合同会社せい — Japan company profile & risk records
合同会社せい
SEI (romanized)
☆ Monitor 合同会社せい
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Company profile & financials
| Reading (kana) | セイ |
| Entity type | 合同会社 |
| Registered address (HQ) | 東京都中央区新川１丁目３０番７号茅場町スカイハイツ９１２号室 |
Official records & company history
Official public records timeline (1 records)
2026
Related companies, competitors & tenders
Comparison with nearby peers (東京都中央区新川, with public-sector track record)
Top peers by record count. Revenue and average salary from securities reports (listed companies only).
| Company | Total records | Contracts | Subsidies | Revenue | Avg salary |
|---|---|---|---|---|---|
| 合同会社せい(this company) | 0 | 0 | 0 | — | — |
| 日本石油販売株式会社 | 449 | 441 | 1 | — | — |
| 日本オーチス・エレベータ株式会社 | 128 | 100 | 0 | — | — |
| オムロンフィールドエンジニアリング株式会社 | 66 | 50 | 0 | — | — |
| 株式会社内田洋行 | 56 | 30 | 0 | 3,371億円 | 778万円 |
| 大豊建設株式会社 | 38 | 0 | 0 | 1,434億円 | 765万円 |
Records on this page are compiled from Japan's official public information (Corporate Number registry and disclosures by ministries and local governments). Data sources. Data last updated 2026-08-12 (JST). Published by Tenra AI, operated by 株式会社開成 (operator info · corrections / removal).