LESSON NOTES · レッスンノート

N3How you sound · Sep 28, 2026

What does "black company" mean in Japanese? ブラック企業きぎょう explained

ブラック企業きぎょう (burakku kigyou), literally "black company," is Japanese business slang for a company that exploits its employees — illegal or unpaid overtime, harassment, no real days off, a culture that grinds people down. It has nothing to do with race or ethnicity; "black" here just means "shady" or "corrupt," the same metaphor as a "black market." ホワイト企業きぎょう ("white company") is the opposite: a fair, well-run employer.

English learners sometimes assume ブラック企業きぎょう must be about race because "black" is doing heavy lifting in English slang too — but in Japanese, black/white as a corruption metaphor is completely unrelated to that English association.

The basics

ブラック企業きぎょう: an exploitative employer

ブラック企業きぎょう (ぶらっくきぎょう) describes a company known for grinding down employees — illegal overtime, harassment (パワハラ, power harassment), unrealistic quotas, and a culture where quitting is treated as betrayal. It became a household term in the 2000s–2010s as labor abuses at specific companies made headlines.

その会社かいしゃはブラック企業きぎょうとして有名ゆうめいだ。 — That company is famous/known as a black company. (a company with a bad reputation for exploiting staff) ブラック企業きぎょうで働はたらいて体からだを壊こわした。 — I worked at a black company and ruined my health. (personal experience of the damage)

The word describes the company's culture and practices, not any one bad boss — a ブラック企業きぎょう is systemically exploitative, not just unlucky in one department.

ホワイト企業きぎょう: the fair, well-run opposite

ホワイト企業きぎょう (ほわいときぎょう) is the mirror image — a company known for reasonable hours, real overtime pay, and a healthy culture. It's used as praise, often in job-hunting conversations.

あの会社かいしゃはホワイト企業きぎょうだから人気にんきだ。 — That company is popular because it's a "white company." (good reputation as an employer) 就活しゅうかつ生せいはホワイト企業きぎょうを探さがしている。 — Job-hunting students are looking for "white companies." (a search criterion, not just a description)

Neither ブラック企業きぎょう nor ホワイト企業きぎょう is an official legal category — they're informal-but-widely-understood labels people use in casual conversation, job forums, and news coverage alike.

グレー企業きぎょう: the ambiguous middle ground

グレー企業きぎょう (ぐれーきぎょう) sits between the two — technically legal, not a horror story, but with enough red flags (borderline overtime, high turnover, vague job descriptions) that it's not confidently "white" either.

その会社かいしゃはグレー企業きぎょうかもしれないから、口コミくちこみをよく見みて。 — That company might be a "gray company," so check the reviews carefully. (a caution, not a verdict)

グレー企業きぎょう is the word people reach for when they're suspicious but don't have enough evidence to call it ブラック企業きぎょう outright.

Beyond the basics

社畜しゃちく: the "company livestock" self-deprecation

社畜しゃちく (しゃちく, literally "company livestock," from 会社かいしゃ + 家畜かちく) is dark self-deprecating slang for someone who works themselves to the bone for a company that doesn't deserve that loyalty — often used ironically about oneself rather than as an insult aimed at others.

もう21時じか…社畜しゃちくだな。 — 9pm already... I'm such a corporate slave. (self-deprecating, about overwork)

社畜しゃちく isn't necessarily about a ブラック企業きぎょう specifically — it can describe anyone who's internalized overwork as normal, even at a company that isn't formally exploitative.

過労死かろうし and サービス残業ざんぎょう: the vocabulary behind the slang

Two more formal, serious terms sit behind the slang: 過労死かろうし (かろうし, "death from overwork," a recognized legal and medical category in Japan) and サービス残業ざんぎょう (さーびすざんぎょう, "service overtime," unpaid overtime that's technically illegal but common enough to have its own name). ブラック企業きぎょう is the informal label; these are the concrete harms it points to. For the broader vocabulary of hours and overtime, see zangyou and work vocabulary.

サービス残業ざんぎょうが当たり前あたりまえになっている会社かいしゃは危あぶない。 — A company where unpaid overtime is treated as normal is a red flag. (a concrete symptom of a ブラック企業きぎょう)

Why this comes up constantly in job-hunting conversations

If you're talking about your job in Japanese or prepping for interview phrases, ブラック企業きぎょう/ホワイト企業きぎょう will come up naturally — Japanese job forums, review sites, and casual conversations with coworkers use this pair constantly to size up an employer before anyone signs anything. Knowing the term lets you follow — and ask — exactly the question everyone else is asking.

転職てんしょくする前まえに、ブラック企業きぎょうじゃないか確認かくにんしたい。 — Before I change jobs, I want to check it's not a "black company." (the exact kind of due-diligence question locals ask)

Common mistakes

  • Assuming ブラック企業きぎょう is about race. It isn't — the black/white metaphor here tracks "shady/corrupt" vs. "clean/legitimate," the same pattern as 黒くろい噂うわさ ("a shady rumor") or 闇やみ businesses; it has no connection to the English racial sense of "black."
  • Using ブラック企業きぎょう for one bad manager. The term describes company-wide culture and policy, not an isolated jerk in one department — a single bad boss at an otherwise decent company isn't what ブラック企業きぎょう means.
  • Treating グレー企業きぎょう as a synonym for ブラック企業きぎょう. グレー企業きぎょう signals suspicion and caution; ブラック企業きぎょう is a confident, often reputation-backed accusation.
  • Assuming 社畜しゃちく always implies a ブラック企業きぎょう. 社畜しゃちく is about a person's overwork mindset and can apply even at a normal company — the two words describe different things (a company's practices vs. a person's self-sacrifice).

