Increase your brand’s coverage with Yahoo Japan

Yahoo Japan has  a large share of search queries in Japan. Failing to use Yahoo Japan therefore means that you could be missing out on at least one-third of the market's opportunities. Sponsored search is Yahoo Japan's paid search advertising platform specifically designed for the Japanese audience, allowing you to target by location, time and date, and giving you insights into Japanese consumer habits. We will set up a PPC account for you on Yahoo Japan, enabling you to run your paid search campaigns and access valuable data to help strengthen your presence in the region.

Opening a Yahoo Japan sponsored search account can help...

When you’re considering expanding your business into Japan.

When you want to improve your online advertising campaign in Japan.

When you want to gain insight into Japanese consumer habits.

When you want to increase coverage quickly and easily.

When you want to target different demographic groups more effectively.

What our clients say

Flexible and innovative approaches to meet demanding goals

Webcertain has been a valued partner of Portakabin for over 20 years, providing the expertise required to help us grow our business in multiple European markets. With a wide-portfolio of websites and products, as well numerous internal stakeholders, we require flexible and innovative approaches to enable us to meet the demanding goals of each business unit. Webcertain understands our needs and our brand, and this enables the team to deliver cost-effective, adaptable solutions across SEO, PPC and website development which have played a vital role in our international growth and success.

Evelyn Hodgson

Head of Brand - Portakabin

Adapted for each market for maximum impact

We work with Webcertain to increase our brand awareness across key European markets and help us drive brand growth. Together, we have created campaigns utilising multiple channels and adapted for each target market to ensure maximum impact and relevancy to our audience. Webcertain has a great support team, who are easy to reach and very helpful in providing information. They understand our needs and provide a flexible approach that enables us to meet our goals

Hazel Goesaert

European Associate Marketing Manager - Business Machines - Fellowes

Technical and strategic expertise

Webcertain's understanding of language nuance and local culture ensures our messaging is relevant and compelling in each market we target, while staying true to our brand and highlighting our USPs. We rely on their technical and strategic expertise to develop both organic and paid search campaigns which will resonate with our audience and drive results across Europe. The team understands our goals and is proactive in making recommendations for improvements and suggesting opportunities. We are very happy with the results and would recommend Webcertain as an ideal partner for any brand with a global reach.

Surpreet Bahl

Digital Marketing Manager - Esko

For international support, look no further than Webcertain

There are many challenges when running international campaigns and Webcertain has provided invaluable support to us when targeting countries as diverse as China, Japan and Russia, where both cultural and linguistic knowledge are paramount for success. This knowledge, combined with skills and expertise across all digital channels, enabled us to build tailored and targeted campaigns to inform and attract students from around the globe. If you're looking for SEO, SEM or translation support in multiple languages and countries, look no further than Webcertain.

Tim Jordan

VP Marketing Berlitz and ELS

Why is Yahoo Japan important?

Yahoo Japan is the most popular search engine in Japan, with over 60% of the market share. Running PPC campaigns on Yahoo Japan should therefore be an integral part of your Japanese online marketing strategy.

PPC can be an effective way to quickly get your products and services visible to Japanese internet users, as well as test different campaigns and messages and determine which keywords are most effective for you in your market.

One of our PPC Specialists will open a Yahoo Japan account for you, ensuring all of the required information is included. This will enable you to launch a PPC advertising campaign on Yahoo Japan. 

Please be aware that key details such as the currency and time zone cannot be changed once we have set up your account so please ensure that you provide accurate details. We will provide you with the login details once your account is opened.


Required document will vary according to the company location:

Overseas Company

>Passport is required

・Must be valid when submitting.

・Name of the user (as registered on Yahoo! Business manager), current address, the expiration date must be clearly shown.

・If the current address is listed on a separate page, a separate image is needed.・If the passport does not include the address, prepare an official identification document that includes the user's name and current address.

Domestic Company

>Two documents are required. Select one from each type below:

Certificate of business/company registered matters (Certificate of all present matters, Certificate of partial present matters, or Certificate of all historical matters)

・Trade name (company name), current address, and issue date are clearly shown.

・The document must be issued within the past three months.


one of the following documents (the document must include the address).

A receipt or related documents of electric/city gas/water/fixed phone

・Receipt, payment certificate, bill, information slip for electricity, city gas, water, fixed (landline) telephone.

・The document must be issued within the past three months

Receipt of certificate of national/local tax payment

・The document must be issued within one year
Blue-form Return Approval Application (copy)

・The document must have a stamp by the tax office

・Issued within one year

・When submitted online, the acceptance by the tax office and its date must be confirmed.

Receipt/notice of payment (payment statement) for social insurance premium

・Issued within one year

How it works

One of our PPC Specialists will open your Yahoo Japan account, based on the company information you have provided in the brief, and provide you with the relevant login details.

We will ensure that:

  • The correct settings are applied such as time zone, currency and payment settings.
  • You are aware how to top up funds in your account if required.
  • Your keywords and ads are imported.

Once the account has been set up, we will provide you with the relevant login details.

Webcertain Group is passionate about generating business growth for its clients in any part of the world.

A team of native speakers of all the world’s major languages works together to achieve client objectives - no one understands working with different cultures and the nuances of language in the globe’s search engines better than the Webcertain multilingual teams. Webcertain operates in 44 languages.

Benefits of working with Webcertain:

International specialist since 1997

Transparency and online portal management

No minimum contract period

No minimum order value

International know-how shared

Quick response times