Eigo.co.jp
English infrastructure for Japanese speakers

Move from “studying English” to operating in English.

Eigo.co.jp is a deep, structured platform for Japanese speakers who want English that works in real life—meetings, negotiation, and decisions.

発音・リズム 語順・文章エンジン 会議・交渉・プレゼン AI時代の英語 ツール & チェックリスト
If unsure: FoundationsListeningSpeakingBusiness

Fluency ≠ no mistakes. Fluency is fast recovery (repair, confirm, reframe).
New: Games

Games that turn English into reflex

We built /games/ to reduce friction. The loop is: listen → decide → speak.

Mobile-first. You may need to tap 🔊 once to enable audio on iOS.

Who this is for

Who this helps

Engineers

Explain specs and decisions clearly—avoid misunderstandings.

→ Engineer Path

Executives

Conclusion → reason → next steps.

→ Business Executive

Founders

Pitch, negotiate, hire—English becomes speed.

→ Investor Pitch

Built by Bradley Bartz — designed from a builder’s perspective: English that works under pressure.

What this is

An “English Operating System”

Not fragments. A system: structure, procedures, and recovery language.

  • Say it short (conclusion first)
  • Kill misunderstandings (confirm + rephrase)
  • Lock decisions (recap + next)
  • Set boundaries (hold / conditions)

Essay: English is Structure

Start here

The shortest path

1) Foundations: fix the engine first.

2) Listening: reductions, linking, stress, numbers.

3) Speaking: drills + confidence + recovery.

4) Business: clarity that moves decisions.

Not sure? Start with the 3-minute diagnostic.

Choose your mission

Enter by purpose

Work / Meetings

Conclusion → reason → next action.

→ Business

Fast Listening

Reductions, linking, accents, numbers.

→ Fast English

Shy → Speaking

Short structures that force output.

→ Shy Beginner

In the AI era, English is a portable advantage, not a credential.
The map

Your map

Engine

Sounds, rhythm, word order, sentence engine.

→ Foundations

Ear Training

Speed, reductions, accents, meetings, interviews.

→ Listening

Output

Confidence + drills + recovery.

→ Speaking

Decision English

Email tone, meetings, negotiation, contracts.

→ Business

Daily Practice

Diagnostics, templates, trackers.

→ Tools

Leverage

AI-era English and thinking frameworks.

→ AI Era · Thinking

See everything in the Sitemap. If unsure, start with Foundations or the 3-minute diagnostic.

Contact

Contact

For partnerships, enterprise training, tooling, and licensing: