Top 9 Mobile Optimization SEO Companies in Tokyo
The Best of December 2025Looking for a top mobile optimization SEO agency in Tokyo?
Mobile optimization refers to making your web pages accessible via different screen sizes, such as mobile phones and tables, and ensuring your content loads quickly across devices. Why is mobile optimization important? Well, people spend more time on mobile devices, so you want them to be able to access your content from their phones or tablets. Google also moved to mobile-first indexing in 2016. This means mobile accessibility now factors into rankings.
An SEO company that specializes in mobile optimization will look at your page speed, CSS, JavaScript, images, site design, and schema markup to see if it follows mobile best practices.
To assist you in your search for a partner, we’ve compiled this list of the top mobile optimization SEO companies in Tokyo. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Tokyo Mobile Optimization SEO Agencies
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1$5,000+10 - 49 employeesShibuya City, JapanRead More
ShapeWin Co., Ltd is a PR agency headquartered in Shibuya City, Japan. The small agency was founded in 2011. Their services include public relations, advertising, branding, digital strategy, and more.
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2$5,000+10 - 49 employeesMinato City, JapanRead More
AJ Marketing is a small social media marketing agency. Founded in 2019, the firm is located in Singapore, Singapore; Minato City, Japan; Bangkok, Thailand and Ho Chi Minh City, Vietnam. Their team specializes in social media marketing, advertising, content marketing, mobile & app marketing, and more.
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Microsoft, Adobe, AMD, Mandiri, Genshin Impact, Flare, Bundesliga, MINI, TIkTok, PhilipsIndustries
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3$5,000+50 - 249 employeesChiyoda City, JapanRead More
Principle Co, Ltd is a data analytics consulting firm based in Chiyoda-ku, Japan, with an office in Chuo-ku, Japan. The firm, founded in 2011, has a team of less than ten that provides BI & big data consulting & SI, digital strategy, PPC, SEO, and social media marketing services. Principle Co, Ltd serves enterprise and smaller-sized companies in various industries that include advertising & marketing, automotive, and business services.
Clients
SamsungIndustries
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4$1,000+2 - 9 employeesUrayasu, JapanRead More
KOCHI is a digital marketing firm based in Urayasu, Japan with more than two members. Founded in 2020, they are experts in conversion optimization, digital strategy, and SEO solutions for clients ranging from small businesses to large companies.
Clients
CorizeIndustries
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5$10,000+50 - 249 employeesShibuya, JapanLaunched in 2004, Studio Five is a web design company. They are based in Sendai City, Japan; Shibuya, Japan and Seattle, Washington and have a midsize team. Their services include Web Design, UX/UI Design, and Search Engine Optimization.Read More
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2nd WatchIndustries
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6$5,000+10 - 49 employeesChiyoda City, JapanMercury Technology Solutions, a SEO agency, is headquartered in Hong Kong, Hong Kong and Chiyoda City, Japan. Launched in 2017, the small team offers Search Engine Optimization and CRM consulting and SI.Read More
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7$5,000+2 - 9 employeesChuo City, JapanBloomstreet, Inc is a SEO agency. Launched in 2014, the company provides Search Engine Optimization and Digital Strategy.Read More
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8$1,000+2 - 9 employeesTokyo, JapanWMI Media is a branding agency. They are based in Leipzig, Germany and Tokyo, Japan and have small team. They offer Branding and Search Engine Optimization.Read More
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9$1,000+2 - 9 employees渋谷区, JapanKrows Digital is a PPC company. Their small team of employees is headquartered in 渋谷区, Japan. Their team provides Pay Per Click and Social Media Marketing.Read More
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