一建設株式会社
Tokyo, Japan
Active| Registration number | T5011601000515 |
|---|---|
| Type | Corporation |
| Registered name | 一建設株式会社 |
| Address | 東京都練馬区石神井町２丁目２６番１１号 2-26-11 Shakujiimachi, Nerima-ku, Tokyo 177-0041, JAPAN |
| Corporate number | 5011601000515 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
The invoice registration date is when the qualified-invoice-issuer registration (T-number) took effect — it is not the date the company was founded, and it resets only if the business re-registers after revocation or expiry.
Corporate registry record
| Entity type | Kabushiki Kaisha (stock company) |
|---|---|
| Reading (furigana) | ハジメケンセツ |
| Reading (romaji) | Hajimekensetsu |
| English name (unofficial) | Hajime Kensetsu K.K. |
| Postal code | 177-0041 |
Source: NTA Corporate Number Publication Site, refreshed daily.
Company profile (gBizINFO)
| Business lines | K:不動産業、物品賃貸業 |
|---|---|
| Employees | 1,965 |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Government contract awards (GEPS)
No public national-government (GEPS) award records for this company in the open data (FY2013 to date).
出典：調達ポータル（https://www.p-portal.go.jp/）
Payments from national budget programmes (行政事業レビュー)
Ministry review sheets report this company as a payee of 4 programmes (4 lines, sheet years 2024–2025; total ¥9.58B).
| 2025 FY2024 | 子育てエコホーム支援事業 ¥4.44B （国土交通省） 子育て世帯・若者夫婦世帯による高い省エネ性能を有する新築住宅の取得や、住宅の省エネ改修等の実施 |
|---|---|
| 2025 FY2024 | 住宅・建築物カーボンニュートラル総合推進事業 ¥751.1M （国土交通省） 子育て世帯・若者夫婦世帯による高い省エネ性能を有する新築住宅の取得の実施 |
| 2024 FY2023 | こどもエコすまい支援事業 ¥4.06B （国土交通省） 子育て世帯・若者夫婦世帯による高い省エネ性能（ＺＥＨレベル）を有する新築住宅の取得や、住宅の省エネ改修等の実施 |
| 2024 FY2023 | こどもみらい住宅支援事業 ¥326.4M （国土交通省） 子育て世帯や若者夫婦世帯による高い省エネ性能を有する新築住宅の取得や住宅の省エネ改修等の実施 |
Contract details (excerpt): 補助事業の実施 ¥4.44B・補助金等交付 · bidders 36817 ／ 補助事業の実施 ¥751.1M・その他 · bidders 4236 ／ 補助事業の実施 ¥4.06B・補助金等交付 ／ 補助事業の実施 ¥326.4M・補助金等交付
Source: 行政事業レビュー見える化サイト (Cabinet Secretariat, PDL 1.0) — edited extract by LoreaTec. A sheet year describes the previous fiscal year’s spending. Programme database →
Verify in official sources
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How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t5011601000515) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-21.
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