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Change Childcare in Japan
to be the HAPPY
in the world!

Japan's largest blog site for moms
Sharing information that allows young working moms,
who use Instagram as an information source,
to enjoy their childcare, work, and housework even more freely.


​3 features


Production team centered on moms

We released videos made from the opinions of moms. From introductions to time-saving makeup techniques for busy moms, and tips and ideas useful for raising children.

Sharing real life experiences 

Achieve in-depth communication and gain access to content with moms, such as holding online meetings once a week. 


Different package plans
to solve different  problems

By expanding support with special sponsorship plans, other services, and menus linked with our own creators, we have realized not only increased recognition but also actions and recommendations, which are posted according to each customers needs.
We also have a "mamatas labo" that share the opinions of moms and an online shop "mamatas STORE".

Strengths of mamatas​

Number of Instagram followers mom's media
No. 1 in Japan

Number of brands handled

Those who see at least once a week


​The total number of followers

is over 1.1 million.

Reach out to millennial moms and their families at once!


Daily necessities, food, home appliances, education,
baby products, various services, etc.
We provides support many companies. 

95 %

mamatas users are urban working moms who actively collect information on Instagram.
60% of moms watch everyday. 

User Profile

The main target is young moms who are busy with housework, childcare, and work.


Age: Instagram Audience Insight As of July 30, 2009 Occupation / Household Annual Income: mamatas Questionnaire for present applicants conducted from March 2021 to July 2021

By using videos, 
300% increase in sales of individual products

The product is introduced in the video along with the actual experiences of moms. Users who understand the actual benefits purchase it, and sales improve. This contributes to improving sales of the entire EC site.
(Gardner Co., Ltd.)

Real life opinions in videos,
Record high engagement

Introduced with mom's real opinions. 
We also have a feature to save and encourage comments.
Record high performance in both engagement and number of views.
(Kärcher Japan Co., Ltd.)

Multiple usages of videos and live broadcasting

Maximize advertising by reusing videos on mamatas and company media sites. 
(Shopping live service "Coleyo")

Case Study




Q. What kind of menu does the advertisement have?

A. In addition to introducing the products and services of companies in a format similar to organic content called native ads, it is possible to develop according to issues such as influencer measures, LIVE distribution, monitor surveys and sampling.

Q. Who is the target audience?

A. The main audience are young moms who are busy with housework, childcare,and work. Also moms and dads who are looking for information on caring for their children and  infants. It is also possible to develop advertisements focusing on specific ages, areas, interests, etc.

Q. What kind of products are best match  for advertising on mamatas?

A. We have a track record in various genres such as daily necessities, food, home appliances, baby products, education, various services. There are a wide variety of genres, including those for moms and children.

Q. How long does the implementation of the advertisement take?

A. It takes about 2 months to implement native ad videos, but there are menus that can be implemented in a short period of less than 1 month.

Use Lemon Square to make parenting moms and dads your fans!

Lemon Square is an influencer marketing
service provided by the companybehind mamatas,
Instagram's No.1 account for moms!

Lemon Squareロゴ.png
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