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Technical SEO agencies in Japan

9 agencies across Japan list Technical SEO as a service. Site speed, crawlability, Core Web Vitals and migrations done properly. Every agency on findseo has SEO as a main service, and ratings come only from client reviews we check ourselves.

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9 agencies in Japan

No Featured agencies in Japan yet

Featured agencies appear here, clearly labelled as paid placement. It never changes your rating.

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All agencies in Japan

By verified findseo rating, then number of reviews. New listings without reviews follow, A–Z.

Dream Code

New listingNo reviews yet

渋谷区, Tokyo

Founded
—
Team
—
Pricing
On request

Tokyo-based digital agency. Its SEO work covers local SEO and technical SEO.

Local SEOTechnical SEO
View profile Website
hap logo

hap

New listingNo reviews yet

Tokyo, Tokyo

Founded
—
Team
—
Pricing
On request

Digital agency in Tokyo that provides technical SEO and link building. It also works on visibility in AI search tools such as ChatGPT and Google AI Overviews.

Technical SEOLink Building
View profile Website

Murasaki

New listingNo reviews yet

Shibuya, Tokyo

Founded
2026
Team
—
Pricing
On request

Shibuya, Tokyo-based web design and SEO agency established in 2026. Its SEO work covers link building and technical SEO. It also offers website design, plus work on…

Technical SEOLink Building
View profile Website
NY Marketing logo

NY Marketing

New listingNo reviews yet

Tokyo, Tokyo

Founded
—
Team
—
Pricing
On request

Digital agency in Tokyo that provides link building, on-page and content optimisation and technical SEO. It also offers Google Ads.

Technical SEOContent & On-page SEOLink BuildingGoogle Ads
View profile Website
エイチリンク logo

エイチリンク

New listingNo reviews yet

板橋区, Tokyo

Founded
2025
Team
—
Pricing
On request

Digital agency in Tokyo, operating since 2025, that provides link building and technical SEO. It also works on visibility in AI search tools such as ChatGPT and Google…

Technical SEOLink Building
View profile Website
エイト logo

エイト

New listingNo reviews yet

Tokyo, Tokyo

Founded
—
Team
—
Pricing
On request

Digital agency in Tokyo that provides link building, technical SEO and local SEO. It also offers paid search and paid social.

Local SEOTechnical SEOContent & On-page SEOLink Building+2
View profile Website
サクラサクマーケティング logo

サクラサクマーケティング

New listingNo reviews yet

Tokyo, Tokyo

Founded
2005
Team
—
Pricing
On request

SEO agency based in Tokyo, founded in 2005, offering on-page and content optimisation and technical SEO. It also offers Google Ads.

Technical SEOContent & On-page SEOGoogle Ads
View profile Website
メディアグロース logo

メディアグロース

New listingNo reviews yet

新宿区, Tokyo

Founded
—
Team
—
Pricing
On request

SEO agency based in Tokyo offering link building, technical SEO and on-page and content optimisation. It also offers Google Ads, plus work on visibility in AI search…

Local SEOTechnical SEOContent & On-page SEOLink Building+2
View profile Website
東京SEOメーカー logo

東京SEOメーカー

New listingNo reviews yet

Tokyo, Tokyo

Founded
—
Team
—
Pricing
On request

SEO agency in Tokyo that provides international SEO, on-page and content optimisation and technical SEO. It also offers Google Ads, plus work on visibility in AI search…

Local SEOTechnical SEOContent & On-page SEOLink Building+2
View profile Website

Frequently asked questions

How many Technical SEO agencies are listed in Japan?

findseo currently lists 9 agencies offering Technical SEO in Japan. Listings are built from each agency's own website and can be claimed and updated by the agency.

How are agencies ordered?

By default, Featured agencies appear first and are always labelled as paid placement. After that, agencies are ordered by their verified findseo review score, then number of reviews. Paying never changes ratings, reviews or awards.

Are Google ratings part of the findseo score?

No. findseo ratings come only from client reviews we've checked. Where available, Google ratings are shown separately with attribution and are never stored or mixed into our score.

SEO services in Japan

Top cities in Japan