S.League / Sponsorship

Help us grow S.League.

No gambling, no alcohol, no smoking. It's a healthy mahjong tournament we've run in Shimbashi, Tokyo since 2022, and we're looking for companies and shops to back it with us.

In-kind sponsorship from ¥5,000 Title sponsor: one per event
24Events held
367Cumulative participants
126Registered players
4Years running
Why S.League

Small in scale, but you're in the room all day.

Our strength is density rather than scale. Each event puts 16〜20 players in one room, from half a day (about 6 hours) to a full day (about 10 hours). Your name isn't an ad they scroll past. It reads as a company backing something they turn up for.

Face-to-face reach

Every event runs with 16〜20 players in the room, from half a day (about 6 hours) to a full day (about 10 hours). Your signage, prizes and samples sit in front of them the whole time.

Public all-time rankings

We publish the all-time records of 126 players on our official site. Players come back to it to check where they sit. Your logo can sit there too.

Professional event photos

I shoot the events myself: portrait photography is the other half of my work. You're welcome to use the photos with your logo in them for your own marketing.

Post-event report

After each event we send through a report: how many turned up, the age mix, where your name appeared and the photos. You can see exactly what the sponsorship did.

Sponsorship plans

There are three ways to sponsor.

You can try a single event, or back a full year. The buttons below switch how the prices are shown.

In-kind sponsor

¥5,000+ worth of goods

A good size for a first sponsorship

  • Provide prizes or product samples
  • Name announced at the awards ceremony
  • Credit in the event report
  • Photo feature in our results post on X

Event partner

¥30,000 / event

Happy to combine this with in-kind sponsorship

  • Logo and link on the event page
  • Logo panel and flyers at the venue
  • Mentions in two posts on X
  • Event photos featuring your logo
  • Sampling and flyers to all participants
Benefit comparison (○ = included, × = not included)
BenefitIn-kindEvent partnerTitle sponsor
Name announced at the awards ceremony
Post-event report
Logo and link on the event page×
Logo signage and flyers at the venue×
Sampling and flyers to all participants×
Your name in the event title (one per event)××
Announcements and a greeting slot××
Permanent logo on the all-time rankings page××
Reuse licence for photos and reports××

All prices include tax. Annual plans are billed up front for a season of six events, at 17% off the per-event rate.
The ¥48,000 first-time rate applies to companies sponsoring S.League for the first time.
Reuse licence = permission to use event photos and reports featuring your logo in your own website, social media, in-store, and print marketing. Terms and duration are provided on application.
We may decline sponsorships that conflict with the healthy-mahjong ethos, such as gambling-related products or products unsuitable for under-20s.

How it works

From enquiry to your first event.

1

Enquiry

Send us a message with 'sponsorship' in it. That's all we need to send our media kit back.

2

Consultation

We can meet online or near Shimbashi, and settle on the plan and where your name goes.

3

Application

We sign a short agreement, then send the invoice. Once payment lands, we start getting things ready.

4

Event day

Your name goes up on the site and into the announcements. On the day it's on the venue signage, and we say it out loud.

5

Report

We send through the exposure results and the photos. Decide about the next one once you've seen them.

S.League Sponsorship

Have a chat with us before you decide.

Not sure which plan fits? That's fine. Tell us your budget and what you're after, and we'll come back with a suggestion.

Ask about sponsorship → See details →
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