JAPAN.LEAGUEINC.
OFFICIAL PARTNERSHIP

Baseball that connects Okinawa to the world.

Take your brand global through JWL — the league where MLB, NPB, and independent-league scouts all show up.
Community impact, social contribution, international reach — we're looking for partners ready to help reshape global baseball from Okinawa.

Let's talkSee the options
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BEHIND THE LEAGUE

Four sides of Japan League

JAPAN WINTER LEAGUE
A world-class independent league where MLB, NPB, and independent-league scouts come together.
JAPAN WINTER LEAGUE
An Okinawan winter where players, coaches, and scouts share the same field — and your brand stays in the picture.
DATA & TECHNOLOGY
BLAST and TRACKMAN on every at-bat and every pitch — player development at the leading edge.
PEOPLE
JWL 2025: 125 players from 16 countries, 40+ scout teams from 8 countries, and a record 82 partner companies.
OFFICIAL PARTNERS
JWL 2025 Main Sponsor (logo pending partner approval)
Platinum Sponsors
Gold Sponsors
Bronze Sponsors
Partners
Supporters
JWL 2025 Main Sponsor (logo pending partner approval)
Platinum Sponsors
Gold Sponsors
Bronze Sponsors
Partners
Supporters
PARTNERSHIP PROGRAM

What partnership
means to us

Japan League is in this for the long haul. We're committed to building lasting relationships with the companies and organizations who partner with us. Instead of the old one-way sponsorship model — buy a logo placement, support the league, that's it — we put JWL's assets to work for you: the players, the tournaments, the data, the international network. The goal is real partnership that helps move your business and your community forward. Together, we think we can reshape global baseball, starting from Okinawa.

CONTACT US

Get in touch

Pick the partnership option that fits and fill in the form below.
We'll get back to you within three business days.

Open the contact form
ACTIVATION CASES

How partners put Japan League to work

No two partnerships look the same.
We listen first, then build the program that fits.

Sports broadcasting & media
Global exposureBrand awareness

Every game streamed worldwide, reaching baseball fans across Asia, North America, and Europe.

Platinum sponsor (sports broadcasting)
Industry: Sports streaming platform
Retail & convenience stores
Community impactProduct promotion

JWL collaboration products keep the brand in shoppers' baskets — and in the local community — all year round.

Gold sponsor (Okinawa retail)
Industry: Retail / convenience stores
Measurement tech & data
Product PRData activation

BLAST and TRACKMAN on every at-bat and every pitch — putting sponsors at the cutting edge of baseball.

Measurement technology partner
Industry: Sports technology
Tourism & hospitality
Inbound tourismLocal economy

More than 100 players and staff stay through the off-season, driving real inbound demand for hotels and venues.

Platinum sponsor (Okinawa hotel)
Industry: Tourism / hospitality
RECENT NEWS

What's new

  • 2025-12-25REPORTJWL 2025 wraps with 125 players from 16 countries and 40+ scout teams from 8 countries
  • 2025-12-11REPORTA record 82 partner companies backed JWL 2025
  • 2025-11-22PROGRAMLevel-Up Program runs 11 sessions, with guests including the Yomiuri Giants' nutritionist and JSMC
  • 2025-10-28REPORTJWL 2024 generated ¥583M in regional economic impact (Ryugin Research / Okinawa Times)
  • 2025-10-22PROGRAMStrategic partnership with PLM — accelerator program launches
  • 2025-04-08MEDIAJWL 2024 alum Tomoya Kinjo signs a minor-league deal with the Toronto Blue Jays
See all updates
DOCUMENT DOWNLOAD
Get the Official
Partnership deck

A free deck with the Official Partnership overview, pricing, and case studies. Just fill in the form below and we'll send it over.

OFFICIAL COMPANIES

The companies behind JWL

A record 82 partner companies joined us for the 2025 season, and the league keeps growing with them.

JWL 2025 SEASON
82
companies
stand behind Japan League

Our partners span every industry, and the list grows each season.

2023— cos.
202470 cos.
202582 cos.+17%
OUR STRENGTH

JWL by the numbers

An independent league where MLB and NPB scouts come out in force, with a platform that spans international players and Japanese high-schoolers alike.

16countries
Countries represented at JWL 2025
125players
Players at JWL 2025
40+teams
Scout teams attending, from 8 countries
82companies
Partner companies in JWL 2025 (a record)

In the media

Covered by major national networks and streaming platforms.

2025
TV Tokyo
The 0.1% Challenge — Still Dreaming of Pro Baseball
2025
TV Tokyo
Another Koshien — Final Summer, A Dream Continues (JSL special)
2025
TV Tokyo
Cambria Palace: The Door to Ideas
2026
BS Fuji
CROSSOVER — Sport That Moves the Heart
2025
DAZN
THE ANNOUNCER — Sports Announcer Auditions
2025
NHK Okinawa
NHK News (Okinawa region)
2025
TNC Television Nishinippon
Momo Sport
2025
TNC Television Nishinippon
Fukuoka News File CUBE
2025
RBC Ryukyu Broadcasting
JSL Special (rebroadcast)
HOW IT WORKS

From first call to first game

A simple, step-by-step process — built around what you're trying to achieve.

STEP 01

Reach out

Drop us a note through the form below. Someone from the team will reply within three business days.

STEP 02

Discovery and proposal

We get to know your goals and challenges, then put together the partnership that fits.

STEP 03

Sign and launch

Once the agreement is in place, we kick off the program together — with support through the season and beyond.

JSL SUPPORT

Supporting JSL — crowdfunding coming soon

JSL support is being set up as a separate channel from corporate sponsorship, and it'll launch as a crowdfunding campaign. Once it's live, you'll find a direct link on the JSL page.

COMING SOON

Until applications open, check out the JSL tournament info. As soon as the crowdfunding URL goes live, we'll add a link next to the application path on the JSL homepage.

Visit the JSL pageCrowdfunding · coming soon
CONTACT

Let's talk about a JWL partnership

Drop us a line through the form below — we'll be in touch within three business days.
JSL support runs on a separate track and we'll announce it as soon as the crowdfunding campaign goes live.

CLOSING

Let's bring baseball to life — together.

Request the deckGet in touch