Which word should you use?

Word Reading What it describes Tone
ブラック企業きぎょう ぶらっくきぎょう An exploitative employer Strongly negative
ホワイト企業きぎょう ほわいときぎょう A fair, well-run employer Positive
グレー企業きぎょう ぐれーきぎょう Ambiguous, some red flags Cautionary
社畜しゃちく しゃちく An overworked employee (self-deprecating) Dark humor / negative
サービス残業ざんぎょう さーびすざんぎょう Unpaid overtime Negative (a symptom)

FAQ

Is ブラック企業きぎょう an official legal term? No — it's informal slang, though widely understood enough that news outlets and government labor reports reference the phenomenon it describes.

Can a big, famous company still be ブラック企業きぎょう? Yes — company size and fame don't protect against the label; several well-known Japanese companies have been publicly called ブラック企業きぎょう after labor abuse scandals.

Is 社畜しゃちく ever used as a direct insult to someone else? It can be, but it's more commonly self-deprecating — people call themselves 社畜しゃちく far more often than they call a coworker that to their face.

What's the opposite of サービス残業ざんぎょう? There isn't a single opposite word — the "normal" case is just 残業代ざんぎょうだいが出でる (overtime pay is paid), which is simply how overtime is supposed to work, not a special praised category like ホワイト企業きぎょう.

Why does the black/white metaphor exist in Japanese business slang at all? It borrows the same logic as 黒くろい ("shady," as in 黒くろい金きん, "dirty money") versus 白しろい ("clean," as in 白しろだ, "he's clean/innocent") — a pattern used across Japanese for legitimate vs. illegitimate, unrelated to race.

How would you casually warn a friend about a company? そこ、ブラック企業きぎょうらしいよ ("I heard that place is a black company") is exactly how this comes up in real conversation — casual, hedged with らしい ("apparently"), not an accusation you'd state as flat fact without evidence.

Practice

1. "That company is famous/known as a black company."

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その会社かいしゃはブラック企業きぎょうとして有名ゆうめいだ。 — ブラック企業きぎょう describes the company's reputation, not one bad manager.

2. "That company is popular because it's a white company."

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あの会社かいしゃはホワイト企業きぎょうだから人気にんきだ。 — ホワイト企業きぎょう is used as praise in job-hunting talk.

3. "That company might be a gray company, so check the reviews carefully."

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その会社かいしゃはグレー企業きぎょうかもしれないから、口コミくちこみをよく見みて。 — グレー企業きぎょう signals suspicion without a confident accusation.

4. "9pm already... I'm such a corporate slave." (self-deprecating)

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もう21時じか…社畜しゃちくだな。 — 社畜しゃちく is usually said about yourself, half-joking.

5. "A company where unpaid overtime is treated as normal is a red flag."

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サービス残業ざんぎょうが当たり前あたりまえになっている会社かいしゃは危あぶない。 — サービス残業ざんぎょう names a specific, concrete symptom of a ブラック企業きぎょう.

6. Fix this: あの上司じょうしは最悪さいあくだから、あの会社かいしゃはブラック企業きぎょうだ。 (one bad boss shouldn't be enough to call the whole company this)

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あの上司じょうしは最悪さいあくだけど、会社全体かいしゃぜんたいがブラック企業きぎょうとは言いえない。 — ブラック企業きぎょう describes systemic, company-wide practices, not a single bad boss.

7. "Before I change jobs, I want to check it's not a black company."

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転職てんしょくする前まえに、ブラック企業きぎょうじゃないか確認かくにんしたい。 — this is the standard due-diligence phrase job-hunters use.

8. "I heard that place is a black company." (casual, hedged, told to a friend)

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そこ、ブラック企業きぎょうらしいよ。 — らしい softens it to "apparently," which is how this comes up casually rather than as a flat accusation.

Before you use ブラック企業きぎょう in a real conversation, it helps to hear how Japanese speakers frame it, so ask about it in a trial lesson and check what the word does and does not imply.

Vocabulary from this article

Tap the block to select all of it, then copy. In Anki: File → Import, note type Basic, separator Tab — the first column becomes the front, the second the back.

ブラック企業	ぶらっくきぎょう — an exploitative employer ("black company")
ホワイト企業	ほわいときぎょう — a fair, well-run employer ("white company")
グレー企業	ぐれーきぎょう — an ambiguous employer, some red flags
社畜	しゃちく — "company livestock," an overworked employee
過労死	かろうし — death from overwork
サービス残業	さーびすざんぎょう — unpaid overtime
パワハラ	パワハラ — power harassment (workplace bullying by a superior)
口コミ	くちこみ — word of mouth, reviews
転職	てんしょく — changing jobs
残業代	ざんぎょうだい — overtime pay

I'm Yuuki, a Japanese teacher based in Tokyo. I've taught on italki as a Top 1% teacher and watched over 1,500 anime, and ブラック企業きぎょう is one of the first slang terms my students ask about once they start reading Japanese job forums — it's worth knowing exactly what it does and doesn't mean before you use it.

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Sources: the author's own lessons and standard reference grammars.

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