 | Chiyoda, Japan | 11-50 | Exact match | 28 contacts → |
“At the heart of every successful communications project is effective storytelling.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 株式会社オズマピーアールozma.co.jp HQ: 千代田区, JapanReported employees: 11-50 | 千代田区, Japan | 11-50 | Exact match | 27 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Ad-Comm Groupad-comm.com HQ: Tokyo, JapanReported employees: 51-200 | Tokyo, Japan | 51-200 | Exact match | 25 contacts → |
“At Ad-comm we develop and execute bold communication solutions that build and protect our clients’ brands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ashton Consulting Japanashton.jp HQ: Minato-ku, JapanReported employees: 11-50 | Minato-ku, Japan | 11-50 | Exact match | 18 contacts → |
“Ashton Consulting is a leading international corporate communications advisory agency, established in and based in Tokyo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cosmo Public Relations Corporationcosmopr.co.jp HQ: Minato-ku, JapanReported employees: 51-200 | Minato-ku, Japan | 51-200 | Exact match | 17 contacts → |
“Cosmo Public Relations is an independent public relations and strategic communications consulting firm based in Tokyo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Funkycorp LTDfunkycorp.com HQ: Minato-ku, JapanReported employees: 11-50 | Minato-ku, Japan | 11-50 | Exact match | 14 contacts → |
“Born Global.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Quallia INCquallia.jp HQ: Minato-ku, JapanReported employees: 11-50 | Minato-ku, Japan | 11-50 | Exact match | 12 contacts → |
“Quallia is a creative consultancy offering online / offline / new-business strategies with deep insight based on various type of researches.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Half Time LTDhalftime.co.jp HQ: Tokyo, JapanReported employees: 11-50 | Tokyo, Japan | 11-50 | Exact match | 11 contacts → |
“HALF TIME provides PR and branding services and recruitment service to corporate clients, with industry-leading sports media and sports business conference.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Trainspot KKtrainspot.jp HQ: Taito-ku, JapanReported employees: 11-50 | Taito-ku, Japan | 11-50 | Exact match | 10 contacts → |
“Trainspot is an integrated creative agency in Tokyo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 猿人 Enjin Tokyoenjintokyo.com HQ: 世田谷区, JapanReported employees: 1-10 | 世田谷区, Japan | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Kreab Tokyokreab.com HQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 9 contacts → |
“KREAB Tokyo is a Strategic PR Communications Consulting company based out of 2-5-1 MORI9F, Japan.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Traintracks INCtraintracks.jp HQ: Shibuya-ku, JapanReported employees: 1-10 | Shibuya-ku, Japan | 1-10 | Exact match | 9 contacts → |
“TrainTracks offers a marketing commucniations solution that enables our clients to create and execute integrated marketing and communications programs with a one-stop express…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Actio INCactioinc.jp HQ: 東京都渋谷区広尾1-6-1, JapanReported employees: 11-50 | 東京都渋谷区広尾1-6-1, Japan | 11-50 | Exact match | 7 contacts → |
“LOVE & FAIR : ACTIO.INC supports your further growth and transformation through agile, strategic communication design targeted at resolving the issues you face.We will go beyond…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Aquila PRaquila-pr.com HQ: Tokyo, JapanReported employees: 1-10 | Tokyo, Japan | 1-10 | Exact match | 7 contacts → |
“AQUILA was founded to help Japanese companies get better at managing their global reputation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gram3 INCgram3.com HQ: Hamamatsu-cho Minato-ku, JapanReported employees: 11-50 | Hamamatsu-cho Minato-ku, Japan | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Sipa Partnerssipa-partners.com HQ: Tokyo, JapanReported employees: 1-10 | Tokyo, Japan | 1-10 | Exact match | 6 contacts → |
“SIPA Partners is a strategic intelligence and public affairs advisory firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | (株)ケー・アンド・エルklt.co.jp HQ: 千代田区, JapanReported employees: 51-200 | 千代田区, Japan | 51-200 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Parthenon Japanparthenonjapan.com HQ: Chiyoda-ku, JapanReported employees: 11-50 | Chiyoda-ku, Japan | 11-50 | Exact match | 5 contacts → |
“Parthenon Japan is a strategic communication firm based in Tokyo, Japan.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Lightning Communications, INClightning-communications.co.jp HQ: Tokyo, JapanReported employees: 1-10 | Tokyo, Japan | 1-10 | Exact match | 5 contacts → |
“Focused and clear communications with employees, customers, and a wide range of stakeholders has never been more important.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 127 company matches
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Communications consultancies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
124 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Japan, so it is reported there. Company counts and contact totals on this page are exact for Japan, over 127 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Communications consultancies by metro
Questions about this company list
What does Exact match mean for communications consultancies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many communications consultancies did RevenueBase find based in Japan?
The saved snapshot records 127 matching company records, 1,968 tracked contacts and 444 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 communications consultancies based in Japan. Snapshot: November 6, 2026. https://revenuebase.ai/companies/communications-consultancies/japan.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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