CSB
CSB
CSB is a company registered under SIREN number 414289975, with its registered office in GENTILLY. Its main activity falls under the sector: Architectural and engineering activities; technical testing and analysis. It has 4 establishments. 1 serving director is recorded in the national business register. Its reported revenue for the financial year ended in 2025 is 624,926 euros.
Sources: INSEE Sirene, INPI RNE, INPI, annual accounts.
Identity
- Legal form
- SARL (no further detail)
- Activity
- Engineering, technical studies (71.12B)
- Sector
- Architectural and engineering activities; technical testing and analysis
- Headcount
- 3 to 5 employees
- Created
- 1 Oct 1997
- Share capital
- 13,000.00 EUR
- Registered with the trade register
- 23 Mar 2004
- Financial year end
- 31/08
- Establishments
- 4
Directors
- Information not disclosable Gerant
Court decisions
Decisions published by the French Court of Cassation (Judilibre) that cite this company by its SIREN number. Individuals are pseudonymised.
- Order, Tribunal judiciaire de Versailles 30 Jan 2026 · no. 25/00675
Other companies at the same address
13 other company head offices are registered at this address.
Establishments
-
41428997500040 94220 CHARENTON-LE-PONT
-
41428997500016 77120 MAUPERTHUIS
-
41428997500024 75013 PARIS
Financial strength
Financial score
59 / 100 C
Confidence: high · computed on the financial year ended 31 Aug 2025
- Equity to assets (52.6 %)
- 19.1 out of 30
- EBITDA margin (15.4 %)
- 17.7 out of 25
- Liquidity (242.7 %)
- 10.6 out of 20
- Debt (18.3 %)
- 11.7 out of 15
- Revenue trend (-34.5 %)
- 0.0 out of 10
formula fin-1.0
Legal score
100 / 100 A
Confidence: high
- No insolvency proceedings
- 40.0 out of 40
- Currently trading
- 20.0 out of 20
- Age (29.1 years)
- 20.0 out of 20
- Accounts filed recently
- 20.0 out of 20
formula leg-1.0
These scores are computed by us from public data, using a published formula. They are not advice, not a guarantee, not a credit decision, and they do not replace a review of the accounts. See how it is calculated
Revenue and earnings
Detailed accounts for this company are not reproduced here, but its main aggregates are public.
Revenue Net income
| Financial year | Revenue | Change | EBITDA | Net income |
|---|---|---|---|---|
| 31 Aug 2025 | 624,926 € | -34.5 % | 96,208 € | 78,722 € |
| 31 Aug 2024 | 954,347 € | -21.4 % | 220,632 € | 147,186 € |
| 31 Aug 2023 | 1,213,949 € | +21.6 % | 410,685 € | 315,832 € |
| 31 Aug 2022 | 998,580 € | +29.5 % | 205,421 € | 156,116 € |
| 31 Aug 2021 | 771,021 € | +6.4 % | 55,839 € | 40,754 € |
| 31 Aug 2020 | 724,936 € | -5.4 % | 639 € | -911 € |
| 31 Aug 2019 | 766,121 € | -5.0 % | 3,073 € | 1,118 € |
| 31 Aug 2018 | 806,650 € | +2.2 % | -10,755 € | 548 € |
| 31 Aug 2017 | 789,637 € | first year on record | 14,162 € | 673 € |
Aggregates published by the French Directorate General for Enterprise, computed from accounts filed with the commercial court.
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Collective agreements
Agreements declared by the employer in its payroll filings.
-
Convention collective nationale des bureaux d'études techniques, des cabinets d'ingénieurs-conseils et des sociétés de conseils du 15 décembre 1987.
IDCC 1486 · in force, extended · 1 establishment · declared in July 2026
Legal notices
-
Amendment 28 Jun 2026
- Court :
- Greffe du Tribunal de Commerce de Créteil
- Amendment :
- Modification survenue sur l'administration.
BODACC B n 20260121, annonce n 3050 · Proof of publication (PDF)
-
Filing of accounts 26 Sep 2025
- Court :
- Greffe du Tribunal de Commerce de créteil
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/08/2025
BODACC C n 20250185, annonce n 6162 · Proof of publication (PDF)
-
Filing of accounts 27 Oct 2024
- Court :
- Greffe du Tribunal de Commerce de créteil
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/08/2024
BODACC C n 20240209, annonce n 6183 · Proof of publication (PDF)
-
Filing of accounts 3 Nov 2023
- Court :
- Greffe du Tribunal de Commerce de créteil
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/08/2023
BODACC C n 20230212, annonce n 16240 · Proof of publication (PDF)
-
Filing of accounts 8 Dec 2022
- Court :
- Greffe du Tribunal de Commerce de créteil
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/08/2022
BODACC C n 20220238, annonce n 9639 · Proof of publication (PDF)
-
Filing of accounts 18 Nov 2021
- Court :
- GREFFE DU TRIBUNAL DE COMMERCE DE CRÉTEIL
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/08/2021
BODACC C n 20210224, annonce n 13169 · Proof of publication (PDF)
-
Filing of accounts 8 Dec 2020
- Court :
- GREFFE DU TRIBUNAL DE COMMERCE DE CRÉTEIL
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/08/2020
BODACC C n 20200238, annonce n 4324 · Proof of publication (PDF)
-
Filing of accounts 10 Dec 2019
- Court :
- GREFFE DU TRIBUNAL DE COMMERCE DE CRÉTEIL
- Type of filing :
- Comptes annuels et rapports
- Closing date :
- 31/08/2019
BODACC C n 20190237, annonce n 6040 · Proof of publication (PDF)
Change history
- officer_appointed (empty) → Gerant 9 Oct 2026
- registered_address (empty) → 119 Avenue Paul Vaillant 94250 Gentilly 1 Oct 2026
Frequently asked questions about CSB
- What is the SIREN number of CSB?
- The SIREN number of CSB is 414289975. Its intra-community VAT number is FR13414289975.
- Where is the head office of CSB?
- Head office address: 119 AVENUE PAUL VAILLANT-COUTURIER, 94250 GENTILLY.
- When was CSB founded?
- CSB was founded on 1 Oct 1997.
- What does CSB do?
- Its declared main activity is: Engineering, technical studies (NAF code 71.12B).
- What is the revenue of CSB?
- The latest published revenue is 624,926 €, for the 2025 financial year.
- How many employees does CSB have?
- The declared headcount is 3 to 5 employees. Insee data for 2024.
- Is CSB subject to insolvency proceedings?
- No ongoing insolvency proceedings are published in the BODACC for this company.