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Japan agency ranking

The best SEO & AI SEO agencies in Japan (2026)

Tokyo-based agencies make up most of the Japanese shortlist. The Egg Japan and Principle lead a group covering international SEO, content, analytics and digital experience. Local terminology, domestic platforms and coordination between Japan-based and global stakeholders distinguish the market from a translated Google-first program.

Top-ranked: Nile

Japan: leading agencies. Logos shown: Nile, Faber Company, Ayudante, Speee, PLAN-B. Leading Search List.
Japan: leading agencies · Leading Search List

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The leading three in Japan

Rank, fit and evidence
  1. 01

    Nile

    Tokyo · Global #99

    Best fit: Enterprise SEO leads the listed offer, supported by Content and Analytics. Client fit is Enterprise; price band $$$.

    Client fit: EnterprisePrice band: $$$Evidence: 1 source
  2. 02

    Faber Company

    Tokyo · Global #101

    Best fit: Technical SEO leads the listed offer, supported by Analytics and Content. Client fit is Enterprise; price band $$$.

    Client fit: EnterprisePrice band: $$$Evidence: 1 source
  3. 03

    Ayudante

    Tokyo · Global #102

    Best fit: Enterprise SEO leads the listed offer, supported by Analytics and International SEO. Client fit is Enterprise; price band $$$.

    Client fit: EnterprisePrice band: $$$Evidence: 1 source

Market profile

The Japan list in numbers

AI search
0agencies list the service
Enterprise fit
4profiles serve enterprise buyers
Largest city group
10Tokyo
Most common service
7Content

Agencies to compare by service

Examples matched by listed services, with lead specialisations prioritised and names then ordered alphabetically. These are not separate service rankings.

Quick comparison

Top 10 agencies in Japan

Open matrixClose matrix

Swipe to compare more details

Top SEO and AI SEO agencies in Japan
AgencyCityPrimary specialisationClient fitPrice
Nile#1 in Japan · #99 globallyTokyoEnterprise SEOEnterprise$$$
Faber Company#2 in Japan · #101 globallyTokyoTechnical SEOEnterprise$$$
Ayudante#3 in Japan · #102 globallyTokyoEnterprise SEOEnterprise$$$
Speee#4 in Japan · #103 globallyTokyoEnterprise SEOEnterprise$$$
PLAN-B#5 in Japan · #100 globallyTokyoSEOMid-market$$
Full Speed#6 in Japan · #104 globallyTokyoSEOMid-market$$
Zo Digital Japan#7 in Japan · #105 globallyTokyoInternational SEOMid-market$$
ShapeWin#8 in Japan · #106 globallyTokyoContentGrowth$$
StockSun#9 in Japan · #107 globallyTokyoSEOGrowth$$
Willgate#10 in Japan · #108 globallyTokyoContentMid-market$$

Complete the shortlist

Agencies ranked 4–10

  1. 04

    Speee

    Tokyo, Japan · Global #103

    Service profile: Enterprise SEO leads the listed offer, supported by Growth and Digital experience. Client fit is Enterprise; price band $$$.

    Enterprise SEOGrowthDigital experience
    Client fit: EnterprisePrice band: $$$Evidence: 1 source
  2. 05

    PLAN-B

    Tokyo, Japan · Global #100

    Service profile: SEO leads the listed offer, supported by Content and Growth. Client fit is Mid-market; price band $$.

    SEOContentGrowth
    Client fit: Mid-marketPrice band: $$Evidence: 1 source
  3. 06

    Full Speed

    Tokyo, Japan · Global #104

    Service profile: SEO leads the listed offer, supported by Growth and Content. Client fit is Mid-market; price band $$.

    SEOGrowthContent
    Client fit: Mid-marketPrice band: $$Evidence: 1 source
  4. 07

    Zo Digital Japan

    Tokyo, Japan · Global #105

    Service profile: International SEO leads the listed offer, supported by SEO and Content. Client fit is Mid-market; price band $$.

    International SEOSEOContent
    Client fit: Mid-marketPrice band: $$Evidence: 1 source
  5. 08

    ShapeWin

    Tokyo, Japan · Global #106

    Service profile: Content leads the listed offer, supported by Digital PR and International SEO. Client fit is Growth; price band $$.

    ContentDigital PRInternational SEO
    Client fit: GrowthPrice band: $$Evidence: 1 source
  6. 09

    StockSun

    Tokyo, Japan · Global #107

    Service profile: SEO leads the listed offer, supported by Growth and eCommerce. Client fit is Growth; price band $$.

    SEOGrowtheCommerce
    Client fit: GrowthPrice band: $$Evidence: 1 source
  7. 10

    Willgate

    Tokyo, Japan · Global #108

    Service profile: Content leads the listed offer, supported by SEO and Growth. Client fit is Mid-market; price band $$.

    ContentSEOGrowth
    Client fit: Mid-marketPrice band: $$Evidence: 1 source

Ranking basis

Local order and global rank

The local order uses the same search depth, AI-search, evidence and client-fit criteria as the global ranking. Both positions appear on every row.

The profile dates show when each Japan agency was last checked.

Frequently asked questions

About the Japan ranking

How are price bands distributed across the Japan list?

The ten agencies are split across relative engagement bands as follows: 0 $, 6 $$, 4 $$$. The bands support comparison and are not fee quotes.

Where are the listed agencies based?

Tokyo (10) are the largest location groups in this list.

Which Japan agencies publish AI-search services?

0 agencies include AI search in their listed service mix, but none has a separately documented service record in the current research set.